Papers - HIRATA Akimasa
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個々人の血流ばらつきを考慮した複合物理解析による知覚温度上昇推定 Invited Reviewed
新井紀香，湯浅明子，上原信太郎，牛澤一樹，大高洋平，Chun-Ren Phang, 後藤俊幸，平田晃正，小寺紗千子
電子情報通信学会和文論文誌(C) 108-C ( 5 ) 2025.08
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SHARM: Segmented Head Anatomical Reference Models Invited Reviewed International coauthorship
EA Rashed, M Al-Shatouri, I Laakso, S Kodera, A Hirata
Biomedical Signal Processing and Control 104 107481 2025.06
Authorship：Last author Language：English Publishing type：Research paper (scientific journal)
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Single exposure to near-threshold 5G millimeter wave modifies restraint stress responses in rats Reviewed
A. Matsumoto, I. Endo, E. Ijima, A. Hirata, S. Kodera, M. Ichiba, M. Tokiya, T. Hikage, and H. Masuda
Environmental Health and Preventive Medicine 30 2025.06
Language：English Publishing type：Research paper (scientific journal)
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A novel transfer learning framework for non-uniform conductivity estimation with limited data in personalized brain stimulation Reviewed International coauthorship
Y. Kubota, S. Kodera, A. Hirata
Physics in Medicine and Biology 70 2025.05
Authorship：Last author Language：English Publishing type：Research paper (scientific journal)
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Statistical analysis and machine learning of TMS-induced MEPs for predicting poststroke motor impairment and performance Reviewed
C.-R. Phang, S. Uehara, S. Kodera, A. Yuasa, S. Kitamura, Y. Otaka, A. Hirata
Informatics in Medicine Unlocked 55 101643 2025.05
Authorship：Last author, Corresponding author Language：English Publishing type：Research paper (scientific journal)
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Estimating the Perception Threshold of Electrostimulation and Heating for Radiofrequency Contact Current Reviewed
S Kodera, S Kimura, S Uehara, A Yuasa, K Ushizawa, Y Otaka, A Hirata
2025.04
Authorship：Last author Language：English Publishing type：Research paper (scientific journal)
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Shared autonomy between human electroencephalography and TD3 deep reinforcement learning: A multi‐agent copilot approach Reviewed International coauthorship
C.-R. Phang, A. Hirata
Annals of the New York Academy of Sciences 1546 ( 1 ) 157 - 172 2025.04
Authorship：Last author Language：English Publishing type：Research paper (scientific journal)
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Explainable multiscale temporal convolutional neural network model for sleep stage detection based on electroencephalogram activities Reviewed
C.-R. Phang, A. Hirata
Journal of Neural Engineering 22 ( 2 ) 026010 2025.04
Authorship：Last author Language：English Publishing type：Research paper (scientific journal)
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Recent advances and future perspective in computational bioelectromagnetics for exposure assessments Reviewed International coauthorship
8. Y. Diao, W. Joseph, D. Poljak, L. Giaccone, S. Kodera, I. Laakso, K. Yamazaki, K. Li, K. Sasaki, E. Tanghe, M. Cvetković, W. El Hajj, T. Hikage, F. Kaburcuk, G. Schmid1, A. Š. Nejašmić, T. Tarnaud, V. Anderson, K. R. Foster, T. Samaras, R. A. Tell, S. Watanabe, C.-K. Chou, A. Hirata
Bioelectromagnetics 46 ( 3 ) e70003 2025.04
Authorship：Last author, Corresponding author Language：English Publishing type：Research paper (scientific journal)
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Predicting heat-related morbidity in Japan through integrated meteorological and behavioral factors
T. Matsuura, S. Kodera, and A. Hirata
Environmental Challenge 18 101106 2025.04
Authorship：Last author Language：English Publishing type：Research paper (scientific journal)
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Power absorption and temperature rise in deep learning based head models for local radiofrequency exposures Reviewed International coauthorship
S. Kodera, R. Yoshida, E. A Rashed, Y. Diao, H. Takizawa, A. Hirata
Physics in Medicine and Biology 70 ( 6 ) 065013 2025.03
Authorship：Last author Language：English Publishing type：Research paper (scientific journal)
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Gaps in Knowledge Relevant to the “ICNIRP Guidelines for Limiting Exposure to Time-Varying Electric, Magnetic and Electromagnetic Fields (100 kHz TO 300 GHz)" Reviewed International coauthorship
ICNIRP
Health Physics 128 ( 2 ) 190 - 202 2025.02
Language：English Publishing type：Research paper (scientific journal)
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Reducing Lead Requirements for Wearable ECG: Chest Lead Reconstruction with 1D-CNN and Bi-LSTM
K. Hebiguchi, Y. Togo, A. Hirata
Informatics in Medicine Unlocked 53 101624 2025.02
Authorship：Last author, Corresponding author
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Novel Inductively Coupled Wireless Power Transfer System Based on Modified Birdcage Coils for Torso Implanted Medical Devices Reviewed International coauthorship
J Lan, R Wei, X Xu, A Hirata
IEEE Transactions on Microwave Theory and Techniques 73 ( 1 ) 641 - 649 2025.01
Authorship：Last author Language：English Publishing type：Research paper (scientific journal)
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EMC and EMF Safety Aspects of Wireless Power Transfer Systems for e-Mobility Invited Reviewed
F. Maradei, S. Ahn, T. Campi, G. Covic, S. Cruciani, A. Hirata, S. Wang, M. Feliziani
IEEE Electromagnetic Compatibility Magazine 13 ( 3 ) 74 - 92 2025.01
Language：English Publishing type：Research paper (scientific journal)
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A novel multivariate time series forecasting dendritic neuron model for COVID-19 pandemic transmission tendency Reviewed International coauthorship
C. Tang, Y. Todo, S. Kodera, R. Sun, A. Shimada, A. Hirata
Neural Networks 179 106527 2024.11
Authorship：Last author Language：English
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Assessment of Whole-Body-Average SAR for exposure to electromagnetic fields up to 30 GHz using body model with scaled dielectric parameters Reviewed International coauthorship
Y. Diao, S. Kodera, K. Li, A. Hirata
IEEE Transactions on Electromagnetic Compatibility 2024.10
Authorship：Last author Language：English Publishing type：Research paper (scientific journal)
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Source localization and classification of pulmonary valve-originated ECG using volume conductor modeling with anatomical models Invited Reviewed
K Ogawa, A. Hirata
Biosensors 14 ( 10 ) 513 2024.10
Authorship：Last author, Corresponding author Language：English Publishing type：Research paper (scientific journal)
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Differential impact of SARS-CoV-2 infection during different outbreak periods on incident diabetes in Japan: a matched cohort study utilizing health insurance claims Reviewed
A Matsumoto, S Kodera, T Matsuura, Y Takayama, Y Yamada, A Hirata
Environmental Health and Preventive Medicine 29 52 2024.10
Authorship：Last author, Corresponding author Language：English Publishing type：Research paper (scientific journal)
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Validity of the 1984 interim guidelines on airborne ultrasound and gaps in the current knowledge Reviewed International coauthorship
K. Karipidis, J. Abramowicz, A. Hirata, J. Kuhne, T. G. Leighton, G. Oftedal, J. Radosz, M. Röösli, R. Croft, E. van Rongen, N. Cridland, A. Huss, G. d'Inzeo, C. Marino, and S. Watanabe
Health Physics 127 ( 2 ) 326 - 347 2024.08
Language：English Publishing type：Research paper (scientific journal)
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Electric field envelope focality in superficial brain areas with linear alignment montage in temporal interference stimulation Reviewed International coauthorship
A. Hirata, Y. Akazawa, S. Kodera, N. Otsuru, I. Laakso
Computers in Biology and Medicine 178 108697 2024.08
Authorship：Lead author, Corresponding author Language：English
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Modulation of pain perception through transcranial alternating current stimulation and its nonlinear relationship with the simulated electric field magnitude Invited Reviewed
303. H. Igarashi, N. Otsuru, J Gomez-Tames, A. Hirata, K. Nagasaka, S. Miyaguchi, N. Saukurai, K. Ohno, N. Kodama, H. Onishi
European Journal of Pain 28 ( 6 ) 1018 - 1028 2024.07
Language：English Publishing type：Research paper (scientific journal)
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Dendritic neural network: a novel extension of dendritic neuron model Reviewed International coauthorship
C. Tang, J. Ji, Y. Todo, W. Ding, A. Hirata
IEEE Transactions on Emerging Topics in Computational Intelligence 8 ( 3 ) 2228 - 2239 2024.06
Authorship：Last author Language：English Publishing type：Research paper (scientific journal)
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Projection of future heat-related morbidity in three metropolitan prefectures of Japan based on large ensemble simulations of climate change under 2° C global warming scenarios Reviewed
H. Ueta, S. Kodera, S. Sugimoto, A. Hirata
118202 2024.04
Authorship：Last author, Corresponding author Language：English Publishing type：Research paper (scientific journal)
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ICNIRP statement on short wavelength light exposure from indoor artificial sources and human health Reviewed International coauthorship
S. Miller, C. Cajochen, A. Green, J. Hanifin, A. Huss, K. Karipidis, S. Loughran, G. Oftedal, J. O’Hagan, D. H Sliney, R. Croft, E. van Rongen, N. Cridland, G. D’ Inzeo, A. Hirata, C. Marino, M. Röösli, S. Watanabe, International Commission on Non-Ionizing Radiation Protection
Health Physics 126 ( 4 ) 241 - 248 2024.04
Language：English Publishing type：Research paper (scientific journal)
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redicting heat-related morbidity in Japan through integrated meteorological and behavioral factors Reviewed
T. Matsuura, S. Kodera, and A. Hirata
Environmental Challenges 18 101106 2024.04
Authorship：Last author Language：English Publishing type：Research paper (scientific journal)
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Compliance assessment of the spatial averaging method for magnetic field leakage from a wireless power transfer system in electric vehicles Reviewed
M. Okada, K. Miwa, S. Kodera, A. Hirata
Applied Sciences 14 ( 7 ) 2672 2024.03
Authorship：Last author, Corresponding author Language：English Publishing type：Research paper (scientific journal)
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Sensitivity of electrocardiogram on electrode-pair locations for wearable devices: computational analysis of amplitude and waveform distortion Reviewed
K. Sanjo, K. Hebiguchi, C. Tang, E. A. Rashed, S. Kodera, H. Togo, A. Hirata
Biosensors 14 ( 3 ) 153 2024.03
Language：English Publishing type：Research paper (scientific journal)
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Individual and group-level optimization of electric field in deep brain region during multichannel transcranial electrical stimulation Reviewed
H. Nishimoto, S. Kodera, N. Otsuru, A. Hirata
Frontiers in Neuroscience 18 1332135 2024.03
Authorship：Last author, Corresponding author Language：English Publishing type：Research paper (scientific journal)
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Spatially Averaged Epithelial/Absorbed Power Density for Nonplanar Skin Models Exposed to Antenna at 10–90 GHz Reviewed International coauthorship
K. Li, S. Kodera, D. Poljak, Y. Diao, K. Sasaki, S. Zhang, M. Yao, A. Kapetanovic, C. Li, T. Wu, T. Liebig, W. Simon, A. Hirata
IEEE Access 2024.02
Authorship：Last author
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The thermal sensation threshold and its reliability induced by the exposure to 28 GHz millimeter-wave Reviewed
A. Yuasa, S. Uehara, K. Ushizawa, S. Kodera, N. Arai, A. Hirata, Y. Otaka
Frontiers in Public Health 2024.02
Authorship：Corresponding author
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High-resolution EEG source localization in personalized segmentation-free head model with multi-dipole fitting Reviewed
Physics in Medicine and Biology 2024.02
Authorship：Lead author, Corresponding author
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Small effects of electric field on motor cortical excitability changes following anodal transcranial direct current stimulation Reviewed International coauthorship
I. Laakso, K. Tani, J. Gomez-Tames, A. Hirata, S. Tanaka
iScience 27 ( 2 ) 108967 2024.02
Language：English Publishing type：Research paper (scientific journal)
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Computation of Whole-Body Average SAR in Realistic Human Models from 1 to 100 GHz Reviewed International coauthorship
S. Kodera, K. Taguchi, Y. Diao, T. Kashiwa, A. Hirata
IEEE Transactions on Microwave Theory and Techniques 72 ( 1 ) 91 - 100 2024.01
Authorship：Last author Language：English Publishing type：Research paper (scientific journal)
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Dendritic neural network: a novel extension of dendritic neuron mode Reviewed International coauthorship
C. Tang, J. Ji, Y. Todo, W. Ding, A. Hirata
IEEE Transactions on Emerging Topics in Computational Intelligence 2024
Authorship：Last author Language：English Publishing type：Research paper (scientific journal)
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Modulation of pain perception through transcranial alternating current stimulation and its nonlinear relationship with the simulated electric field magnitude Reviewed International coauthorship
H. Igarashi, N. Otsuru, J Gomez-Tames, A. Hirata, K. Nagasaka, S. Miyaguchi, N. Saukurai, K. Ohno, N. Kodama, and H. Onishi
European Journal of Pain 2024
Language：English Publishing type：Research paper (scientific journal)
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Association of Nuclear Cataract Prevalence with UV Radiation and Heat Load in Lens of Older People -Five City Study- Reviewed
S. Kinoshita, S. Kodera, N. Hatsusaka, R. Egawa, H. Takizawa, E. Kubo, H. Sasaki, A. Hirata
Environmental Science and Pollution Research 30 ( 53 ) 2023.12
Authorship：Last author Language：English Publishing type：Research paper (scientific journal)
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FDTD assessment of exposures to far-field mmWave beams in anatomical head model Reviewed International coauthorship
Y. Diao, A. Hirata
IEEE Transactions on Electromagnetic Compatibility 65 ( 5 ) 1282 - 1291 2023.10
Authorship：Last author Language：English Publishing type：Research paper (scientific journal)
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Tensor-conductance model for reducing the computational artifact in target tissue for low-frequency dosimetry Reviewed International coauthorship
Y. Diao, L. Liu, N. Deng, S. Lyu, A. Hirata
Physics in Medicine and Biology 68 ( 20 ) 205014 2023.10
Authorship：Last author Language：English Publishing type：Research paper (scientific journal)
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Population-level immunity for transient suppression of COVID-19 waves in Japan from April 2021 to September 2022 Reviewed
S. Kodera, H. Ueta, T. Unemi, T. Nakata, A. Hirata
11 ( 3 ) 1457 2023.09
Authorship：Last author, Corresponding author Language：English Publishing type：Research paper (scientific journal)
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Calculation of electric field induced in the human body for simultaneous exposure to spatially uniform ELF electric and magnetic fields with a phase difference Reviewed International coauthorship International journal
Y. Sekiba, S. Kodera, K. Yamazaki, A. Hirata
IEEE Access 11 2023.09
Authorship：Last author Language：English Publishing type：Research paper (scientific journal)
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Excessive whole-body exposure to 28 GHz quasi-millimeter wave induces thermoregulation accompanied by a change in skin blood flow proportion in rats Reviewed International coauthorship
E. Ijima, S. Kodera, A. Hirata, T. Hikage, A. Matsumoto, T. Ishitake, H. Masuda
17 1225896 2023.08
Language：English Publishing type：Research paper (scientific journal)
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Computation of group-level electric field in lower limb motor area for different tDCS montages Reviewed International coauthorship
H. Hamajima, J. Gomez-Tames, S. Uehara, Y. Otaka, S. Tanaka, A. Hirata
Clinical Neurophysiology 150 69 - 78 2023.06
Authorship：Last author Language：English Publishing type：Research paper (scientific journal)
