HIRATA Akimasa

写真a

Affiliation Department etc.

Department of Electrical and Mechanical Engineering
Department of Electrical and Mechanical Engineering

Title

Professor

Graduating School

  •  
    -
    1996.03

    Osaka University   Faculty of Engineering   Department of Communications Engineering   Graduated

Graduate School

  •  
    -
    2000.03

    Osaka University    Communications EngineeringDoctor's Course  Completed

Degree

  • Osaka University -  Doctor of Engineering

External Career

  • 1999.05
    -
    1999.10

    University of Victoria   Researcher  

Academic Society Affiliations

  • 2017.05
    -
    Now

    World Health Organization

  • 2010.12
    -
    Now

    Institute of Physics

  • 2005.01
    -
    Now

    International Commission on Non-Ionizing Radiation Protection

  • 2000.04
    -
    Now

    Institute of Electrical Engineers of Japan

  • 1999.04
    -
    Now

    Institute of Electrical and Electronics Engineers

Field of expertise (Grants-in-aid for Scientific Research classification)

  • Communication/Network engineering

  • Power engineering/Power conversion/Electric machinery

 

Research Career

  • Evaluation of Potential Health Effects of Electromagnetic Waves

    International Collaboration   Funded Research  

    Project Year:  2001.04  -  2001.04

  • Multiphysics simulation techniques

    Individual   Funded Research  

    Project Year:  1999.04  -  1999.04

Papers

  • Corticomotoneuronal model for intraoperative neurophysiological Monitoring During Direct Brain Stimulation

    J. Gomez-Tames, A. Hirata, M. Tamura, Y. Muragaki

    International Journal of Neural Systems ( World Scientific )    2018.10  [Refereed]

    Research paper (scientific journal)   Multiple Authorship

  • Atlas of optimal coil orientation and position for TMS: A computational study

    J. Gomez-Tames A. Hamasaka, I. Laakso, A. Hirata, Y. Ugawa

    Brain Stimulation     2018.09  [Refereed]

    Research paper (scientific journal)   Multiple Authorship

  • Averaging area of incident power density for human exposure from patch antenna arrays

    D. Funahashi, T. Ito, A. Hirata, T. Iyama, T. Onishi

    IEICE Transactions on Electronics     2018.09  [Refereed]

    Research paper (scientific journal)   Multiple Authorship

  • TMS motor thresholds correlate with TDCS electric field strengths in hand motor area

    M. Mikkonen, I. Laakso, M. Sumiya, S. Koyama, A. Hirata, S. Tanaka

    Frontiers in Neuroscience     2018.07  [Refereed]

    Research paper (scientific journal)   Multiple Authorship

  • Computational Artifacts of the In Situ Electric Field in Anatomical Models Exposed to Low-Frequency Magnetic Field

    Jose Gomez-Tames, Ilkka Laakso, Yuto Haba, Akimasa Hirata, Dragan Poljak, Kenichi Yamazaki

    IEEE Transactions on Electromagnetic Compatibility ( IEEE )  60 ( 3 ) 589 - 597   2018.06  [Refereed]

    Research paper (scientific journal)   Multiple Authorship

  • A high-resolution computational localization method for transcranial magnetic stimulation mapping

    S Aonuma, J Gomez-Tames, I Laakso, A Hirata, T Takakura, M Tamura, Y Muragaki

    Neuroimage ( Elsevier )  172   85 - 93   2018.05  [Refereed]

    Research paper (scientific journal)   Multiple Authorship

  • On the Use of Conformal Models and Methods in Dosimetry for Nonuniform Field Exposure

    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 ( IEEE )  60 ( 2 ) 328 - 337   2018.04  [Refereed]

    Research paper (scientific journal)   Multiple Authorship

  • Risk Management of Heatstroke Based on Fast Computation of Temperature and Water Loss using Weather Data for Exposure to Ambient Heat and Solar Radiation

    Kazuya Kojima, Akimasa Hirata, Kazuma Hasegawa, Sachiko Kodera, Ilkka Laakso, Daisuke Sasaki, Takeshi Yamashita, Ryusuke Egawa, Yuka Horie, Nanako Yazaki, Saeri Kowata, Kenji Taguchi, Tatsuya Kashiwa

    IEEE Access ( IEEE )  6   3774 - 3785   2018.02  [Refereed]

    Research paper (scientific journal)   Multiple Authorship

  • Temperature elevation in the human brain and skin with thermoregulation during exposure to RF energy

    Sachiko Kodera, Jose Gomez-Tames, Akimasa Hirata

    Biomedical Engineering Online ( BioMed Central )  17 ( 1 ) 1   2018.01  [Refereed]

    Research paper (scientific journal)   Multiple Authorship

  • Where and what TMS activates: Experiments and modeling

    Ilkka Laakso, Takenobu Murakami, Akimasa Hirata, Yoshikazu Ugawa

    Brain Stimulation   11 ( 1 ) 166 - 174   2018.01  [Refereed]

    Research paper (scientific journal)   Multiple Authorship

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Books

  • Recent progress in biomedical engineering

    (Part: Multiple Authorship )

    Intech  2009.11 ISBN: 9789533070049

  • ICNIRP RF Review:exposure to high frequency electromagnetic fields, biological effects and health consequences