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Intercomparison of the averaged induced electric field in learning-based human head models exposed to low-frequency magnetic fields Reviewed International coauthorship International journal
Y. Diao, E. A. Rashed, L. Giaccone, I. Laakso, C. Li, R. Scorreti, Y. Sekiba, K. Yamazaki, A. Hirata
IEEE Access 11 38739 - 38752 2023.04
Authorship：Last author Language：English Publishing type：Research paper (scientific journal)
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Characteristics of current perception produced by intermediate-frequency contact currents in healthy adults Reviewed International coauthorship
7. S. Uehara, A. Yuasa, K. Ushizawa, S. Kodera, Y. Kamimura, A. Hirata, Y. Otaka
17 1145505 2023.04
Authorship：Corresponding author Language：English Publishing type：Research paper (scientific journal)
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Projection of COVID-19 positive cases considering hybrid immunity: case study in Tokyo Reviewed
S. Kodera, A. Takada, E. A. Rashed, A. Hirata
11 ( 3 ) 633 2023.03
Authorship：Last author Language：English Publishing type：Research paper (scientific journal)
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Whole-body exposure system using horn antennas with dielectric lens at 28 GHz Reviewed
S. Kodera, N. Miura, Y. Diao, M. Inoue, T. Hikage, K. Taguchi, H. Masuda, A. Hirata
7 ( 1 ) 65 - 72 2023.03
Authorship：Last author Language：English Publishing type：Research paper (scientific journal)
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High-resolution EEG source localization in personalized segmentation-free head model with multi-dipole fitting Reviewed
A. Hirata, M. Niitsu, C.-R. Phang, S. Kodera, T. Kida, E. A. Rashed, M. Fukunaga, N. Sadato, T. Wasaka
Physics in Medicine and Biology 69 ( 5 ) 055013 2023.03
Authorship：Lead author, Corresponding author Language：English Publishing type：Research paper (scientific journal)
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The Effects of Time Window-Averaged Mobility on Effective Reproduction Number of COVID-19 Viral Variants in Urban Cities Reviewed
Journal of Urban Health 100 29 - 39 2023.02
Authorship：Last author Language：English Publishing type：Research paper (scientific journal)
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Estimation of the number of heat illness patients in eight metropolitan prefectures of Japan: Correlation with ambient temperature and computed thermophysiological responses Reviewed
A. Takada, S. Kodera, K. Suzuki, M. Nemoto, R. Egawa, H. Takizawa, A. Hirata
Frontiers in Public Health 11 477 2023.02
Authorship：Last author, Corresponding author Language：English
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Calculated epithelial/absorbed power density for exposure from antennas at 10–90 GHz: intercomparison study using a planar skin model Reviewed International coauthorship International journal
K. Li, S. Kodera, D. Poljak, Y. Diao, K. Sasaki, A. Susnjara, A. Prokop, K. Taguchi, J. Xi, S. Zhang, M. Yao, G. Sacco, M. Zhadobov, W. El Hajj, A. Hirata
IEEE Access 11 2023.01
Authorship：Last author Language：English Publishing type：Research paper (scientific journal)
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Mapping Brain Motor Functions Using Transcranial Magnetic Stimulation with a Volume Conductor Model and Electrophysiological Experiments
Brain Sciences 13 ( 1 ) 116 2023.01
Authorship：Last author, Corresponding author Language：English Publishing type：Research paper (scientific journal)
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Computation of absorbed power densities in high-resolution head models by considering skin thickness in quasi-millimeter and millimeter wave bands Reviewed
K Taguchi, S Kodera, A Hirata, T Kashiwa
6 ( 4 ) 516 - 523 2022.12
Language：English Publishing type：Research paper (scientific journal)
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Assessment of incident power density in different shapes of averaging area for radio-frequency exposure above 6 GHz Reviewed
R. Morimoto, A. Hirata
Physics in Medicine and Biology 64 2022.12
Authorship：Last author Language：English Publishing type：Research paper (scientific journal)
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Induced electric field in learning-based head models with smooth conductivity for exposure to uniform low-frequency magnetic fields Reviewed International coauthorship
Y. Diao, E. A. Rashed, A. Hirata
IEEE Transactions on Electromagnetic Compatibility 64 ( 6 ) 1969 - 1977 2022.12
Authorship：Last author Language：English Publishing type：Research paper (scientific journal)
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Effects of cerebellar transcranial direct current stimulation on upper limb motor function after stroke: study protocol for the pilot of a randomized controlled trial Reviewed
A. Yuasa, S. Uehara, K. Ushizawa, T. Toyama, J. Gomez-Tames, A. Hirata, Y. Otaka
Pilot and Feasibility Studies 8 259 2022.12
Language：English Publishing type：Research paper (scientific journal)
DOI： doi.org/10.1186/s40814-022-01223-9
Other Link： https://pilotfeasibilitystudies.biomedcentral.com/articles/10.1186/s40814-022-01223-9#article-info
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An effective edge conductivity for reducing staircasing error in induced electric field computation for low-frequency magnetic field dosimetry Reviewed International coauthorship
Physics in Medicine and Biology 64 ( 21 ) 215011 2022.11
Authorship：Last author Language：English Publishing type：Research paper (scientific journal)
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“Estimation of mRNA COVID-19 vaccination effectiveness in Tokyo for Omicron variants BA.2 and BA.5 -effect of social behavior- Reviewed
Vaccines 10 ( 11 ) 2022.11
Authorship：Last author, Corresponding author Language：English Publishing type：Research paper (scientific journal)
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COVID-19 forecasting using new viral variants and vaccination effectiveness models Reviewed
Computers in Biology and Medicine 146 105548 2022.10
Authorship：Last author Language：English Publishing type：Research paper (scientific journal)
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Did the Tokyo Olympic Games Enhance the Transmission of COVID-19? -Interpretation with Machine Learning- Reviewed International coauthorship International journal
A. Hirata, S. Kodera, Y. Diao, and, E. A. Rashed
Computers in Biology and Medicine 146 105548 2022.07
Authorship：Lead author Language：English Publishing type：Research paper (scientific journal) Publisher：Elsevier
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Planar omnidirectional wireless power transfer system based on novel metasurface Reviewed International coauthorship International journal
J. Lan, Y. Diao, X. Duan, A. Hirata
IEEE Transactions on Electromagnetic Compatibility 64 ( 551 ) 558 2022.04
Language：English Publishing type：Research paper (scientific journal) Publisher：IEEE
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Computed and measured core temperature of patients with heatstroke transported from their homes via ambulance Reviewed International coauthorship International journal
A. Takada, S. Kodera, H. Togo, M. Shimizu, H. Niwa, T. Ishikura, H. Tanaka, T. Kawahara, A. Hirata
IEEE Access 10 41839 - 41851 2022.04
Language：English Publishing type：Research paper (scientific journal) Publisher：IEEE
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Estimation of real-world vaccination effectiveness of mRNA COVID-19 vaccines against Delta and Omicron variants in Japan Reviewed International journal
S. Kodera, E. A. Rashed, A. Hirata
Vaccines 10 ( 3 ) 430 2022.03
Language：English Publishing type：Research paper (scientific journal) Publisher：MDPI
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Nonequivalent after-effects of alternating current stimulation on motor cortex oscillation and inhibition: simulation and experimental study Reviewed International journal
M. Suzuki, S. Tanaka, J. Gomez-Tames, T. Okabe, K. Cho, N. Iso, A. Hirata
Brain Sciences 12 ( 2 ) 195 2022.01
Language：English Publishing type：Research paper (scientific journal) Publisher：MDPI
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Evaluation of peripheral electrostimulation thresholds in human model for uniform magnetic field exposure Reviewed International coauthorship International journal
Y. Suzuki, J. Gomez-Tames, Y. Diao, A. Hirata
International Journal of Environmental Research and Public Health 19 ( 1 ) 390 2022.01
Language：English Publishing type：Research paper (scientific journal) Publisher：MDPI
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Reduction in Human Interaction with Magnetic Resonant coupling WPT systems with grounded loop Invited Reviewed International coauthorship International journal
X. Duan, J. Lan, Y. Diao, J. Gomez-Tames, H. Hirayama, M. Hotta, G. Fischer, A. Hirata
Energies 14 2021.11
Language：English Publishing type：Research paper (scientific journal) Publisher：MDPI
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Power Absorption and Skin Temperature Rise from Simultaneous Near-field Exposure at 2 and 28 GHz Reviewed International journal
N. Miura, S. Kodera, Y. Diao, J. Higashiyama, Y. Suzuki, and A. Hirata
IEEE Access 9 2021.11
Language：English Publishing type：Research paper (scientific journal) Publisher：IEEE
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Social implementation and intervention with estimated morbidity of heat-related illnesses from weather data: a case study from Nagoya city, Japan Reviewed International coauthorship International journal
T. Nishimura, E. A. Rashed, S. Kodera, H. Shirakami, R. Kawaguchi, K. Watanabe, M. Nemoto, A. Hirata
Sustainable Cities and Society 74 103203 2021.11
Language：English Publishing type：Research paper (scientific journal) Publisher：Elsevier
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Exposure assessment of array antennas at 28 GHz using hybrid spherical near-field transformation and FDTD method Reviewed International coauthorship International journal
Y. Diao, A. Hirata
IEEE Transactions Electromagnetic Compatibility 63 ( 5 ) 1690 - 1698 2021.10
Language：English Publishing type：Research paper (scientific journal) Publisher：IEEE
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Effect of incidence angle on the incident power density definition to correlate skin temperature rise for millimeter wave exposures Reviewed International coauthorship International journal
Y. Diao, K. Li, K. Sasaki, S. Kodera, I. Laakso, W. El Hajj, A. Hirata
IEEE Transactions Electromagnetic Compatibility 63 ( 5 ) 1709 - 176 2021.10
Language：English Publishing type：Research paper (scientific journal) Publisher：IEEE
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A novel method to predict the maximum electric fields in different body parts exposed to uniform low-frequency magnetic field Reviewed International coauthorship International journal
K. Miwa, Y. Suzuki, J. Lan, Y. Diao, A. Hirata
IEEE Transactions Electromagnetic Compatibility 63 ( 5 ) 1640 - 1648 2021.10
Language：English Publishing type：Research paper (scientific journal) Publisher：IEEE
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Assessment of human exposure to electromagnetic fields: review and future directions Invited Reviewed International coauthorship International journal
A. Hirata, Y. Diao, T. Onishi, K. Sasaki, S. Ahn, D. Colombi, V. De Santis, I. Laakso, L. Giaccone, J. Wout, E. A. Rashed, K. Wolfgang, J. Chen
IEEE Transactions Electromagnetic Compatibility 63 ( 5 ) 1619 - 1630 2021.10
Authorship：Lead author Language：English Publishing type：Research paper (scientific journal) Publisher：IEEE
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Body core temperature estimation using new compartment model with vital data from wearable devices Reviewed
A. Hirata, T. Miyazawa, R. Uematsu, S. Kodera, Y. Hashimoto, K. Takagahara, Y. Higuchi, H. Togo, T. Kawahara, and H. Tanaka
IEEE Access 9 124452 - 124462 2021.09
Language：English Publishing type：Research paper (scientific journal) Publisher：IEEE
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Assessment of mmWave exposure from antenna based on transformation of spherical wave expansion to plane wave expansion Reviewed International coauthorship International journal
Y. Diao, A. Hirata
IEEE Access 9 2021.08
Language：English Publishing type：Research paper (scientific journal)
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Coil orientation affects pain sensation during single-pulse transcranial magnetic stimulation over Broca's area Reviewed International coauthorship
Tani Keisuke, Hirata Akimasa, Gomez-Tames Jose, Tanaka Satoshi
Clinical Neurophysiology Practice 6 234 - 238 2021.08
Language：English Publishing type：Research paper (scientific journal)
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Infectivity upsurge by COVID-19 viral variants in Japan: evidence from a deep learning modeling Reviewed International coauthorship International journal
E. A. Rashed, A. Hirata
International Journal on Environmental Research and Public Health 18 ( 15 ) 18157799 2021.07
Language：English Publishing type：Research paper (scientific journal) Publisher：MDPI
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High-Resolution EEG Source Localization in Segmentation-Free Head Models Based on Finite-Difference Method and Matching Pursuit Algorithm Reviewed International coauthorship
Moridera Takayoshi, Rashed Essam A., Mizutani Shogo, Hirata Akimasa
Frontiers in Neuroscience 15 2021.06
Language：English Publishing type：Research paper (scientific journal)
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Influence of population density, temperature, and absolute humidity on spread and decay durations of COVID-19: A comparative study of scenarios in China, England, Germany, and Japan Reviewed International coauthorship International journal
Y. Diao, S. Kodera, D. Anzai, J. Gomez-Tames, E. A. Rashed, A. Hirata
One Health 12 100203 2021.06
Language：English Publishing type：Research paper (scientific journal) Publisher：Elsevier
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Multiscale computational model reveals nerve response in a mouse model for temporal interference brain stimulation Reviewed International journal
J. Gomez-Tames, A. Asai, A. Hirata
Frontiers in Neuroscience 14 684465 2021.06
Language：English Publishing type：Research paper (scientific journal)
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ECG localization method based on volume conductor model and Kalman filtering Reviewed International coauthorship International journal
247. Y. Nakano, E. A. Rashed, T. Nakane, I. Laakso, A. Hirata
Sensors 21 695668 2021.06
Language：English Publishing type：Research paper (scientific journal) Publisher：MDPI
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One-year lesson: Machine learning prediction of COVID-19 positive cases with meteorological data and mobility estimate in Japan Reviewed International coauthorship International journal
E. A. Rashed, A. Hirata
International Journal on Environmental Research and Public Health 18 ( 11 ) 2021.06
Language：English Publishing type：Research paper (scientific journal) Publisher：MDPI
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High-resolution EEG source localization in segmentation-free head models based on finite-difference method and matching pursuit algorithm Reviewed International coauthorship International journal
T. Moridera, E A. Rashed, S. Mizutani, A. Hirata
Frontiers in Neuroscience 14 695668 2021.06
Language：English Publishing type：Research paper (scientific journal)
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Knowledge discovery from emergency ambulance dispatch during COVID-19: A case study of Nagoya City, Japan Reviewed International coauthorship International journal
E. A. Rashed, J. Gomez-Tames, A. Hirata
Journal of Biomedical Informatics 117 103743 2021.05
Language：English Publishing type：Research paper (scientific journal) Publisher：Elsevier
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Synaptic Effect of A delta-Fibers by Pulse-Train Electrical Stimulation Reviewed International coauthorship
Tanaka Shota, Gomez-Tames Jose, Inui Koji, Ueno Shoogo, Hirata Akimasa, Wasaka Toshiaki
Frontiers in Neuroscience 15 2021.04
Language：English Publishing type：Research paper (scientific journal)
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Influence of segmentation accuracy in structural MR head scans on electric field computation for TMS and tES Reviewed International coauthorship International journal
E. A. Rashed, J. Gomez-Tames, and A. Hirata
Physics in Medicine and Biology 66 064002 2021.03
Language：English Publishing type：Research paper (scientific journal) Publisher：Institute of Physics
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Dosimetry analysis in non-brain tissues during TMS exposure of Broca’s and M1 areas Reviewed International journal
J. Gomez-Tames, K. Tani, K. Hayashi, S. Tanaka, S. Ueno, A. Hirata
Frontiers in Neuroscience 14 644951 2021.02
Language：English Publishing type：Research paper (scientific journal) Publisher：Frontiers
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Compliance of human exposure from under-floor vehicle cables with coupling factors Reviewed International journal
Y. Hakuta, T. Watanabe, T. Takenaka, T. Ito, A. Hirata
IEEE Transactions Electromagnetic Compatibility 63 ( 1 ) 313 - 318 2021.02
Language：English Publishing type：Research paper (scientific journal) Publisher：IEEE
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Electrical characterisation of Aδ-fibres based on human in vivo electrostimulation threshold Reviewed International journal
S. Tanaka, J. Gomez-Tames, T. Wasaka, K. Inui, S. Ueno, A. Hirata
Frontiers in Neuroscience 14 588056 2021.01
Language：English Publishing type：Research paper (scientific journal)
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Assessment of mmWave Exposure From Antenna Based on Transformation of Spherical Wave Expansion to Plane Wave Expansion Reviewed International coauthorship
Diao Yinliang, Hirata Akimasa
IEEE ACCESS 9 111608 - 111615 2021
Language：English Publishing type：Research paper (scientific journal)
-
Effect of a lens protein in low-temperature culture of novel immortalized human lens epithelial cells (iHLEC-NY2) Reviewed International journal
9 ( 12 ) 2670 2020.12
Language：English Publishing type：Research paper (scientific journal)
-
Effect of skin-to-skin contact on stimulation threshold and dosimetry Reviewed International coauthorship International journal
E. A. Rashed, Y.-L. Diao, S. Tanaka, T. Sakai, J. Gomes-Tames, and A. Hirata
IEEE Transactions Electromagnetic Compatibility 2020.12
Language：English Publishing type：Research paper (scientific journal) Publisher：IEEE
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Compliance of human exposure from under-floor vehicle cables with coupling factors Reviewed International journal
Y. Hakuta, T. Watanabe, T. Takenaka, T. Ito, and A. Hirata
IEEE Transactions Electromagnetic Compatibility 2020.12
Language：English Publishing type：Research paper (scientific journal) Publisher：IEEE
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Evaluation of SAR and Temperature Rise in Human Hand due to Contact Current from 100 kHz to 100 MHz
T. Murakawa, Y. Diao, E. A. Rashed, S. Kodera, Y. Tanaka, Y. Kamimura, S. Kitamura, S. Uehara, Y. Otaka, A. Hirata
IEEE Access 8 2020.12
Language：English Publishing type：Research paper (scientific journal) Publisher：IEEE
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Assessment of absorbed power density and temperature rise for nonplanar body model under electromagnetic exposure above 6 GHz Reviewed International coauthorship International journal
65 ( 22 ) 224001 2020.11
Language：English Publishing type：Research paper (scientific journal)
-
Correlation between estimated thermoregulatory responses and pacing in athletes during marathon Reviewed International journal
S. Kodera, T. Kamiya, T. Miyazawa, A. Hirata
IEEE Access 8 2020.09
Language：English Publishing type：Research paper (scientific journal) Publisher：IEEE
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Model-based approach for analyzing prevalence of nuclear cataracts in elderly residents Reviewed International coauthorship International journal
2. S. Kodera, A. Hirata*, F. Miura, E. A Rashed, N. Hatsusaka, N. Yamamoto, E. Kubo,H. Sasaki
Computers in Biology and Medicine 104009 2020.09
Language：English Publishing type：Research paper (scientific journal) Publisher：Elsevier
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Review on Biophysical Modelling and Simulation Studies for Transcranial Magnetic Stimulation Invited Reviewed International coauthorship International journal
J. Gomez-Tames, Ilkka Laakso, A. Hirata
Physics in Medicine and Biology 65 ( 24 ) 24TR03 2020.09
Language：English Publishing type：Research paper (scientific journal)
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Large-scale analysis of the head proximity effects on antenna performance using machine learning based models Reviewed International coauthorship International journal
Y. Diao, E. A. Rashed, A. Hirata
IEEE Access 8 154060 - 154071 2020.08
Language：English Publishing type：Research paper (scientific journal) Publisher：IEEE
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Correlation between COVID-19 morbidity and mortality rates in Japan and local population density, temperature, and absolute humidity Reviewed International coauthorship International journal
E. A. Rashed, S. Kodera, J. Gomez-Tames, A. Hirata
International Journal on Environmental Research and Public Health 17 ( 15 ) 5447 2020.08
Language：English Publishing type：Research paper (scientific journal)
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Influence of absolute humidity, temperature and population density on COVID-19 spread and decay durations: multi-prefecture study in Japan Reviewed International coauthorship International journal
E. A. Rashed, S. Kodera, J. Gomez-Tames, A. Hirata
International Journal on Environmental Research and Public Health 17 ( 15 ) 5334 2020.08
Language：English Publishing type：Research paper (scientific journal)
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Deep learning-based development of personalized human head model with non-uniform conductivity for brain stimulation Reviewed International coauthorship International journal
E. A. Rashed, J. Gomez-Tames, A. Hirata,
IEEE Transactions on Medical Imaging 39 ( 7 ) 2351 - 2362 2020.07
Language：English Publishing type：Research paper (scientific journal) Publisher：IEEE
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Transient thermal responses of skin to pulsed millimeter waves Reviewed International coauthorship International journal
K. R. Foster, M. C. Ziskin, Q. Balzano, A. Hirata
IEEE Access 8 2020.07
Language：English Publishing type：Research paper (scientific journal) Publisher：IEEE
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Guidelines for TMS/TES clinical services and research through the COVID-19 pandemic Reviewed International coauthorship International journal
M. Bikson, ... (A. Hirata), .. (41 authors)
Brain Stimulation 13 ( 4 ) 1124 - 1149 2020.07
Language：English Publishing type：Research paper (scientific journal) Publisher：Elsevier
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Loudspeaker effects on In-situ electric field in driver body for exposure to electric vehicle wireless power transfer system Invited Reviewed International coauthorship International journal
J. Lan, A. Hirata
Energies 13 ( 14 ) 3635 2020.07
Language：English Publishing type：Research paper (scientific journal) Publisher：MDPI
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Reduction of human interaction with wireless power transfer system Reviewed International journal
A. Kumazawa, Y. Diao, A. Hirata, H. Hirayama
Electronics 9 953 2020.06
Language：English Publishing type：Research paper (scientific journal) Publisher：MDPI
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Quantitative assessment of pain threshold induced by a single-pulse transcranial magnetic stimulation Reviewed International journal
14 559 2020.06
Language：English Publishing type：Research paper (scientific journal)
-
End-to-end semantic segmentation of personalized deep brain structures for non-invasive brain stimulation Reviewed International coauthorship International journal
E. A. Rashed, J. Gomez-Tames, A. Hirata
Neural Networks 125 233 - 244 2020.05
Language：English Publishing type：Research paper (scientific journal) Publisher：Elsevier
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TMS activation site estimation using multiscale realistic head models Reviewed International coauthorship International journal
J. Gomez-Tames I. Laakso, T. Murakami, Y. Ugawa, A. Hirata
Journal of Neural Engineering 17 036004 2020.05
Language：English Publishing type：Research paper (scientific journal) Publisher：Institute of Physics
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Quantitative assessment of pain threshold induced by a single-pulse transcranial magnetic stimulation Reviewed International journal
K. Tani, A. Hirata, S. Tanaka
Frontiers in Neuroscience 2020.05
Language：English Publishing type：Research paper (scientific journal) Publisher：Frontiers
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心電位模擬ファントムの開発に向けた等価導電率の算出 Reviewed
中根辰仁，伊藤孝弘，松浦伸昭，都甲浩芳，平田晃正
電子情報通信学会和文論文誌（C) C103 ( 5 ) 2020.05
Language：Japanese Publishing type：Research paper (scientific journal) Publisher：電子情報通信学会
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Intended human exposure to non-ionizing radiation for cosmetic purposes Reviewed International coauthorship International journal
International Commission on Non-Ionizing Radiation Protection
Health Physics 118 ( 5 ) 562 - 579 2020.05
Language：English Publishing type：Research paper (scientific journal) Publisher：Walters Kluwer
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Light-Emitting Diodes (LEDS): implications for safety Reviewed International coauthorship International journal
International Commission on Non-Ionizing Radiation Protection
Health Physics 118 ( 5 ) 549 - 561 2020.05
Language：English Publishing type：Research paper (scientific journal) Publisher：Walters Kluwer
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Comments on the 2013 ICNIRP laser guidelines Reviewed International coauthorship International journal
International Commission on Non-Ionizing Radiation Protection
Health Physics 118 ( 5 ) 543 - 548 2020.05
Language：English Publishing type：Research paper (scientific journal) Publisher：Walters Kluwer
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Gaps in knowledge relevant to the “Guidelines for Limiting Exposure to Time-Varying Electric and Magnetic Fields (1 Hz – 100 kHz)” Reviewed International coauthorship International journal
International Commission on Non-Ionizing Radiation Protection
Health Physics 118 ( 5 ) 533 - 542 2020.05
Language：English Publishing type：Research paper (scientific journal) Publisher：Walters Kluwer
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Critical evaluation of two radiofrequency electromagnetic fields animal carcinogenicity studies Reviewed International coauthorship International journal
International Commission on Non-Ionizing Radiation Protection
Health Physics 118 ( 5 ) 525 - 532 2020.05
Language：English Publishing type：Research paper (scientific journal) Publisher：Walters Kluwer
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Guidelines for limiting exposure to electromagnetic fields (100 KHz to 300 GHz) Reviewed International coauthorship International journal
International Commission on Non-Ionizing Radiation Protection
Health Physics 118 ( 5 ) 483 - 524 2020.05
Language：English Publishing type：Research paper (scientific journal) Publisher：Walters Kluwer
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Principles for Non-Ionizing Radiation Protection Reviewed International coauthorship International journal
International Commission on Non-Ionizing Radiation Protection
Health Physics 118 ( 5 ) 477 - 482 2020.05
Language：English Publishing type：Research paper (scientific journal) Publisher：Walters Kluwer
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Significant group-level hotspots found in deep brain regions during tDCS: A computational analysis of electric field Reviewed International coauthorship International journal
J. Gomez-Tames, A. Asai, A. Hirata
Clinical Neurophysiology 2020.03
Language：English Publishing type：Research paper (scientific journal) Publisher：Elsevier
-
Learning-based estimation of dielectric properties and tissue density in head models for personalized radio-frequency dosimetry Reviewed International journal
E. A. Rashed, Y. Diao, A. Hirata
Physics in Medicine and Biology 65 ( 6 ) 065001 2020.03
Language：English Publishing type：Research paper (scientific journal) Publisher：Institute of Physics
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Skin temperature elevation for incident power densities from dipole arrays at 28 GHz Reviewed International journal
T. Nakae, D. Funahashi, J. Higashiyama, T. Onishi, and A. Hirata
IEEE Access 2020.02
Language：English Publishing type：Research paper (scientific journal) Publisher：IEEE
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Cost of focality in TDCS: Interindividual variability in electric fields International coauthorship
M. Mikkonen, I. Laakso, S. Tanaka, A. Hirata
Brain Stimulation 13 ( 1 ) 117 - 124 2020.01
Language：English Publishing type：Research paper (scientific journal) Publisher：Elsevier
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Group-level analysis of induced electric field in deep brain regions by different TMS coils Reviewed International coauthorship International journal
5. J. Gomez-Tames, A. Hamasaka, A. Hirata, I. Laakso, M. Lu, S. Ueno
Physics in Medicine and Biology 65 ( 2 ) 025007 2020.01
Language：English Publishing type：Research paper (scientific journal) Publisher：Institute of Physics
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Spatial Averaging Schemes of In Situ Electric Field for Low-Frequency Magnetic Field Exposures Reviewed International coauthorship International journal
Yinliang Diao, Jose Gomez-Tames, Essam A Rashed, Robert Kavet, Akimasa Hirata
IEEE Access 7 184320 - 184331 2019.12
Language：English Publishing type：Research paper (scientific journal) Publisher：IEEE
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Brain cortical stimulation thresholds to different magnetic field sources exposures at intermediate frequencies Reviewed International coauthorship International journal
J. Gomez-Tames, T. Tarnaud, K. Miwa, A. Hirata, T. van de Steene, L Marten, E. Tanghe, and J. Wout
IEEE Transactions Electromagnetic Compatibility 61 ( 6 ) 1944 - 1952 2019.12
Language：English Publishing type：Research paper (scientific journal)
-
Electromagnetic dosimetry and compliance for wireless power transfer systems in vehicles Reviewed International coauthorship International journal
K. Miwa, T. Takenaka, A. Hirata
IEEE Transactions Electromagnetic Compatibility 61 ( 6 ) 2024 - 2030 2019.12
Language：English Publishing type：Research paper (scientific journal) Publisher：IEEE
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Real-Time Estimation of Electric Fields Induced by Transcranial Magnetic Stimulation with Deep Neural Networks Reviewed International coauthorship International journal
T Yokota, T Maki, T Nagata, T Murakami, Y Ugawa, I Laakso, A Hirata, H Hontani
Brain Stimulation 12 ( 6 ) 1500 - 1507 2019.11
Language：English Publishing type：Research paper (scientific journal) Publisher：Elsevier
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Development of accurate human head models for personalized electromagnetic dosimetry using deep learning Reviewed International coauthorship International journal
E. A. Rashed, J. Gomez-Tames, A. Hirata
Neuroimage 202 116132 2019.11
Language：English Publishing type：Research paper (scientific journal) Publisher：Elsevier
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Estimation of heat-related morbidity from weather data: a computational study in three prefectures of Japan over 2013-2018 Reviewed International coauthorship International journal
130 104907 2019.09
Language：English Publishing type：Research paper (scientific journal)
-
Forward electrocardiogram modeling by small dipoles based on whole-body electric field analysis Reviewed International journal
T. Nakane, T. Ito, N. Matsuura, H. Togo, A. Hirata
IEEE Access 7 ( 1 ) 123463 - 123472 2019.09
Language：English Publishing type：Research paper (scientific journal) Publisher：IEEE
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Brain AI: Deep learning for brain stimulation Invited Reviewed International coauthorship International journal
E. Rashed, T. Sakai, J. Gomez-Tames, A. Hirata
IEEE Pulse 10 ( 4 ) 3 - 5 2019.08
Language：English Publishing type：Research paper (scientific journal)
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Different thermoregulatory responses of people from tropical and temperate zones: A computational study Reviewed International journal
T. Kamiya, S. Kodera, K. Hasegawa, R. Egawa, H. Sasaki, A. Hirata
Building and Environment 159 106152 2019.07
Language：English Publishing type：Research paper (scientific journal) Publisher：Elsevier
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リードフィールド行列に基づいたMatching Pursuit法による脳波源推定 Reviewed
大幸裕季，伊藤孝弘，平田晃正
電子情報通信学会和文論文誌（C) 2019.05
Language：Japanese Publishing type：Research paper (scientific journal) Publisher：電子情報通信学会