    (Part: Multiple Authorship )

    2009.07 ISBN: 9783934994102

Review Papers

  • Topics in EMC issues related to safety and social life

    T. Funaki, A. Hirata, O. Fujiwara, K. Kawamata, S. Minegishi, H. Sekiguchi, S. Seto, M. Tokuda

    IEEJ Transactions on Fundamentals and Materials ( IEEJ )  129 ( 2 ) 56 - 61   2009.02

    Introduction and explanation (scientific journal)   Multiple Authorship

Presentations

  • Safety assessment and standardization of human exposure to electromagnetic fields

    A. Hirata  [Invited]

    IEEE EMC-S講演会  2017.12  -  2017.12  IEEE EMC-S Japan Chapter

  • Activation thresholds for electrostimulation by TMS and DES: Brain mapping via multiscale model

    J. Gomez-Tames, S. Aonuma, T. Kutsuna, A Hirata  [Invited]

    Internatioanl Union on Radio Science General Assemmbly Scientific Symposium 2017  (Montreal, Canada)  2017.08  -  2017.08  URSI

  • Variability in tDCS electric fields: effects of electrode size and configuration

    I. Laakso, S. Tanaka, M. Mikkonen, S. Koyama, A. Hirata  [Invited]

    Internatioanl Union on Radio Science General Assemmbly Scientific Symposium 2017  (Montreal, Canada)  2017.08  -  2017.08  URSI

  • Interest and impact of human experimental research on exposure guidelines and current gaps to address

    A. Hirata  [Invited]

    BioEM2017  2017.06  -  2017.06 

  • Exposure assessment and dosimetry of WPT systems

    A. Hirata  [Invited]

    BioEM2016  (Ghent)  2016.06  -  2016.06 

  • HF Dosimetry

    S. Watanabe, A. Hirata  [Invited]

    ICNIRP International NIR Workshop  (South Africa)  2016.05  -  2016.05  ICNIRP

  • Multi-scale induction and electrostimulation model with experimental validation

    I. Laakso, A. Hirata

    IEEE ICES Workshop on Current Status of Low-Frequency Dosimetry  (Monterey, USA)  2015.06  -  2015.06  IEEE ICES

  • Role of computational dosimetry when setting the limits in safety standards/guidelines

    A. Hirata  [Invited]

    BioEM2015  (Monterey, USA)  2015.06  -  2015.06  Bioelectromagnetics Society

  • Relationship between spatial-averaged SAR and temperature elevation in human head models from 1−10 GHz

    A. Hirata, S. Ohta, I. Laakso, O. Fujiwara

    International Symposium on Electromagnetic Compatibility  (Tokyo)  2014.05  -  2014.05  IEICE

  • Computational dosimetry for wireless charging of an electrical vehicle

    I. Laakso, A. Hirata, O. Fujiwara

    International Symposium on Electromagnetic Compatibility  (Tokyo)  2014.05  -  2014.05  IEICE

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Academic Awards Received

  • The Commendation for Science and Technology by the Minister of Education, Culture, Sports, Science and Technology, Prizes for Science and Technology (Research Category)

    2011.04.11    

    Winner: Osamu Fujiwara, Akimasa Hirata

  • Prize for Young Scientists from Minister of Education, Culture, Sports, Science and Technology

    2006.04    

  • IEEE Fellow

    2017.01.01    

  • Fellow Award (Institute of Physics)

    2013.10    

    Winner: Akimasa Hirata

  • Best Paper Award

    2014.06.05    

    Winner: Shogo Tsuchida, Ilkka Laakso, Akimasa Hirata

  • Excellent Paper Award

    2014.05    

  • KDDI Foundation Award

    2011.03.24    

    Winner: Akimasa Hirata, Osamu Fujiwara

  • Excellent Paper Award

    2009.07.21    

    Winner: T. Nagai, A. Hirata, and O. Fujiawra

  • Research Encouragement Award, Funai Foundation for Information Technology

    2004.04    

  • TELECOM System Technology Award

    2004.04    

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Academic Activity

  • 2017.05
    -
    Now

    World Health Organization   Expert

  • 2017.05
    -
    Now

    International Commission on Non-Ionizing Radiation Protection   Project Group Chair

  • 2016.05
    -
    Now

    International Commission on Non-Ionizing Radiation Protection   Member of Main Commission

  • 2015.06
    -
    Now

    Institute of Physics   Guest Editor, Physics in Medicine and Biology

  • 2014.09
    -
    Now

    Institute of Electrical and Electronics Engineers   International Committee on Electromagnetic Safety (AdCom and SC6 Chair)

  • 2014.09
    -
    2015.06

    Institute of Electrical and Electronics Engineers  

  • 2013.03
    -
    2016.05

    International Commission on Non-Ionizing Radiation Protection  

  • 2012.05
    -
    Now

    Institute of Electrical Engineers of Japan  

  • 2011.01
    -
    2012.12

    Institute of Electrical and Electronics Engineers   Secretary, IEEE Microwave Theory and Techniques Society Nagoya Chapter

  • 2010.12
    -
    Now

    Institute of Physics   Member of International Advisory Board, Physics in Medicine and Biology

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