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Human Head Skin Thickness Modeling for Electromagnetic Dosimetry Reviewed International coauthorship International journal
E. Rashed, J. Gomez-Tames, A. Hirata
IEEE Access 2019.04
Language：English Publishing type：Research paper (scientific journal)
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Group-level and functional-region analysis of electric-field shape during cerebellar transcranial direct current stimulation with different electrode montages Reviewed International coauthorship International journal
J. Gomez-Tames, A. Asai, M. Mikkonen, I. Laakso, S. Tanaka, S. Uehara, Y. Otaka, A. Hirata
Journal of Neural Engineering 16 036001 2019.02
Language：English Publishing type：Research paper (scientific journal)
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Can electric fields explain inter-individual variability in transcranial direct current stimulation of the motor cortex? Reviewed International coauthorship International journal
I. Laakso, M. Mikkonen, S. Koyama, A. Hirata, and S. Tanaka
Scientific Report 9 626 2019.01
Language：English Publishing type：Research paper (scientific journal)
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Setting Exposure Guidelines and Product Safety Standards for Radio-Frequency Exposure at Frequencies Above 6 GHz: Brief Review Invited Reviewed International journal
A. Hirata, D. Funahashi, S. Kodera
Annals of Telecommunications 74 17 - 24 2019.01
Authorship：Lead author Language：English Publishing type：Research paper (scientific journal)
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Boundary integral methods in bioelectromagnetics and biomedical applications of electromagnetic fields Reviewed International coauthorship International journal
2. D. Poljak, M. Cvetkovic, D. Cavka, A. Peratta, C. Peratta, H. Dodig, A. Hirata
WIT Transactions on Engineering Science 122 85 - 94 2019.01
Language：English Publishing type：Research paper (scientific journal)
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Synopsis of IEEE Std C95.1TM-2019 “IEEE Standard for Safety Levels with Respect to Human Exposure to Electric, Magnetic, and Electromagnetic Fields, 0 Hz to 300 GHz” Reviewed International coauthorship International journal
IEEE International Committee on Electromagnetic Safety Technical Committee 95
IEEE Access 2019.01
Language：English Publishing type：Research paper (scientific journal) Publisher：IEEE
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Intraoperative direct subcortical stimulation: comparison of monopolar and bipolar stimulation Reviewed International journal
J. Gomez-Tames, T. Kutsuna, M. Tamura, Y. Muragaki and A. Hirata
Physics in Medicine and Biology 2018.12
Language：English Publishing type：Research paper (scientific journal) Publisher：IoP
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Area-Averaged Transmitted Power Density at Skin Surface as Metric to Estimate Surface Temperature Elevation Reviewed International coauthorship International journal
D. Funahashi, A. Hirata, S. Kodera, K. R. Foster
IEEE Access 2018.12
Language：English Publishing type：Research paper (scientific journal) Publisher：IEEE
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Review on Human Dosimetry Study for Radio-Frequency Exposure Above 6 GHz -International Exposure Standards- Invited Reviewed International journal
A. Hirata
Proc. Asia Pacific Microwave Conference 2018.11
Authorship：Lead author Language：English Publishing type：Research paper (international conference proceedings)
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A multi-scale computational approach based on TMS experiments for the assessment of electro-stimulation thresholds of the brain at intermediate frequencies Reviewed International coauthorship International journal
M. Soldati, M. Mikkonen, I. Laakso, T. Murakami, Y. Ugawa, A. Hirata
Physics in Medicine and Biology 2018.11
Language：English Publishing type：Research paper (scientific journal) Publisher：Institute of Physics
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Intercomparison of in situ electric fields in human models exposed to spatially uniform magnetic fields Reviewed International coauthorship International journal
K. Aga, A. Hirata, I. Laakso, H. Tarao, Y. Diao, T. Ito, Y. Sekiba, K. Yamazaki
IEEE Access 2018.11
Language：English Publishing type：Research paper (scientific journal) Publisher：IEEE
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Relationship of External Field Strength with Local and Whole-body Averaged Specific Absorption Rates in Anatomical Human Models Reviewed International coauthorship International journal
K. Taguchi, I. Laakso, K. Aga, A. Hirata, Y. Diao, J. Chakarothai, T. Kashiwa
IEEE Access 2018.11
Language：English Publishing type：Research paper (scientific journal) Publisher：IEEE
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Comparison of thermal response for RF exposure in human and rat model Reviewed International journal
S. Kodera, A. Hirata
International Journal of Environmental Research and Public Health 2018.10
Language：English Publishing type：Research paper (scientific journal) Publisher：IoP
-
Corticomotoneuronal model for intraoperative neurophysiological Monitoring During Direct Brain Stimulation Reviewed International journal
J. Gomez-Tames, A. Hirata, M. Tamura, Y. Muragaki
International Journal of Neural Systems 2018.10
Language：English Publishing type：Research paper (scientific journal) Publisher：World Scientific
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Temperature rise for brief radio-frequency exposure below 6 GHz Reviewed International coauthorship International journal
S. Kodera, A. Hirata, D. Funahashi, S. Watanabe, K. Jokela, R. J. Croft
IEEE Access 2018.10
Language：English Publishing type：Research paper (scientific journal) Publisher：IEEE
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Atlas of optimal coil orientation and position for TMS: A computational study Reviewed International coauthorship International journal
J. Gomez-Tames A. Hamasaka, I. Laakso, A. Hirata, Y. Ugawa
Brain Stimulation 2018.09
Language：English Publishing type：Research paper (scientific journal)
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Averaging area of incident power density for human exposure from patch antenna arrays Reviewed International journal
D. Funahashi, T. Ito, A. Hirata, T. Iyama, T. Onishi
IEICE Transactions on Electronics 2018.09
Language：English Publishing type：Research paper (scientific journal)
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TMS motor thresholds correlate with TDCS electric field strengths in hand motor area Reviewed International coauthorship International journal
M. Mikkonen, I. Laakso, M. Sumiya, S. Koyama, A. Hirata, S. Tanaka
Frontiers in Neuroscience 2018.07
Language：English Publishing type：Research paper (scientific journal)
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Computational Artifacts of the In Situ Electric Field in Anatomical Models Exposed to Low-Frequency Magnetic Field Reviewed International coauthorship International journal
Jose Gomez-Tames, Ilkka Laakso, Yuto Haba, Akimasa Hirata, Dragan Poljak, Kenichi Yamazaki
IEEE Transactions on Electromagnetic Compatibility 60 ( 3 ) 589 - 597 2018.06
Language：English Publishing type：Research paper (scientific journal) Publisher：IEEE
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生体における電磁界と神経発火モデルの融合解析と応用 Invited Reviewed International coauthorship
平田 晃正, Ilkka Laakso, Jose Gomez-Tames, 本谷 秀堅
電気学会論文誌(A) 138 ( 6 ) 265 - 270 2018.06
Authorship：Lead author Language：Japanese Publishing type：Research paper (scientific journal) Publisher：電気学会
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複合物理解析に基づく熱中症リスク評価と応用 Invited Reviewed International coauthorship
平田 晃正, 長谷川 一馬, 小寺 紗千子, Ilkka Laakso, 江川 隆輔, 堀江 祐圭, 矢﨑 菜名子, 田口 健治, 柏 達也
電気学会論文誌(A) 138 ( 6 ) 265 - 270 2018.06
Authorship：Lead author Language：Japanese Publishing type：Research paper (scientific journal)
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A high-resolution computational localization method for transcranial magnetic stimulation mapping Reviewed International coauthorship International journal
S Aonuma, J Gomez-Tames, I Laakso, A Hirata, T Takakura, M Tamura, Y Muragaki
Neuroimage 172 85 - 93 2018.05
Language：English Publishing type：Research paper (scientific journal) Publisher：Elsevier
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サブグリッド法に基づくSPFD 解析による一様磁界ばく露解析 Reviewed
中西優大，伊藤孝弘，平田晃正，田口健治，柏達也
電子情報通信学会和文論文誌(C) J101-C ( 5 ) 256 - 257 2018.05
Language：Japanese Publishing type：Research paper (scientific journal) Publisher：電子情報通信学会
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On the Use of Conformal Models and Methods in Dosimetry for Nonuniform Field Exposure Reviewed International coauthorship International journal
Dragan Poljak, Mario Cvetković, Oriano Bottauscio, Akimasa Hirata, Ilkka Laakso, Esra Neufeld, Sylvain Reboux, Craig Warren, Antonios Giannopoulos, Fumie Costen
IEEE Transactions on Electromagnetic Compatibility 60 ( 2 ) 328 - 337 2018.04
Language：English Publishing type：Research paper (scientific journal) Publisher：IEEE
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Risk Management of Heatstroke Based on Fast Computation of Temperature and Water Loss using Weather Data for Exposure to Ambient Heat and Solar Radiation Reviewed International coauthorship International journal
6 3774 - 3785 2018.02
Language：English Publishing type：Research paper (scientific journal)
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Temperature elevation in the human brain and skin with thermoregulation during exposure to RF energy Reviewed International journal
Sachiko Kodera, Jose Gomez-Tames, Akimasa Hirata
Biomedical Engineering Online 17 ( 1 ) 1 2018.01
Language：English Publishing type：Research paper (scientific journal) Publisher：BioMed Central
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Where and what TMS activates: Experiments and modeling Reviewed International coauthorship International journal
Ilkka Laakso, Takenobu Murakami, Akimasa Hirata, Yoshikazu Ugawa
Brain Stimulation 11 ( 1 ) 166 - 174 2018.01
Language：English Publishing type：Research paper (scientific journal)
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Human exposure to pulsed fields in the frequency range from 6 to 100 GHz Reviewed International coauthorship International journal
169. I. Laakso, R. Morimoto, J. Heinonen, K. Jokela, A. Hirata
Physics in Medicine and Biology 62 ( 17 ) 6980 - 6992 2017.08
Language：English Publishing type：Research paper (scientific journal)
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太陽光および暑熱同時ばく露に対する熱中症リスク評価シミュレータの開発 Reviewed
西尾渉，小寺紗千子，平田晃正，佐々木大輔，山下毅，江川隆輔，小林広明，曽根秀昭
電子情報通信学会和文論文誌(C) J98-C ( 5 ) 2017.05
Language：Japanese Publishing type：Research paper (scientific journal) Publisher：電子情報通信学会
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ラット脳局所ばく露マルチフィジクス解析の高精度化 Reviewed
小寺紗千子，森本涼太，平田晃正，増田宏，有馬卓司，渡辺聡一
電子情報通信学会和文論文誌(C) J98-C ( 5 ) 2017.05
Language：Japanese Publishing type：Research paper (scientific journal) Publisher：電子情報通信学会
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Human Head Skin Thickness Modeling for Electromagnetic Dosimetry Reviewed International coauthorship International journal
E. Rashed, J. Gomez-Tames, A. Hirata
IEEE Access 46176 - 46186 2017.04
Language：English Publishing type：Research paper (scientific journal)
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Derivation of coupling factors for different wireless power transfer systems: inter- and intra-laboratory comparison Reviewed International coauthorship International journal
IEEE Transactions on Electromagnetic Compatibility 59 ( 2 ) 677 - 685 2017.04
Language：English Publishing type：Research paper (scientific journal)
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Computational dosimetry of the human head exposed to near-field microwaves using measured blood flow International coauthorship International journal
59 ( 2 ) 739 - 746 2017.04
Language：English Publishing type：Research paper (scientific journal)
-
人体の静電気放電に対する電撃と安全性評価 Reviewed
高義礼，平田晃正，山崎健一，藤原修
電気学会論文誌(A) 137 2017.04
Language：Japanese Publishing type：Research paper (scientific journal) Publisher：電気学会
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On the averaging area for incident power density for human exposure limits at frequencies over 6 GHz Reviewed International coauthorship International journal
Y. Hashimoto, A. Hirata, R. Morimoto, S. Aonuma, I. Laakso, K. Jokela, K. R. Foster
Physics in Medicine and Biology 137 ( 8 ) 2017.04
Language：English Publishing type：Research paper (scientific journal) Publisher：Institute of Physics
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Multiphysics and thermal response models to improve accuracy of local temperature estimation in rat cortex under microwave exposure Reviewed International journal
S. Kodera, J. Gomez-Tames, A. Hirata, H. Masuda, T. Arima, and S. Watanabe
International Journal of Environmental Research and Public Health 14 ( 4 ) E358 2017.04
Language：English Publishing type：Research paper (scientific journal)
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Evaluation method of internal electric field in standardized human brain for different transcranial magnetic stimulation coils Reviewed International coauthorship International journal
M. Iwahashi, J. Gomez-Tames, I. Laakso, A. Hirata
Physics in Medicine and Biology 137 ( 6 ) 2017.03
Language：English Publishing type：Research paper (scientific journal)
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ICNIRP Statement on diagnostic dvices using non-ionizing radiaton: existing regulations and potential health risks Reviewed International coauthorship International journal
A. C. Green, D. Coggon, R. De Seze, P. A. Gowland, C. Marino, A. P. Peralta, P. G. Soderberg, R. Stam, M. C. Ziskin, E. van Rongen, M. Feychting, M. Asmuss, R. Croft, G. D'Inzeo, A. Hirata, S. Miller, G. Oftedal, T. Okuno, M. Roosli, Z. Sienkiewicz, and S. Watanabe
Health Physics 112 ( 3 ) 305 - 321 2017.03
Language：English Publishing type：Research paper (scientific journal)
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Time constants for temperature elevation in the human models exposed to dipole antennas and beams from 1 to 30 GHz Reviewed International coauthorship International journal
Ryota Morimoto, Akimasa Hirata, Ilkka Laakso, Marvin C Ziskin and Kenneth R Foster
62 ( 5 ) 1676 - 1699 2017.02
Language：English Publishing type：Research paper (scientific journal)
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Effect of microscopic modeling of skin in electrical and thermal analysis of transcranial direct current stimulation Reviewed International coauthorship International journal
61 ( 14 ) 8825 - 8838 2016.11
Language：English Publishing type：Research paper (scientific journal)
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Electric fields of motor and frontal tDCS in a standard brain space: A computer simulation study Reviewed International coauthorship International journal
I. Laakso, S. Tanaka, M. Mikkonen, S. Koyama, N. Sadato, A. Hirata
Neuroimage 137 140 - 151 2016.08
Language：English Publishing type：Research paper (scientific journal) Publisher：Elsevier
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Evaluation method for in-situ electric field of different TMS coils in human brain Reviewed International coauthorship International journal
A. Hirata, M. Iwahashi, I. Laakso
Proc. of URSI International Symposium on Electromagnetic Theory 2016.08
Authorship：Lead author Language：English Publishing type：Research paper (international conference proceedings) Publisher：IEEE
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Relationship between peak spatial-averaged specific absorption rate and peak temeprature eelvation in human head in frequency range of 1-30 GHz Reviewed International journal
R. Morimoto, I. Laakso, V. De Santis, and A. Hirata
Physics in Medicine and Biology 61 ( 14 ) 5406 - 5425 2016.07
Language：English Publishing type：Research paper (scientific journal)
-
Why intra-epidermal electrical stimulation realizes stimulation of small fibres selectively: A simulation study Reviewed International coauthorship International journal
J. Motogi, Y. Sugiyama, I. Laakso, A. Hirata, K. Inui, M. Tamura, Y. Muragaki
Physics in Medicine and Biology 61 ( 12 ) 4479 - 4490 2016.06
Language：English Publishing type：Research paper (scientific journal) Publisher：Institute of Physics
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Low-frequency electrical dosimetry: research agenda of the IEEE International Commitee on Electromagnetic Safety Invited Reviewed International coauthorship International journal
J. P. Reilly, A. Hirata
Physics in Medicine and Biology 61 ( 6 ) R138 - R149 2016.06
Language：English Publishing type：Research paper (scientific journal)
-
SAR evaluation in models of an adult and a child for magnetic field from wireless power trasnfer systems at 6.78 MHz Reviewed International journal
2 027001 2016.04
Language：English Publishing type：Research paper (scientific journal)
-
Wireless power transfer charging system for AIMDs and pacemakers Reviewed International coauthorship International journal
62 ( 2 ) 633 - 642 2016.02
Language：English Publishing type：Research paper (scientific journal)
-
The electromagnetic-thermal dosimetry for the homogeneous human brain model Reviewed International coauthorship International journal
63 61 - 73 2016.02
Language：English Publishing type：Research paper (scientific journal)
-
Computational dosimetry for child and adult human models due to contact current from 10 Hz to 110 MHz Reviewed International coauthorship International journal
K-H. Chan, S. Ohta, I. Laakso, A. Hirata, Y. Suzuki, R. Kavet
Radiation Protection Dosimetry 167 ( 4 ) 642 - 652 2015.12
Language：English Publishing type：Research paper (scientific journal) Publisher：Oxford Journals
DOI： 10.1093/rpd/ncu322
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Magnetic field measurement for human exposure assessment near wireless power trasnfer system in kilohertz and megahertz bands Reviewed
S. Ishihara, T. Onishi, A. Hirata
IEICE Transactions on Communications E98-B ( 12 ) 2470 - 2476 2015.12
Language：English Publishing type：Research paper (scientific journal)
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Internal electric field in pregnant-woman model for wireless power transfer system in electric vehicle Reviewed International coauthorship International journal
T. Shimamoto, I. Laakso, A. Hirata
Electronics Letters 51 ( 25 ) 2136 - 2137 2015.12
Language：English Publishing type：Research paper (scientific journal) Publisher：IET
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No dynamic changes in inflammation-related microciculatoryparameters in developing rats during local cortex exposure to microwaves Reviewed International journal
In-Vivo 29 ( 5 ) 561 - 567 2015.10
Language：English Publishing type：Research paper (scientific journal)
-
Evaluation of nonuniform field exposures with coupling factors Reviewed International journal
60 ( 20 ) 8129 - 8140 2015.10
Language：English Publishing type：Research paper (scientific journal)
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Inter-subject variability in electric fields of motor cortical tDCS Reviewed
Brain Stimulation 8 ( 5 ) 906 - 913 2015.09
Language：English Publishing type：Research paper (scientific journal)
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Quasistatic approximation for exposure assessment of wireless power transfer Invited Reviewed
I. Laakso, T. Shimamoto, A. Hirata, M. Feliziani
IEICE Transactions on Commuinications E98-B ( 7 ) 1156 - 1163 2015.07
Language：English Publishing type：Research paper (scientific journal)
-
An equivalent skin conductivity model for LF magnetic field dosimetry Reviewed International coauthorship
V. De Santis, V. Chen, I. Laakso, A. Hirata
Biomedical Engineering and Physics Express 1 015201 2015.06
Language：English Publishing type：Research paper (scientific journal)
-
No dynamic changes in blood-brain barrier permeability in developing rats occur during local cortex exposure to microwaves Reviewed
H. Masuda, S. Hirota, A. Ushiyama, A. Hirata, T. Arima, H. Watanabe, K. Wake, S. Watanabe, M. Taki, A. Nagai, C. Ohkubo
In-Vivo 29 ( 3 ) 351 - 357 2015.06
Language：English Publishing type：Research paper (scientific journal)
-
経頭蓋直流電気刺激における体内電界強度分布解析 Reviewed
杉山侑紀也，平田晃正
電子情報通信学会和文論文誌(C) J98-C ( 5 ) 2015.05
Language：Japanese Publishing type：Research paper (scientific journal)
-
Characteristics of ocular temperature elevations after exposure to quasi-and millimeter waves (18-40 GHz) Reviewed
2015.04
Language：English Publishing type：Research paper (scientific journal)
-
Computational estimation of body temperature and sweating in the aged during passive heat exposure Reviewed
89 154 - 163 2015.03
Authorship：Lead author Language：English Publishing type：Research paper (scientific journal)
-
No Changes in Cerebral Microcirculatory Parameters in Rat During Local Cortex Exposure to Microwaves Reviewed
HIROSHI MASUDA, SHOGO HIROTA, AKIRA USHIYAMA, AKIMASA HIRATA, TAKUJI ARIMA, HIROSHI WATANABE, KANAKO WAKE, SOICHI WATANABE, MASAO TAKI, AKIKO NAGAI, CHIYOJI OHKUBO
In Vivo 29 ( 2 ) 207 - 215 2015.03
Language：English Publishing type：Research paper (scientific journal)
-
60 ( 1 ) 163 - 173 2015.01
Language：English Publishing type：Research paper (scientific journal)
-
FDTD computation of temperature elevation in the head model due to dipole antenna with measured blood perfusion rate Reviewed
S. Ohta, I. Laakso, A. Hirata
Proc. Asia Pacific Microwave Conference 959 - 962 2014.11
Language：English Publishing type：Research paper (international conference proceedings)
-
Fast and accurate computational electromagnetic modeling of non-invasive brain stimulation Reviewed
I. Laakso, A. Hirata
Proc. Asia Pacific Microwave Conference 450 - 453 2014.11
Language：English Publishing type：Research paper (international conference proceedings)
-
Multi-scale simulations predict responses to non-invasive nerve root stimulation Reviewed
11 056012 2014.10
Language：English Publishing type：Research paper (scientific journal)
-
Effect of relative humiding during 40 GHz millimeter wave exposrue Reviewed
155. M. Kojima, C.-Y. Tsai, Y. Suzuki, K. Sasaki, K. Wake, S. Watanabe, Y. Kamimura, A. Hirata, M. Taki, K. Sasaki, H. Sasaki
Proc. URSI General Assembly KE03.5 2014.08
Language：English Publishing type：Research paper (international conference proceedings)
-
Magnetic field measurement near wireless power transfer system Reviewed
T. Onishi, S. Ishihara, A. Hirata
Proc. URSI General Assembly KE01.2 2014.08
Language：English Publishing type：Research paper (international conference proceedings)
-
59 ( 14 ) 3721 - 3735 2014.07
Language：English Publishing type：Research paper (scientific journal)
-
Dosimetry of a localized exposure system in the millimeter wave band for In Vivo studies on ocular effects Reviewed
K. Sasaki, T. Sasaki, T. Nagaoka, K. Wake, S. Watanabe, M. Kojima, N. Hasanova, H. Sasaki, K. Sasaki, Y. Suzuki, M. Taki, Y. Kamimura, A. Hirata, H. Shirai
IEEE Transactions on Microwave Theory and Techniques 62 ( 7 ) 1554 - 1564 2014.07
Language：English Publishing type：Research paper (scientific journal)
-
Millimeter wave exposure induces cornea and lens epithelium damage Reviewed
153. M. Kojima, C.-Y. Tsai, Y. Suzuki, K. Sasaki, K. Wake, S. Watanabe, Y. Kamimura, A. Hirata, M. Taki, K. Sasaki, H. Sasaki
Proc. BioEM2014 PB-04 2014.06
Language：English Publishing type：Research paper (international conference proceedings)
-
75GHz millimeter wave exposure to eye: role of environment factors in effects Reviewed
PA-93 2014.06
Language：English Publishing type：Research paper (international conference proceedings)
-
Validation of magnetic field measurement close to wireless power transfer systems for exposure assessment Reviewed
PA-41 2014.06
Language：English Publishing type：Research paper (international conference proceedings)
-
Computation of temperature elevation in a foetus exposed to ambient heat and radio frequency fields Reviewed
A. Hirata, I. Laakso, Y. Ishii, T. Nomura, and K. H. Chan
Numerical Heat Transfer A: Applications 10 2014.05
Authorship：Lead author Language：English Publishing type：Research paper (scientific journal)
-
Wireless power transfer system applicable to an active implantable medical device Reviewed
T. Campei, S. Cruciani, M. Feliziani, A. Hirata
Proc. Wireless Power Transfer Conference 2014 134 - 137 2014.05
Language：English Publishing type：Research paper (international conference proceedings)
-
Relationship between Spatial-Averaged SAR and Temperature Elevation in Human Head Models from 1−10 GHz Reviewed
A. Hirata, S. Ohta, I. Laakso, O. Fujiwara
Proceedings of International Symposium on Electromagnetic Compatibility 2014.05
Authorship：Lead author Language：English Publishing type：Research paper (international conference proceedings)
-
Computational Dosimetry for Wireless Charging of an Electrical Vehicle Reviewed
I. Laakso, A. Hirata
Proceedings of International Symposium on Electromagnetic Compatibility 2014.05
Authorship：Lead author Language：English Publishing type：Research paper (international conference proceedings)
-
Applicability of Quasistatic Approximation for Exposure Assessment of Wireless Power Transfer Invited Reviewed
I. Laakso, T. Shimamoto, A. Hirata, M. Feliziani
Proceedings of International Symposium on Electromagnetic Compatibility 2014.05
Language：English Publishing type：Research paper (international conference proceedings)
-
Induced Field and SAR in Human Body Model Due to Wireless Power Transfer System with Induction Coupling Reviewed
T. Sunohara, I. Laakso, A. Hirata, T. Onishi
Proceedings of International Symposium on Electromagnetic Compatibility 2014.05
Language：English Publishing type：Research paper (international conference proceedings)
-
FDTD Computation of temperature elevation in the elderly for far-field RF exposures Reviewed
T. Nomura,I. Laakso and A. Hirata
Radiation Protection Dosimetry 158 ( 4 ) 497 - 500 2014.02
Language：English Publishing type：Research paper (scientific journal)
-
Effects of coil orientation on the electric field induced by TMS over the hand motor area Reviewed
59 ( 1 ) 203 - 218 2014.01
Language：English Publishing type：Research paper (scientific journal)
-
On the issues related to compliance of LF pulsed exposures with safety standards and guidelines Reviewed
V. De Santis, X.-L. Chen, I. Laakso, and A. Hirata
Physics in Medicine and Biology 59 2014.01
Language：English Publishing type：Research paper (scientific journal)
-
FDTD analysis of emission from capacitor with mechanical motion Reviewed
Y. Shimizu, A. Hirata, and M. Kuroda
Microwave and Optical Technology Letters 55 ( 12 ) 2821 - 2824 2013.12
Language：English Publishing type：Research paper (scientific journal)
-
Evaluation of induced electric field and compliance procedure for wireless power transfer system in an electrical vehicle Reviewed
I. Laakso and A. Hirata
Physics in Medicine and Biology 58 ( 21 ) 7583 - 7593 2013.11
Language：English Publishing type：Research paper (scientific journal)
-
Computation of induced electric field in the sacral nerve activation Reviewed
A. Hirata, J. Hattori, I. Laakso, A. Takagi, and T. Shimada
Physics in Medicine and Biology 58 ( 21 ) 7745 - 7756 2013.11
Authorship：Lead author Language：English Publishing type：Research paper (scientific journal)
-
Recent activities in numerical calculation related to human exposure to low frequency magnetic fields in Japan Reviewed
K. Yamazaki, A. Hirata, Y. Kamimura
CIGRE International Colloquium on Low Frequency Electromagnetic Fields 2013.10
Language：English Publishing type：Research paper (international conference proceedings)
-
Review of computational dosimetry for human due to contact current Reviewed
A. Hirata, K.-H. Chan, I. Laakso
CIGRE International Colloquium on Low Frequency Electromagnetic Fields 2013.10
Authorship：Lead author Language：English Publishing type：Research paper (international conference proceedings)
-
Validation of numerical dosimetry for contact current exposure with the actual measurement of induced electric field inside phantom in intermediate frequency band Reviewed
Y. Suzuki, S. Tamata, K. Alfred, A. Hirata
CIGRE International Colloquium on Low Frequency Electromagnetic Fields 2013.10
Language：English Publishing type：Research paper (international conference proceedings)
-
Confirmation of quasi-static approximation in SAR evaluation for wireless power trasnfer system Reviewed
A. Hirata, T. Ito, and I. Laakso
Physics in Medicine and Biology 58 ( 17 ) N241 - N249 2013.09
Authorship：Lead author Language：English Publishing type：Research paper (scientific journal)
-
Variability of SAR in different human models due to wireless power transfer with magnetic resonance Reviewed
A. Hirata, S. Tsuchida, I. Laakso
Proc. EMC Europe 89 - 92 2013.09
Authorship：Lead author Language：English Publishing type：Research paper (international conference proceedings)
-
Computational dosimetry for gournded and ungrounded human models due to contact current Reviewed
K.-H. Chan, J. Hattori, I. Laakso, A. Hirata, and M. Taki
Physics in Medicine and Biology 58 ( 15 ) 5153 - 5172 2013.08
Language：English Publishing type：Research paper (scientific journal)
-
Computational analysis shows why transcranial alternating current stimulation (tACS) includes retinal phosphenes Reviewed
Ilkka Laakso, Akimasa Hirata
Journal of Neural Engineering 10 ( 046009 ) 2013.08
Language：English Publishing type：Research paper (scientific journal)
-
Computation of temperature elevation in fetus due to radio-frequency exposure with a new thermal modeling Reviewed
A. Hirata, Y. Ishii, T. Nomura, I. Laakso
Proc. Int'l Conf. of IEEE Eng. Medicine and Biology Society 3753 - 3756 2013.07
Authorship：Lead author Language：English Publishing type：Research paper (international conference proceedings)
-
FDTD analysis of temperature elevation in the lens of human and rabbit phantoms due to near-field and far-field exposures at 2.45 GHz Reviewed
T. Oizumi, I. Laakso, A. Hirata, O. Fujiwara, S. Watanabe, M. Taki, M. Kojima, H. Sasaki, and K. Sasaki
Radiation Protection Dosimetry 155 ( 3 ) 284 - 291 2013.06
Language：English Publishing type：Research paper (scientific journal)
-
磁気共鳴型無線電力伝送に対する高速人体数値ドシメトリ解析 Reviewed
土田昌吾，ラークソイルッカ，平田晃正
電子情報通信学会論文誌(C) J96-C ( 6 ) 122 - 130 2013.06
Language：Japanese Publishing type：Research paper (scientific journal)
-
暑熱環境下の太陽光ばく露による体内温度上昇解析 Reviewed
大泉卓也，野村知輝，平田晃正
電気学会論文誌(A) 133 ( 5 ) 260 - 265 2013.05
Language：Japanese Publishing type：Research paper (scientific journal)
-
体内誘導電流シミュレーションによる電磁現象の理解増進と事後評価 Reviewed
平田晃正
電気学会論文誌(A) 133 ( 5 ) 266 - 270 2013.05
Authorship：Lead author Language：Japanese Publishing type：Research paper (scientific journal)
-
Compliance of induced quantities in human model for wireless power transfer system at 10 MHz Reviewed
T. Sunohara, I. Laakso, K.-H. Chan, A. Hirata
Proc. 2013 International Symposium on Electromagnetic Theory 831 - 834 2013.05
Language：English Publishing type：Research paper (international conference proceedings)
-
FDTD analysis of unwanted emissions from a variable capacitor with sinusoidal motion Reviewed
Y. Shimizu, A. Hirata, and M. Kuroda
Proc. 2013 International Symposium on Electromagnetic Theory 525 - 528 2013.05
Language：English Publishing type：Research paper (international conference proceedings)
-
Analysis of temperature elevation in older individuals for far-field microwave exposures Reviewed
T. Nomura,I. Laakso and A. Hirata
Proc. 2013 International Symposium on Electromagnetic Theory 369 - 372 2013.05
Language：English Publishing type：Research paper (international conference proceedings)
-
Investigation of SAR of dipole phased array antenna above EBG substrates Reviewed
K.-H. Chan, R. Ikeuchi, and A. Hirata
Proc. 2013 International Symposium on Electromagnetic Theory 354 - 357 2013.05
Language：English Publishing type：Research paper (international conference proceedings)
-
Computational estimation of threshold currents for electrophosphenes Reviewed
I. Laakso, A. Hirata
Proc. 2013 International Symposium on Electromagnetic Theory 350 - 353 2013.05
Language：English Publishing type：Research paper (international conference proceedings)
-
SAR in a simplified human model due to wireless power transfer with induction coupling Invited Reviewed
A. Hirata, T. Sunohara, I. Laakso, T. Onishi
Proceedings of European Conference on Antennas and Propagattions 1710 - 1713 2013.04
Language：English Publishing type：Research paper (international conference proceedings)
-
Effects of phase difference in dipole phased array antenna above EBG substrates on SAR Reviewed
K.-H. Chan, R. Ikeuchi, and A. Hirata
IEEE Antenna and Wireless Propagation Letters 12 579 - 582 2013.04
Language：English Publishing type：Research paper (scientific journal)
-
Akimasa Hirata, Ilkka Laakso, Takuya Oizumi, Ryuto Oizumi, Kwok Hung Chan, Joe Wiart
Physics in Medicine and Biology 58 ( 4 ) 903 - 921 2013.01
Authorship：Lead author Language：English Publishing type：Research paper (scientific journal)
-
A. Hirata, K. Yanase, I. Laakso, K.-H. Chan, O. Fujiwara, T. Nagaoka, S. Watanabe, E. Conil, J. Wiart
Physics in Medicine and Biology 2012.11
Language：English Publishing type：Research paper (scientific journal)
-
Fast multigrid based computation of induced electric field for transcranial magnetic stimulation Reviewed
I. Laakso, A. Hirata
Physics in Medicine and Biology 2012.11
Language：English Publishing type：Research paper (scientific journal)
-
Variability of SAR In human models due to wireless power transmission with magnetic resonance Reviewed
2012.11
Language：English Publishing type：Research paper (international conference proceedings)
-
Quasi-static computational electromagnetic analysis for dosimetry in grounded and ungrounded body due to contact current Reviewed
Proc. Pan-Pacific EMC Joint Meeting 2012.11
Language：English Publishing type：Research paper (international conference proceedings)
-
Computational techniques for determining in-vivo threshold electric field and current for magnetophosphenes Reviewed
2012.11
Language：English Publishing type：Research paper (international conference proceedings)
-
Temperature elevation in the human body model for RF plane-wave exposure Reviewed
2012.10
Authorship：Lead author Language：English Publishing type：Research paper (international conference proceedings)
-
SAR and radiation characteristics of a dipole antenna above different finite EBG substrates in the presence of a realistic head model in the 3.5 GHz band Reviewed
R. Ikeuchi, K.-H. Chan, A. Hirata
Progress in Electromagnetic Research B 2012.09
Language：English Publishing type：Research paper (scientific journal)
-
Computational analysis of thresholds for magnetophosphenes Reviewed
I. Laakso, A. Hirata
Physics in Medicine and Biology 2012.09
Language：English Publishing type：Research paper (scientific journal)
-
SAR and radiation characteristics of dipole antenna above finite EBG substrate in presence of cubic head model Reviewed
R. Ikeuchi, A. Hirata
EMC Europe 2012.09
Language：English Publishing type：Research paper (international conference proceedings)
-
FDTD analysis of induced electric field in pheripheral nerve of human body models due to contact current Reviewed
A. Hirata T. Koyama, J. Hattori, and K.-H. Chan
EMC Europe 2012.09
Language：English Publishing type：Research paper (international conference proceedings)
-
Investigation of ocular temperature change in rabbits during 40 GHz band exposure Reviewed
M. Kojima, N. Hasanova, Y. Suzuki, K. Sasaki, K. Wake, S. Watanabe, M. Taki, Y. Kamimura, A. Hirata, K. Sasaki, H. Sasaki
EMC Europe 2012.09
Language：English Publishing type：Research paper (international conference proceedings)
-
Improving the computational speed and reducing the staircasing error for simulations of human exposure to low frequency magnetic fields Invited Reviewed
I. Laakso, A. Hirata
EMC Europe 2012.09
Language：English Publishing type：Research paper (international conference proceedings)
-
FDTD analysis of temperature elevation in the human and rabbit phantoms due to plane-wave exposure at 2.45GHz Reviewed
T. Oizumi, I. Laakso, and A. Hirata
EMC Europe 2012.09
Language：English Publishing type：Research paper (international conference proceedings)
-
A. Hirata, T. Nomura, I. Laakso
Physiological Measrurement 33 ( 8 ) N51 - N60 2012.07
Authorship：Lead author Language：English Publishing type：Research paper (scientific journal)
-
Evaluation of SAR in a human body model due to wireless power transmission in the 10 MHz band Reviewed
I. Laakso, S. Tsuchida, A. Hirata, Y. Kamimura
Physics in Medicine and Biology 57 ( 15 ) 4991 - 5002 2012.07
Language：English Publishing type：Research paper (scientific journal)
-
Dispersive FDTD analysis of induced electric field in human models due to electrostatic discharge Reviewed
A. Hirata, T. Nagai, T. Koyama, J. Hattori, K-H. Chan, and R. Kavet
Physics in Medicine and Biology 57 4447 - 4458 2012.06
Authorship：Lead author Language：English Publishing type：Research paper (scientific journal)
-
Temperature elevation in Japanese male model for plane wave exposure from 30 MHz to 6 GHz Reviewed
A. Hirata, R. Hanatani, I. Laakso
Korea-Japan Joint Conference 2012.05
Authorship：Lead author Language：English Publishing type：Research paper (international conference proceedings)
-
接触電流に対する体内誘導量評価における準静的FDTD法の有効性の検討 Reviewed
服部潤哉，平田晃正
電子情報通信学会論文誌(C) J95-C ( 4 ) 84 - 87 2012.04
Language：Japanese Publishing type：Research paper (scientific journal)
-
ダイポールアンテナによる頭部内温度上昇の血流によるばらつきの検討 Reviewed
浅井龍一，ラークソ イルッカ，平田晃正
電子情報通信学会(B) J95-B ( 2 ) 385 - 387 2012.02
Language：Japanese Publishing type：Research paper (scientific journal)
-
人体および家兎眼球への2.45GHzマイクロ波局所曝露による体内温度上昇解析 Reviewed
大泉卓也，ラークソ イルッカ，平田晃正，藤原修，渡辺聡一，小島正美，佐々木洋，佐々木一之
電子情報通信学会(B) J95-B ( 2 ) 381 - 384 2012.02
Language：Japanese Publishing type：Research paper (scientific journal)
-
Reducing the staircasing error in computational dosimetry of low-frequency electromagnetic fields Reviewed
57 ( 4 ) N25 - N34 2012.01
Language：English Publishing type：Research paper (scientific journal)
-
人体皮膚組織を対象とした開放終端同軸プローブによる複素比誘電率のin-vivo測定 Reviewed
佐藤祐介，平田晃正，藤原修
電気学会論文誌(A) 131 2040 - 2045 2011.12
Language：Japanese Publishing type：Research paper (scientific journal)
-
56 ( 23 ) 7639 - 7657 2011.12
Authorship：Lead author Language：English Publishing type：Research paper (scientific journal)
-
Dipole antenna above EBG substrate for local SAR reduction Reviewed
IEEE Antennas and Wireless Propagation Letters 2011.11
Language：English Publishing type：Research paper (scientific journal)
-
Dipole antenna above EBG substrate for local SAR reduction in human head Reviewed
R. Ikeuchi and A. Hirata
Korea-Japan Microwave Conference 2011.11
Language：English Publishing type：Research paper (international conference proceedings)
-
Calculation of the effective resistance of human models grounded at respective resonance frequencies Reviewed
K. Yanase, A. Hirata
Korea-Japan Microwave Conference 2011.11
Language：English Publishing type：Research paper (international conference proceedings)
-
Effective resistance of grounded humans for whole-body averaged SAR estimation at resonance frequencies Reviewed
K. Yanase, A. Hirata
Progress in Electromagnetic Research B 2011.10
Language：English Publishing type：Research paper (scientific journal)
-
A numerical analysis of temperature elevation in a rabbit ocular with localized and uniformed exposure conditions at 60 GHz Invited
K. Sasaki, K. Wake, Y. Suzuki, M. Kojima, S. Watanabe, and A. Hirata
Proc. of International Symposium on Applied Sciences in Biomedical and Communication Technologies 2011.10
Language：English Publishing type：Research paper (international conference proceedings)
-
Dominant factors affecting temperature elevation in adult and child models exposed to solar radiation in hot environment Reviewed
Progress in Electromagnetic Research B, 34 47 - 61 2011.09
Language：English Publishing type：Research paper (scientific journal)
-
Body core temperature estimation using new compartment model with vital data from wearable devices Reviewed International journal
A. Hirata, T. Miyazawa, R. Uematsu, S. Kodera, Y. Hashimoto, K. Takagahara, Y. Higuchi, H. Togo, T. Kawahara, H. Tanaka
IEEE Access 9 124452 - 124462 2011.09
Authorship：Lead author Language：English Publishing type：Research paper (scientific journal) Publisher：IEEE
-
電気電子工学系大学生の入学動機の時系列変化および大学間における相違の調査 Reviewed
加藤正史，平田晃正，大原繁夫，江龍修，丸田章博
電気学会論文誌(A) 131 ( 8 ) 635 - 636 2011.08
Language：Japanese Publishing type：Research paper (scientific journal)
-
Variability of temperature elevation in anatomically-based human body models Invited
Proc. URSI General Assembly Scientific Symposium KAE.8 2011.08
Authorship：Lead author Language：English Publishing type：Research paper (international conference proceedings)
-
Fetus RF exposure analysis. Preliminary results based on three realistic 3D digital models Invited
J. Wiart, S. Watanabe, I. Bloch, J. Anquez, J. P. de la Plata Alcade, E. Angelini, T. Boubekeur, N. Faraj, C. Person, Y. Pinto, N. Varsier, T. Kientega, M. Jala, A. Hadjem, A. Gati, M.-F. Wong, E. Conil, B. Sudret, T. Nagaoka, K. Wake, O. Fujiwara, A. Hirata, J. Wang, K. Saito, M. Takahashi, and K. Ito
Proc. URSI General Assembly Scientific Symposium KAE.6 2011.08
Language：English Publishing type：Research paper (international conference proceedings)
-
Investigation of acute ocular injury threshold by 76 GHz band exposure in rabbits Reviewed
Proc. URSI General Assembly Scientific Symposium K06.9 2011.08
Language：English Publishing type：Research paper (international conference proceedings)
-
Computational Uncertainty of In-Situ Electric Field in Biological Bodies Due to Contact Current at IF Reviewed
J. Hattori, A. Hirata, O. Fujiwara, Y. Suzuki
Proc. Annual Meeting of Bioelectromagnetics Society 2011.06
Language：English Publishing type：Research paper (international conference proceedings)
-
SAR evaluation for multiple-antenna transmitter close to the body Reviewed
T. Onishi, T. Nagaoka, T. Iyama, L. Hamada, S. Watanabe, and A. Hirata
Proc. Annual Meeting of Bioelectromagnetics Society 2011.06
Language：English Publishing type：Research paper (international conference proceedings)
-
Exposure of fetuses to RF. preliminary results assessed with different realistic 3D numerical models Reviewed
J. Wiart, S. Watanabe, I. Bloch, J. Anquez, J. P. de la Plata Alcade, E. Angelini, T. Boubekeur, N. Faraj, C. Person, Y. Pinto, N. Varsier, T. Kientega, M. Jala, A. Hadjem, A. Gati, M.-F. Wong, E. Conil, B. Sudret, T. Nagaoka, K. Wake, O. Fujiwara, A. Hirata, J. Wang, K. Saito, M. Takahashi, K. Ito
Proc. Annual Meeting of Bioelectromagnetics Society 2011.06
Language：English Publishing type：Research paper (international conference proceedings)
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Electric field induced in retina and brain at threshold magnetic flux density causing magnetophosphenes Reviewed
A. Hirata, Y. Takano, O. Fujiwara, T. Dovan, and R. Kavet
Physics in Medicine and Biology 56 4091 - 4101 2011.06
Authorship：Lead author Language：English Publishing type：Research paper (scientific journal)
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Propagation of UWB electromagnetic noise due to electrostatic discharge on the human body
A. Hirata, T. Nagai, T. Koyama, O. Fujiwara
Proc. Asia-Pacific Electromagnetic Compatibility 2011.05
Authorship：Lead author Language：English Publishing type：Research paper (international conference proceedings)
-
Conservative estimation of whole-body averaged SAR in grounded human models for plane wave exposure at resonant frequencies Reviewed
A. Hirata, K. Yanase, O. Fujiwara, T. Nagaoka, S. Watanabe
Proc. Asia-Pacific Electromagnetic Compatibility 2011.05
Language：English Publishing type：Research paper (international conference proceedings)
-
乳幼児の体型に基づくGHz帯全身平均SARの不確実性 Reviewed
三輪紘睦，平田晃正，藤原修，長岡智明，渡辺聡一
電気学会論文誌(A) 131 ( 2 ) 2011.02
Language：Japanese Publishing type：Research paper (scientific journal)
-
Concomitant increase in local cerebral blood flow and temperature during local exposure to radiofrequency electromagnetic field of the rat brain, Reviewed
H. Masuda, A. Hirata, H. Kawai, K. Wake, S. Watanabe, T. Arima, F. P. de Gannes, I. Lagroye, and B. Veyret
Journal of Applied Physiology 2011.02
Language：English Publishing type：Research paper (scientific journal)
-
Acute ocular damage threshold of 60 GHz millimeter-wave band exposure Reviewed
M. Kojima, H. Sasaki, K. Sasaki, T. Sakai, K. Wake, S. Watanabe, Y. Kamimura, A. Hirata, Y. Suzuki, M. Taki
Int’l Congress of the European Bioelectromagnetics Associateion 2011.02
Language：English Publishing type：Research paper (international conference proceedings)
-
Computational uncertainty of induced electric field in human body due to contact current Reviewed
A. Hirata, J. Hattori, Y. Takano, O. Fujiwara, Y. Suzuki
Int’l Congress of the European Bioelectromagnetics Associateion 2011.02
Authorship：Lead author Language：English Publishing type：Research paper (international conference proceedings)
-
低周波電磁界曝露に対する数値日本人モデルにおける基本制限と参考レベルの関係 Reviewed
高野志規，平田晃正，藤原修
電気学会論文誌(A) 130 ( 12 ) 1087 - 1091 2010.12
Language：Japanese Publishing type：Research paper (scientific journal)
-
1.5GHz帯マイクロ波局所ばく露によるラット内温度上昇のモデル化
金井侑也，平田晃正，藤原修，増田宏，河井寛記，有馬卓司，渡辺聡一
電子情報通信学会論文誌(C) J93-C ( 12 ) 638 - 646 2010.12
Language：English Publishing type：Research paper (scientific journal)
-
Evaluation of SAR and temperature elevation using Japanese anatomical human models for body-worn devices Reviewed
T. Onish, T. Iyama, L. Hamada, S. Watanabe, and A. Hirata
IEICE Transactions on Communications E93-B ( 12 ) 3643 - 3646 2010.12
Language：English Publishing type：Research paper (scientific journal)
-
Review on correlation between peak spatial-averaged SAR and temperature elevation in human head for localized microwave exposure Invited Reviewed
A. Hirata and O. Fujiwara
Asia-Pacific Radio Science Conference 2010.09
Authorship：Lead author Language：English Publishing type：Research paper (international conference proceedings)
-
Verification of safety guidelines for 60 GHz millimeter wave ocular exposure Invited Reviewed
M. Kojima, Y. Yamashiro, H. Sasaki, K. Sasaki, T. Sakai, K. Wake, S. Watanabe, Y. Kamimura, A. Hirata, Y. Suzuki, and M. Taki
Asia-Pacific Radio Science Conference 2010.09
Language：English Publishing type：Research paper (international conference proceedings)
-
Y. Takano and A. Hirata
Asia-Pacific Radio Science Conference 2010.09
Language：English Publishing type：Research paper (international conference proceedings)
-
Calculation of whole-body average SAR in infant models for far-field exposure over GHz frequencies Reviewed
A. Hirata, N. Ito, O. Fujiwara, T. Nagaoka, and S. Watanabe
EMC Europe 2010.09
Authorship：Lead author Language：English Publishing type：Research paper (international conference proceedings)
-
Estimation of whole-body averaged SAR of grounded human at resonance frequency from ankle current of simplified phantom Reviewed
A. Hirata, O. Fujiwara, T. Nagaoka, and S. Watanabe
EMC Europe 2010.09
Authorship：Lead author Language：English Publishing type：Research paper (international conference proceedings)
-
In-situ electric fields causing electro-stimulation from conductor contact of charged human Reviewed
T. Nagai, A. Hirata
Radiation Protection Dosimetry 140 ( 4 ) 351 - 356 2010.08
Language：English Publishing type：Research paper (scientific journal)
-
FDTD modeling of UWB noise propagation on human body Reviewed
A. Hirata and T. Nagai
2010 IEEE International Symposium on Antennas and Propagation and USNC/URSI National Radio Science Meeting 2010.08
Authorship：Lead author Language：English Publishing type：Research paper (international conference proceedings)
-
Correlation between peak spatial-average SAR and maximum temperature elevation in layered cubical model in the frequency range above 3 GHz Reviewed
A. Hirata, K. Sugiura, Y. Kanai, and O. Fujiwara
URSI International Symposium on Electromagnetic Theory 2010.08
Authorship：Lead author Language：English Publishing type：Research paper (international conference proceedings)
-
Parameter variation effects on temperature elevation in a steady state, 1 dimensional, thermal model for millimeter wave exposure of 1 and 3 layer human tissue Reviewed
A. Kanezaki, A. Hirata, S. Watanabe, and H. Shirai
Physics in Medicine and Biology, 55 4647 - 4659 2010.07
Language：English Publishing type：Research paper (scientific journal)
-
Comparison of temperature in ocular tissues by 18-40 GHz radio frequency exposure Reviewed
Y. Yamashiro, A. Hirata, K. Sato, M. Kojima, T. Sakai, S. Watanabe, K. Wake, M. Taki, Y. Suzuki, Y. Kamimura, Y. Sakamoto, Y. Kawakami, K. Sasaki, and H. Sasaki
Annual Meeting of Bioelectromagnetics Society 2010.06
Language：English Publishing type：Research paper (international conference proceedings)
-
Relationship between SAR and temperature elevation for body-worn devices Reviewed
T. Onishi, T. Iyama, L. Hamada, S. Watanabe, and A. Hirata
Relationship between SAR and temperature elevation for body-worn devices 2010.06
Language：English Publishing type：Research paper (international conference proceedings)
-
Computational model of temperature elevation in rats exposed to intense and localized exposure at 1.5 GHz Reviewed
A. Hirata, Y. Kanai, O. Fujiwara, H. Masuda, H. Kawai, T. Arima, S. Watanabe, I. Lagroye, B. Veyret
Annual Meeting of Bioelectromagnetics Society 2010.06
Authorship：Lead author Language：English Publishing type：Research paper (international conference proceedings)
-
Effect of averaging volume on induced electric field in human for electric and magnetic field exposures Reviewed
A. Hirata, Y. Takano, and O. Fujiwara
Annual Meeting of Bioelectromagnetics Society 2010.06
Authorship：Lead author Language：English Publishing type：Research paper (international conference proceedings)
-
A. Hirata, M. Kojima, H. Kawai, Y. Yamashiro, S. Watanabe, H. Sasaki, O. Fujiwara
IEEE Transactions on Biomedical Engineering 57 ( 5 ) 1234 - 1242 2010.05
Language：English Publishing type：Research paper (scientific journal)
-
A. Hirata, K. Yamazaki, S. Hamada, Y. Kamimura, H. Tarao, K. Wake, Y. Suzuki, N. Hayashi, O. Fujiwara
Radiation Protection Dosimetry 138 ( 3 ) 237 - 244 2010.05
Language：English Publishing type：Research paper (scientific journal)
-
Effect of averaging volume and algorithm on in-situ electric field for uniform electric and magnetic field exposures Reviewed
A. Hirata, Y. Takano, Y. Kamimura and O. Fujiwara
Physics in Medicine and Biology 55 N243 - N252 2010.05
Authorship：Lead author Language：English Publishing type：Research paper (scientific journal)
-
A. Hirata, O. Fujiwara, T. Nagaoka, and S. Watanabe
IEEE Transactions on Electromagnetic Compatibility 2010.04
Language：English Publishing type：Research paper (scientific journal)
-
Temperature elevation in Japanese head models for local SAR with different averaging mass Invited Reviewed
A. Hirata and O. Fujiwara
Asia-Pacific Electromagnetic Compatibility Symposium 2010.04
Authorship：Lead author Language：English Publishing type：Research paper (international conference proceedings)
-
Quasi-static FDTD method for dosimetry in human due to contact current Reviewed
A. Hirata, Y. Takano, and T. Nagai
IEICE Trnasactions on Electronics E93-C ( 1 ) 60 - 65 2010.01
Language：English Publishing type：Research paper (scientific journal)
-
学習・教育目標を利用した要素別GPA 分析による学修指導の試み Reviewed
大原繁男，森田良文，平田晃正，加藤正史，江龍修
電気学会論文誌（A) 130 ( 1 ) 123 - 124 2010.01
Language：Japanese Publishing type：Research paper (scientific journal)
-
成績評価におけるばらつきに関する一検討 Reviewed
平田晃正，菊間信良，平野智
電気学会論文誌（A) 電気学会 130 ( 1 ) 121 - 122 2010.01
Language：Japanese Publishing type：Research paper (scientific journal)
-
0.3-6GHz帯遠方界曝露の幼児モデルに対する全身平均SARのConservative推定 Reviewed
平田晃正，長屋義雄，伊藤亨基，藤原修，長岡智明，渡邊聡一
電気学会論文誌（C) 電気学会 131 ( 12 ) 2102 - 2107 2009.12
Language：Japanese Publishing type：Research paper (scientific journal)
-
SAR Averaging Mass to Correlate with Temperature Elevation Due to Dipole Antenna from 1 to 6 GHz Reviewed
Proceedings of Asia-Pacific Microwave Conference TU4P - 18 2009.12
Language：English Publishing type：Research paper (scientific journal)
-
Comparison of temperature elevation in ocular tissue by 18-40 GHz radiofrequency exposure Reviewed
Y. Yamashiro, M. Kojima, A. Hirata, T. Sakai, S. Watanabe, M. Taki, Y. Sakamoto, K. Sasaki, H. Sasaki
US-Japan Cooperative Cataract Research Group Meeting 2009.12
Language：English Publishing type：Research paper (scientific journal)
-
Estimation of core temperature elevation in humans and animals for whole-body averaged SAR Reviewed
A. Hirata, H. Sugiyama, and O. Fujiwara
Progress in Electromagnetic Research 99 221 - 237 2009.11
Language：English Publishing type：Research paper (scientific journal)
-
Physics in Medicine and Biology
Physics in Medicine and Biology 54 7227 - 7238 2009.11
Language：English Publishing type：Research paper (scientific journal)
-
Computational electromagnetic dosimetry of a human body in a vehicle for plane-wave exposure Reviewed
A. Hirata
IEEJ Transactions on Fundamentals and Materials 129 ( 10 ) 725 - 726 2009.10
Publishing type：Research paper (scientific journal)
-
Estimation of core temperature elevation in humans and animals for radio-frequency exposures Reviewed
A. Hirata, H. Sugiyama, and O. Fujiwara
World Congress on Medical Physics and Biomedical Engineering 2009.09
Language：English Publishing type：Research paper (scientific journal)
-
Effects of electrical parameters on skin heating due to millimeter wave exposure Reviewed
A. Kanezaki, S. Watanabe, A. Hirata, and H. Shirai
Biomedical Engineering Online 8 20 2009.09
Language：English Publishing type：Research paper (scientific journal)
-
グラウンド層にスリットを有するプリント回路基板の直交配線間におけるFM帯クロストークのFDTD計算 Reviewed
上山博也，前野剛，平田晃正，王建青，藤原修
電気学会論文誌（C) 129 ( 9 ) 1642 - 1647 2009.09
Language：Japanese Publishing type：Research paper (scientific journal)
-
Intercomparison of induced fields in Japanese male model TARO due to magnetic field exposures Reviewed
K. Yamazaki, A. Hirata, S. Hamada, Y. Kamimura, H. Tarao, K. Wake, Y. Suzuki, N. Hayashi, and O. Fujiwara
Proceedings of International Symposium on Electromagnetic Compatibility 181 - 184 2009.07
Language：English Publishing type：Research paper (international conference proceedings)
-
Estimation of whole-body averaged SARs in human models for far-field exposures in whole-body resonance and GHz frequency regions Reviewed
A. Hirata, O. Fujiwara, T. Nagaoka, and S. Watanabe
Proceedings of International Symposium on Electromagnetic Compatibility 69 - 72 2009.07
Language：English Publishing type：Research paper (international conference proceedings)
-
Computational dosimetry on contact currents from charged human body Reviewed
T. Nagai, A. Hirata, and O. Fujiwara
Proceedings of International Symposium on Electromagnetic Compatibility 465 - 468 2009.07
Language：English Publishing type：Research paper (international conference proceedings)
-
A Formula for simply estimating body core temperature rise in humans due to microwave exposures Reviewed
A. Hirata, H. Sugiyama, and O. Fujiwara
Proceedings of International Symposium on Electromagnetic Compatibility 381 - 384 2009.07
Language：English Publishing type：Research paper (international conference proceedings)
-
Acute ocular injuries caused by 60-GHz millimeter-wave exposure Reviewed
M. Kojima, M. Hanazawa, Y. Yamashiro, H. Sasaki, S. Watanabe, M. Taki, Y. Suzuki, A. Hirata, Y. Kamimura, and K. Sasaki
Health Physics 97 ( 3 ) 212 - 218 2009.06
Language：English Publishing type：Research paper (scientific journal)
-
A. Hirata, K. Wake, S. Watanabe, and M. Taki
Radiation Protection Dosimetry 135 ( 4 ) 272 - 275 2009.06
Language：English Publishing type：Research paper (scientific journal)
-
Time variation of blood temperature in bioheat equation and its application to RF dosimetry Reviewed
A. Hirata and O. Fujiwara
BioEM2009 2009.06
Language：English Publishing type：Research paper (international conference proceedings)
-
Variability of whole-body averaged SAR in models of adults and children for plane-wave exposure Reviewed
A. Hirata, O. Fujiwara, T. Nagaoka, and S. Watanabe
BioEM 2009 2009.06
Language：English Publishing type：Research paper (international conference proceedings)
-
FDTD modeling of core temperature variation in rabbits for RF exposure Reviewed
A. Hirata and O. Fujiwara
2009 Korea-Japan Join Conference on AP/EMC/EMT 247 - 250 2009.05
Language：English Publishing type：Research paper (international conference proceedings)
-
Modeling core temperature variation in the bioheat equation and its application to temperature analysis due to RF exposure Reviewed
A. Hirata and O. Fujiwara
Physics in Medicine and Biology 54 N186 - 196 2009.05
Language：English Publishing type：Research paper (scientific journal)
-
帯電人体からの接触電流のFDTDシミュレーション Reviewed
永井稔大，平田晃正，藤原修
電子情報通信学会論文誌(B) J91-B ( 5 ) 898 - 902 2009.05
Publishing type：Research paper (scientific journal)
-
Effect of electromagnetic polarization on whole-body average SAR in infant model for far-field exposures Reviewed
A. Hirata, O. Fujiwara, and T. Shiozawa
International Review of Progress in Applied Computational Electromagnetics 12 - 5 2009.03
Publishing type：Research paper (other academic)
-
Double-sided printed bow-tie antenna with notch filter for UWB applications Reviewed
Akimasa Hirata
Journal of Electromagnetic Waves and Applications 23 247 - 253 2009.02
Publishing type：Research paper (scientific journal)
-
Akimasa HIRATA, Naoki ITO, Osamu FUJIWARA
Physics in Medicine and Biology 54 N59 - N65 2009.02
Publishing type：Research paper (scientific journal)
-
Effect of electromagnetic polarization on whole-body average SAR in infant model for far-field exposures Reviewed
A. Hirata, N. Ito, and O. Fujiwara
International Zurich Symposium on Electromagnetic Compatibility 2009.01
Publishing type：Research paper (scientific journal)
-
Akimasa Hirata and Tsuyoshi Ida
IEEE Antenna and Wireless Propagations Letters 7 625 - 628 2008.12
Publishing type：Research paper (scientific journal)
-
Theoretical analysis for temperature elevation of human body due to millimeter wave exposure Reviewed
Akio KANEZAKI, Soichi WATANABE, Akimasa HIRATA, Hiroshi SHIRAI
The 4th Cairo International Biomedical Engineering Conference 2008 SB - 62 2008.12
Publishing type：Research paper (other academic)
-
Variability of whole-body average SAR in human models for far-field exposures Reviewed
2008 Asia-Pacific Microwave Conference A3 - 12 2008.12
Publishing type：Research paper (other academic)
-
Akimasa Hirata, Naoki Ito, Osamu Fujiwara, Tomoaki Nagaoka, and Soichi Watanabe
Physics in Medicine and Biology 53 7215 - 723 2008.11
Publishing type：Research paper (scientific journal)
-
Intercomparison of whole-body averaged SAR in European and Japanese voxel phantoms Reviewed
Peter Dimbylow, Akimasa Hirata, and Osamu Fujiwara
Physics in Medicine and Biology 53 5883 - 5897 2008.10
Publishing type：Research paper (scientific journal)
-
Development of thermal model in a child and its application to dosimetry due to RF whole-body exposures Reviewed
Akimasa HIRATA, Takayuki ASANO, Osamu FUJIWARA
Proceedings of 30th Annual International Conference of the IEEE Engineering in Medicine and Biology Society 3277 - 3280 2008.08
Publishing type：Research paper (other academic)
-
Thermal dosimetry in human for microwave exposures Reviewed
Akimasa HIRATA and Osamu FUJIWARA
Proceedings of URSI General Assembly 2008.08
Publishing type：Research paper (other academic)
-
FDTD analysis of body-core temperature elevation in children and adults for whole-body exposure Reviewed
Akimasa Hirata, Takayuki Asano, Osamu Fujiwara
Physics in Medicine and Biology 53 pp.5223 - 5238 2008.07
Publishing type：Research paper (scientific journal)
-
Theoretical analysis of temperature elevation in a human body exposed to millimeter wave Reviewed
Akio KANEZAKI, Taiji SAKAI, Soichi WATANABE, Akimasa HIRATA, and. Hiroshi SHIRAI
The 24th Progress In Electromagnetics Research Symposium 682 2008.07
Publishing type：Research paper (other academic)
-
Akimasa Hirata, Hironori Sugiyama, Masami Kojima, Hiroki Kawai, Yoko Yamashiro, Osamu Fujiwara, Soichi Watanabe, and Kazuyuki Sasaki
Physics in Medicine and Biology 53 3391 - 3404 2008.06
Publishing type：Research paper (scientific journal)
-
Effect of SAR average mass on correlation with temperature elevation in Japanese head model Reviewed
Akimasa HIRATA, Kazuyuki SHIRAI, and Osamu FUJIWARA
2008 Asia-Pacific Symposium on Electromagnetic Compatibility 132 - 136 2008.05
Publishing type：Research paper (other academic)
-
On averaging mass of SAR correlating with temperature elevation due to a dipole antenna Reviewed
Akimasa Hirata, Kazuyuki Shirai, Osamu Fujiwara
Progress in Electromagnetic Research 84 221 - 237 2008.04
Publishing type：Research paper (scientific journal)
-
Computation of temperature elevation in rabbit eye irradiated by 2.45-GHz exposure systems
Akimasa Hirata, Soichi Watanabe, Masao Taki, Osamu Fujiwara, Masami Kojima, and Kazuyuki Sasaki
Health Physics 94 ( 2 ) 134 - 144 2008.02
Publishing type：Research paper (scientific journal)
-
人体の吸収断面積と体表面積の相関性に基づくGHz帯全身平均SARの予測式と不確定性 Reviewed
長屋 義雄，平田晃正，藤原修，長岡智明，渡邊 聡一
電子情報通信学会論文誌(B) J91-B ( 2 ) 199 - 206 2008.02
Publishing type：Research paper (scientific journal)
-
FDTD computation of temperature elevation in human body for RF far-field exposure Reviewed
A. Hirata, T. Asano, and O. Fujiwara
Proceedings of 29th Annual International Conference of the IEEE Engineering in Medicine and Biology Society 1164 - 1167 2007.08
Publishing type：Research paper (other academic)
-
FDTD modelings for electrostatic discharge from charged human-body Reviewed
A. Hirata, C. Mori, and O. Fujiwara
Proceedings of International URSI Commission B Electromagnetic Theory Symposium R19 - 39 2007.08
Publishing type：Research paper (other academic)
-
A formula for predicting whole-body average SAR in human models for far-field exposure at GHz bands Reviewed
A. Hirata, Y. Nagaya, O. Fujiwara, T. Nagaoka, and S. Watanabe
Bioelectromagnetics 2007 2 - 6 2007.06
Publishing type：Research paper (other academic)
-
Temperature elevation in the eye of Japanese male and female models for plane wave exposure Reviewed
Akimasa Hirata, Soichi Watanabe, Osamu Fujiwara, Masami Kojima, Kazuyuki Sasaki, and Toshiyuki Shiozawa
Physics in Medicine and Biology 52 6389 - 6399 2007.04
Publishing type：Research paper (scientific journal)
-
Improved heat transfer modeling of the eye for electromagnetic wave exposures Reviewed
A. Hirata
IEEE Transactions on Biomedical Engineering 54 2007.04
Publishing type：Research paper (scientific journal)
-
Akimasa Hirata, Takayuki Asano, and Osamu Fujiwara
Physics in Medicine and Biology 52 5013 - 5023 2007.04
Publishing type：Research paper (scientific journal)
-
Dosimetry in Japanese male and female models for low-frequency electric field Reviewed
Akimasa Hirata and Osamu Fujiwara
Physics in Medicine and Biology 52 N339 - N343 2007.04
Publishing type：Research paper (scientific journal)
-
Dominant factors influencing whole-body average SAR due to far-field exposure in whole-body resonance frequency and GHz regions Reviewed
A. Hirata, S. Kodera, J. Wang, and O. Fujiwara
Bioelectromagnetics 28 484 - 487 2007.04
Publishing type：Research paper (scientific journal)
-
A. Hirata, S. Watanabe, M. Kojima, I. Hata, K. Wake, M. Taki, K. Sasaki, O. Fujiwara, and T. Shiozawa
Bioelectromagnetics 27 602 - 612 2006.12
Publishing type：Research paper (scientific journal)
-
Time-domain mathematical model of impulsive EM noises emitted from discharges Reviewed
T. Okazaki, A. Hirata, and Z. Kawasaki
Journal of Electromagnetic Waves and Applications 20 ( 12 ) 1681 - 1694 2006.12
Publishing type：Research paper (scientific journal)
-
加速度センサを用いた運動体速度の時間領域測定 Reviewed
古山和典，野呂光生，平田晃正，藤原修
電気学会論文誌(C) 126 ( 12 ) 1533 - 1534 2006.12
Publishing type：Research paper (scientific journal)
-
A formula for predicting whole-body average SAR in Japanese models for far-field exposures Reviewed
A. Hirata, Y. Nagaya, O. Fujiwara, T. Nagaoka, and S. Watanabe
International Symposium on Antennas and Propagation 2006.11
Publishing type：Research paper (other academic)
-
Correlation between peak SAR and maximum temperature increase due to dipole antenna above 3 GHz Reviewed
A. Hirata, O. Fujiwara, and T. Shiozawa
International Symposium on Antennas and Propagation 2006.11
Publishing type：Research paper (other academic)
-
Mechanism for double-humped frequency characteristics of whole-body average SAR due to far-field exposure at ICNIRP reference level
A. Hirata, S. Kodera, J. Wang, and O. Fujiwara
EMC Europe 598 - 602 2006.09
Publishing type：Research paper (other academic)
-
A. Hirata, M. Fujimoto, T. Asano, J. Wang, O. Fujiwara, T. Shiozawa
IEEE Transactions on Electromagnetic Compatibility 48 ( 3 ) 569 - 578 2006.08
Publishing type：Research paper (scientific journal)
-
SAR characteristics of a human standing on low-loss ground plane exposed to VHF electromagnetic plane wave Reviewed
S. Watanabe, K. Arai, T. Nagaoka, M. Taki, A. Hirata, J. Wang, O. Fujiwara, T. Uno
Progress in Electromagnetic Research Symposium 2006 2006.08
Publishing type：Research paper (other academic)
-
Review of thermal elevation due to handset antennas Reviewed
A. Hirata, O. Fujiwara, and T. Shiozawa
Progress in Electromagnetic Research Symposium 2006 66 2006.08
Publishing type：Research paper (other academic)
-
Induced currents in realistic Japanese models due to power-frequency electric fields Reviewed
A. Hirata and O. Fujiwara
Progress in Electromagnetic Research Symposium 2006 442 2006.08
Publishing type：Research paper (other academic)
-
FDTD calculation of temperature-rise in human body for far field exposure at ICNIRP reference level Reviewed
T. Asano, A. Hirata, and O. Fujiwara
Progress in Electromagnetic Research Symposium 2006 56 2006.08
Publishing type：Research paper (other academic)
-
A. Hirata, O. Fujiwara, and T. Shiozawa
IEEE Transactions on Biomedical Engineering 53 ( 8 ) 1658 - 1663 2006.08
Publishing type：Research paper (scientific journal)
-
EM absorption mechanism of human body model for far-field exposure in whole-body resonance frequency and GHz regions Reviewed
A. Hirata, S. Kodera, J. Wang, and O. Fujiwara
BEMS Annual Meeting 2006 S12 - 4 2006.06
Publishing type：Research paper (other academic)
-
Temperature rise in eyes of Japanese male and female models due to far-field microwave exposures Reviewed
A. Hirata, S. Watanabe, O. Fujiwara, T. Shiozawa, M. Kojima, and K. Sasaki
BEMS Annual Meeting 2006 S14 - 1 2006.06
Publishing type：Research paper (other academic)
-
FDTD modeling of air discharge with ESD gun Reviewed
A. Hirata, T. Kondo, O. Fujiwara, and S. Ishigami
Proceedings of International Wroclaw Symposium and Exhibition on Electromagnetic Compatibility pp.278 - 281 2006.06
Publishing type：Research paper (other academic)
-
Enhancement of frequency-tunability for a Smith-Purcell free-electron laser in the millimeter-wave region Reviewed
T. Shiozawa, T. Muya, and A. Hirata
IEEE Transactions on Plasma Science 34 ( 3 ) 559 - 562 2006.06
Publishing type：Research paper (scientific journal)
-
テラヘルツ技術
テラヘルツテクノロジー動向調査委員会編著
オーム社 2006.05
Publishing type：Research paper (other academic)
-
46.
IEEE Transactions on Electromagnetic Compatibility ( 48 ) 1 2006.02
Publishing type：Research paper (other academic)
-
M. Fujimoto, A. Hirata, J. Wang, O. Fujiwara, T. Shiozawa
IEEE Transactions on Electromagnetic Compatibility 48 ( 1 ) 240 - 247 2006.02
Publishing type：Research paper (scientific journal)
-
Accuracy compensation in direction finding using patch antenna array with EBG structure Reviewed
A. Hirata
IEEE Antenna and Wireless Propagation Letters 5 1 - 3 2006.01
Publishing type：Research paper (scientific journal)
-
Accuracy compensation in direction finding using patch antenna array with EBG structure Reviewed
A. Hirata
IEEE Antenna and Wireless Propagation Letters 5 1 - 3 2006.01
Publishing type：Research paper (scientific journal)
-
Toward automatic classification of partial discharge sources with neural networks Reviewed
Akimasa Hirata, Syou Nakata, Zen Kawasaki
IEEE Transactions on Power Delivery 21 ( 1 ) 526 - 527 2006.01
Publishing type：Research paper (scientific journal)
-
A study on TEC monitoring using VHF electromagnetic wave caused by lightning Reviewed
Takumi TANIGUCHI, Takashi MORIMOTO, Zen KAWASAKI, Akimasa HIRATA
AGU 2005 Fall Meeting AE23A - 1005 2005.12
Publishing type：Research paper (other academic)
-
Correlation between Peak Spatial-Average SAR and Maximum Temperature Increase Due to Dipole Antenna in the Frequency Range 1-10 GHz Reviewed
A. HIRATA, K. YOSHIDA, Z. KAWASAKI, O. FUJIWARA, T. SHIOZAWA
Proceedings of URSI General Assembly K03 - 9 2005.10
Publishing type：Research paper (other academic)
-
Thermal computation model of rabbit eye for assessment of ocular effects due to microwave energy Reviewed
A. HIRATA, S. WATANABE, M. TAKI, M. KOJIMA, I. HATA, K. WAKE, K. SASAKI, T. SHIOZAWA
Proceedings of URSI General Assembly KB - 4 2005.10
Publishing type：Research paper (other academic)
-
Enhancement of frequency-tunability for a Smith-Purcell free-electron laser in the millimeter-wave region Reviewed
Toshiyuki SHIOZAWA, Tomoko MUYA, Akimasa HIRATA
Abstract of the 35th European Microwave Conference 145 2005.10
Publishing type：Research paper (other academic)
-
DOA estimation of electromagnetic waves with patch antenna array on finite substrate Reviewed
A. HIRATA, S. MITSUZONO, Z. KAWASAKI, T. SHIOZAWA
Proceedings of URSI General Assembly BCF - 4 2005.10
Publishing type：Research paper (other academic)
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Maximum temperature increases in the head and brain for SAR averaging schemes prescribed in safety guidelines Reviewed
A. HIRATA, M. FUJIMOTO, J. WANG, O. FUJIWARA, T. SHIOZAWA
Proceedings of IEEE International Symposium on Electromagnetic Compatibility 3 801 - 804 2005.08
Publishing type：Research paper (other academic)
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Wideband characteristics of impulsive EM noise emitted from discharges and development of mathematical noise model Reviewed
Takuma OKAZAKI, Akimasa HIRATA, Zen KAWASAKI
Proceedngs of IEEE International Symposium on Electromagnetic Compatibility 2 469 - 472 2005.08
Publishing type：Research paper (other academic)
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高圧電動機より放射されるインパルス性電磁雑音の種類判別に関する検討 Reviewed
仲田祥，平田晃正，河崎善一郎
電気学会論文誌(A) 125 ( 8 ) 663 - 668 2005.08
Publishing type：Research paper (scientific journal)
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Correlation between Temperature Increase and Spatial Averaged SAR in the Human Head Model Due to Dipole Antenna Reviewed
Akimasa HIRATA, Kohji YOSHIDA, Masaki FUJIMOTO, Jianqing WANG, Osamu FUJIWARA
Proceedings of International Conference on Electromagnetic Compatibility 4A - 3 2005.07
Publishing type：Research paper (other academic)
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DOA estimation of EM pulses emitted from lightning discharges Reviewed
A. Hirata, T. Morimoto, Z. Kawasaki
IEEJ Transactions on Fundamentals and Materials 125 ( 7 ) 596 - 597 2005.07
Publishing type：Research paper (scientific journal)
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A study on temperature increases in rabbit eyes due to 2.45-GHz electromagnetic wave exposures Reviewed
A. HIRATA, S. WATANABE, M. TAKI, M. KOJIMA, I. HATA, K. WAKE, K. SASAKI, T. SHIOZAWA
Abstract of Bioelectromagnetics 2005 2005.06
Publishing type：Research paper (other academic)
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Influence of SAR averaging schemes on correlations between maximum temperature increases and peak SARs Reviewed
A. HIRATA, M. FUJIMOTO, J. WANG, O. FUJIWARA, T. SHIOZAWA
Abstract of Bioelectromagnetics 2005 2005.06
Publishing type：Research paper (other academic)
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A study on human body modeling for the mobile terminal antenna design at 400 MHz band Reviewed
K. Kiminami, A. Hirata, Y. Horii, T. Shiozawa
Journal of Electromagnetic Waves and Application 19 ( 5 ) 671 - 687 2005.05
Publishing type：Research paper (scientific journal)
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Human head modeling for handset antenna design at 5GHz band Reviewed
K. Yoshida, A. Hirata, Z. Kawasaki, T. Shiozawa
Journal of Electromagnetic Waves and Applications 19 ( 3 ) 401 - 411 2005.03
Publishing type：Research paper (scientific journal)
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Numerical and experimental study on three-dimensional localization for ultra-wideband impulsive noise sources Reviewed
M. S. Soliman, A. Hirata, T. Morimoto, Z. Kawasaki
Journal of Electromagnetic Waves and Applications 19 ( 2 ) 175 - 187 2005.02
Publishing type：Research paper (scientific journal)
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Temperature increase in the human eyes due to near-field and far-field exposures at 900MHz, 1.5GHz, and 1.9GHz Reviewed
A. Hirata
IEEE Transactions on Electromagnetic Compatibility 47 ( 1 ) 68 - 76 2005.02
Publishing type：Research paper (scientific journal)
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An operational VHF broadband interferometer for lightning monitoring Reviewed
T. Morimoto, A. Hirata, Z. Kawasaki, T. Ushio, A. Matsumoto, J.-H. Lee
IEEJ Transactions on Fundamentals and Materials 124 ( 12 ) 1232 - 1238 2004.12
Publishing type：Research paper (scientific journal)
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Evaluation of induced SAR in the human body due to EM waves emitted from a dipole antenna at 400 MHz band Reviewed
T. Fujino, A. Hirata, T. Shiozawa
IEEJ Transactions on Fundamentals and Materials 124 ( 12 ) 1251 - 1252 2004.12
Publishing type：Research paper (scientific journal)
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A compact and wide-band reflector grating in a metallic rectangular waveguide Reviewed
Satoshi KONDOH, Akimasa HIRATA, Toshiyuki SHIOZAWA
IEEE Transactions on Plasma Science 32 ( 3 ) 1318 - 1322 2004.06
Publishing type：Research paper (scientific journal)
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Feasibility study of adaptive nulling on handset for 4G mobile communications Reviewed
Akimasa HIRATA, Syun MITSUZONO, Toshiyuki SHIOZAWA
IEEE Antennas and Wireless Propagation Letters 3 120 - 122 2004.04
Publishing type：Research paper (scientific journal)
-
Double-sided printed bow-tie antenna for UWB communications Reviewed
Katsuki KIMINAMI, Akimasa HIRATA, Toshiyuki Shiozawa
IEEE Antennas and Wireless Propagation Letters 3 152 - 153 2004.04
Publishing type：Research paper (scientific journal)
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Folded-loop antenna with a reflector for handset terminal Reviewed
Akimasa HIRATA, Takahiko ADACHI, Toshiyuki SHIOZAWA
Microwave and Optical Technology Letters 40 ( 4 ) 272 - 275 2004.02
Publishing type：Research paper (scientific journal)
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ダイポールアンテナによる乳幼児モデルにおける頭部内温度上昇 Reviewed
藤本正樹，平田晃正，塩沢俊之
電子情報通信学会論文誌(B) J87-B ( 2 ) 320 - 322 2004.02
Publishing type：Research paper (scientific journal)
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Analysis of a metallic reflector grating waveguide with the influence of Joule loss taken into account Reviewed
Satoshi KONDOH, Akimasa HIRATA, Tipyada THUMVONGSKUL, Toshiyuki SHIOZAWA
IEEE Transactions on Plasma Science 31 ( 5 ) 1070 - 1074 2003.10
Publishing type：Research paper (scientific journal)
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Operation strategy of residential centralized photovoltaic system in remote area Reviewed
Mohammad DAKKAK, Akimasa HIRATA, Redy MUHIDA, Zen KAWASAKI
Renewable Energy 28 ( 7 ) 997 - 1012 2003.07
Publishing type：Research paper (scientific journal)
-
Correlation of maximum temperature increase and peak SAR in the human head due to handset antennas Reviewed
Akimasa HIRATA, Toshiyuki SHIOZAWA
IEEE Transactions on Microwave Theory & Technique 51 ( 7 ) 1834 - 1841 2003.07
Publishing type：Research paper (scientific journal)
-
DOA estimation of ultra-wideband EM waves with MUSIC and interferometry Reviewed
Akimasa HIRATA, Takeshi MORIMOTO, Zen KAWASAKI
IEEE Antennas and Wireless Propagation Letters 2 190 - 193 2003.04
Publishing type：Research paper (scientific journal)
-
Direction-of-arrival estimation for ultra-wideband EM waves with an interferometery Reviewed
Takeshi MORIMOTO, Akimasa HIRATA, Zen KAWASAKI, Toshiyuki SHIOZAWA
Microwave and Optical Technology Letters 37 ( 1 ) 17 - 18 2003.04
Publishing type：Research paper (scientific journal)
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900MHz帯携帯端末用アンテナ設計のための人体頭部モデリング Reviewed
下村かおり，平田晃正，塩沢俊之
電気学会論文誌A 123-A ( 3 ) 273 - 279 2003.03
Publishing type：Research paper (scientific journal)
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Folded-loop antennas for handset terminals at 2.0 GHz band Reviewed
Takahiko ADACHI, Akimasa HIRATA, Toshiyuki SHIOZAWA
Microwave and Optical Technology Letters 36 ( 5 ) 376 - 378 2003.03
Publishing type：Research paper (scientific journal)
-
Temperature increase in the human head for dipole antenna at microwave frequencies Reviewed
Akimasa HIRATA, Masahi MORITA, Toshiyuki SHIOZAWA
IEEE Transactions on Electromagnetic Compatibility 45 ( 1 ) 109 - 116 2003.02
Publishing type：Research paper (scientific journal)
-
SAR and temperature rise in the human eye induced by obliquely incident plane waves Reviewed
Akimasa HIRATA, Hironori WATANABE, Toshiyuki SHIOZAWA
IEEE Transactions on Electromagnetic Compatibility 44 ( 4 ) 594 - 596 2002.11
Publishing type：Research paper (scientific journal)
-
UHF波帯移動帯端末用アンテナ設計のための人体のモデリングに関する検討 Reviewed
木南克規，和田寛規，平田晃正，塩沢俊之
電子情報通信学会論文誌(B) J85-B ( 11 ) 1991 - 1994 2002.11
Publishing type：Research paper (scientific journal)
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Design of a compact and wide-band metallic reflector grating for single-mode operation Reviewed
Tipyada THUMVONGSKUL, Yukimasa FUKUNAGA, Akimasa HIRATA, Toshiyuki SHIOZAWA
IEEE Transactions on Plasma Science 30 ( 5 ) 2042 - 2047 2002.10
Publishing type：Research paper (scientific journal)
-
FDTD法による自由電子レーザの解析 Reviewed
塩沢俊之，平田晃正
電子情報通信学会論文誌(C) J85-C ( 10 ) 869 - 879 2002.10
Publishing type：Research paper (other academic)
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Effectiveness and limitation of the periodic boundary approximation in the analysis of single-pass electron beam Reviewed
Akimasa HIRATA, Shiroh HIROSAKA, Toshiyuki SHIOZAWA
IEEE Transactions on Plasma Science 30 ( 3 ) 1151 - 1159 2002.06
Publishing type：Research paper (scientific journal)
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Nonlinear characteristics of a cylindrical Cherenkov laser at millimeter frequencies Reviewed
Akimasa HIRATA, Yoshio YUSE, Toshiyuki SHIOZAWA
Journal of Applied Physics 91 ( 12 ) 9471 - 9474 2002.06
Publishing type：Research paper (scientific journal)
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Full wave analysis of the field distribution of natural modes in the rectangular waveguide grating based on singular integral equation method Reviewed
G. I. ZAGINAYLOV, Y. V. GANDEL, O. P. KAMYSHAN, V. V. KAMYSHAN, A. HIRATA, T. THUMVONGSKUL, T. SHIOZAWA
IEEE Transactions on Plasma Science 30 ( 3 ) 1151 - 1159 2002.06
Publishing type：Research paper (scientific journal)
-
局所SARを用いた人体頭部内温度上昇の推定 Reviewed
森田匡，平田晃正，塩沢俊之
電子情報通信学会論文誌(B) J85-B ( 5 ) 723 - 725 2002.05
Publishing type：Research paper (scientific journal)
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ダイポールアンテナから放射されるマイクロ波による眼球内温度上昇 Reviewed
北真登，平田晃正，塩沢俊之
電子情報通信学会論文誌(B) J85-B ( 1 ) 132 - 139 2002.01
Publishing type：Research paper (scientific journal)
-
Dosimetry in models of child and adult for low-frequency electric field Reviewed
Akimasa HIRATA, Kryz CAPUTA, Trevor W. DAWSON, Maria A. STUCHLY
IEEE Transactions on Biomedical Engineering 48 ( 9 ) 1007 - 1012 2001.09
Publishing type：Research paper (scientific journal)
-
Nonlinear analysis of DBR Cherenkov laser via particle simulation Reviewed
Akimasa HIRATA, Toshiyuki SHIOZAWA
IEICE Transactions on Electronics E83-C ( 12 ) 1917 - 1922 2000.12
Publishing type：Research paper (scientific journal)
-
Temperature rises in the human eye exposed to EM waves in the frequency range 0.6-6 GHz Reviewed
Akimasa HIRATA, Shin-ichi MATSUYAMA, Toshiyuki SHIOZAWA
IEEE Transactions on Electromagnetic Compatibility 42 ( 4 ) 386 - 393 2000.11
Publishing type：Research paper (scientific journal)
-
Full wave modal analysis of the rectangular waveguide Reviewed
G. ZAGINAYLOV, A. HIRATA, T. UEDA, T. SHIOZAWA
IEEE Transactions on Plasma Science 28 ( 3 ) 614 - 620 2000.06
Publishing type：Research paper (scientific journal)
-
Akimasa HIRATA, Gou USHIO, Toshiyuki SHIOZAWA
IEICE Transactions on Communications E83-B ( 3 ) 541 - 548 2000.03
Authorship：Lead author Publishing type：Research paper (scientific journal)
-
Tipyada THUMVONGSKUL, Akimasa HIRATA, Gennady ZAGINAYLOV, Toshiyuki SHIOZAWA
Journal of Applied Physics 87 ( 4 ) 1626 - 1630 2000.02
Publishing type：Research paper (scientific journal)
-
A compact Smith-Purcell free-electron laser with a Bragg cavity Reviewed
Tipyada THUMVONGSKUL, Akimasa HIRATA, Toshiyuki SHIOZAWA
IEICE Transactions on Electronics E82-C ( 11 ) 2094 - 2100 1999.11
Publishing type：Research paper (scientific journal)
-
Shiroh HIROSAKA, Akimasa HIRATA, Toshiyuki SHIOZAWA
IEICE Transactions on Electronics E82-C ( 11 ) 2108 - 2109 1999.11
Publishing type：Research paper (scientific journal)
-
眼球内におけるホットスポットの生成 Reviewed
牛尾剛，平田晃正，塩沢俊之
電子情報通信学会論文誌(B) J82-B ( 8 ) 1605 - 1607 1999.08
Publishing type：Research paper (scientific journal)
-
Efficiency enhancement in a Cherenkov laser by a proper variation of dielectric thickness Reviewed
Akimasa HIRATA, Yoshio YUSE, Toshiyuki SHIOZAWA
IEICE Transactions on Electronics E81-C ( 11 ) 1764 - 1765 1998.11
Authorship：Lead author Publishing type：Research paper (scientific journal)
-
Three-dimensional analysis of a Cherenkov laser via particle simulation Reviewed
Akimasa HIRATA, Toshiyuki SHIOZAWA
IEEE Journal of Quantum Electronics 34 ( 10 ) 1802 - 1806 1998.10
Authorship：Lead author Publishing type：Research paper (scientific journal)
-
Efficiency enhancement in a Cherenkov laser by a proper permittivity variation Reviewed
Akimasa HIRATA, Toshiyuki SHIOZAWA
Journal of Applied Physics 82 ( 12 ) 5907 - 5912 1997.12
Authorship：Lead author Publishing type：Research paper (scientific journal)
-
スミス・パーセル自由電子レーザの非線形特性 Reviewed
平田晃正，塩沢俊之
電子情報通信学会論文誌(C-I) J80-C-I ( 8 ) 361 - 367 1997.11
Authorship：Lead author Language：Japanese Publishing type：Research paper (scientific journal)
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