HIROSHI Hirayama

写真a

Affiliation Department etc.

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

Title

Associate Professor

Mail Address

E-mail address

Graduating School

  •  
    -
    1998.03

    The University of Electro-Communications   Faculty of Electro Communications   Graduated

Graduate School

  •  
    -
    2003.03

    The University of Electro-Communications  Graduate School, Division of Electro Communications  Doctor's Course  Completed

Degree

  • The University of Electro-Communications -  Ph. D

Academic Society Affiliations

  • 2021.07
    -
    Now

    IEEJ

  • 2003.04
    -
    Now

    IEEE

  • 1998.04
    -
    Now

    IEICE

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

  • Communication/Network engineering

  • Power engineering/Power conversion/Electric machinery

 

Research Career

  • Wireless Power Transfer

    (not selected)  

    Project Year:  2008.04  -  Now

  • Antenna Technologies

    (not selected)  

    Project Year:  2003.10  -  Now

  • Electromagnetic-Compatibility

    (not selected)  

    Project Year:  2000.04  -  Now

Papers

  • Basic Characteristics of Proximity-Fed Microstrip Patch Antenna Having Class-F Load Impedance for Microwave Power Transfer

    Shunya Ban, Hiroshi Hirayama

    Proc. of AWPT2021     2021.12  [Refereed]

    Research paper (international conference proceedings)   Multiple Authorship

  • A Basic Consideration of RF-DC Conversion Circuit Using Quadrature Hybrid for Complex Maximum Power Point Tracking

    Kouzaburo Tanahashi, Hiroshi Hirayama

    Proc. of AWPT2021     2021.12  [Refereed]

    Research paper (international conference proceedings)   Multiple Authorship

  • Reduction in Human Interaction with Magnetic Resonant Coupling WPT Systems with Grounded Loop

    Xianyi Duan,Junqing Lan,Yinliang Diao,Jose Gomez-Tames,Hiroshi Hirayama,Masashi Hotta,George Fischer and Akimasa Hirata

    Energies   14 ( 21 ) 1 - 14   2021.11  [Refereed]

    Research paper (scientific journal)   Multiple Authorship

  • Microstrip Patch Antenna with Class-F Load and DC Block Function for Microwave Power Transfer

    Takase Oshima, Shunya Ban, Hiroshi Hirayama

    IEICE Electronics Express ( IEICE )  18 ( 15 ) 1 - 5   2021.07  [Refereed]

    Research paper (scientific journal)   Multiple Authorship

  • Proposal and Demonstration of Power Conversion-Chip/Amplifier Integrated Antenna

    Shinji Hara, Asako Suzuki, Hiroshi Hirayama

    Proc. of EuMC 2020     2021.01  [Refereed]

    Research paper (international conference proceedings)   Multiple Authorship

  • Zero-Current Switching with LC Resonant Tank Circuit and Capacitor Isolation DC-DC Converter

    Nakashima Osamu, Hirayama Hiroshi, Hiwatari Daichi, Jonokuchi Hideki

    Proc. of EPE 2020     2020.09  [Refereed]

    Research paper (international conference proceedings)   Multiple Authorship

  • Folded Dipole Antenna with Class-F Load Function for Rectenna of Microwave Power Transfer

    Takase Oshima, Hiroshi Hirayama

    IEICE Communications Express   9 ( 11 ) 524 - 528   2020.08  [Refereed]

    Research paper (scientific journal)   Multiple Authorship

  • Reduction of Human Interaction with Wireless Power Transfer System Using Shielded Loop Coil

    Akihiko Kumazawa, Yinliang Diao, Akimasa Hirata, Hiroshi Hirayama

    Electronics   9 ( 6 ) 1 - 13   2020.06  [Refereed]

    Research paper (scientific journal)   Multiple Authorship

  • Folded Spiral Resonator with Double-Layered Structure for Near-Field Wireless Power Transfer

    Takaya Arai, Hiroshi Hirayama

    Energies   13 ( 7 ) 1 - 13   2020.04  [Refereed]

    Research paper (scientific journal)   Multiple Authorship

  • Near-field Wireless Power Transfer for Moving Vehicle Using Collinear Array Antenna

    Takase OSHIMA, Hiroshi HIRAYAMA

    IEICE Communications Express   8 ( 12 ) 617 - 622   2019.12  [Refereed]

    Research paper (scientific journal)   Multiple Authorship

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Books

  • Wireless Power Transfer: Theory, technology, and applications

    Naoki Shinohara (編集) (Part: Multiple Authorship )

    IET  2018.08 ISBN: 978-1785613463

  • Wireless Energy Transfer based on Electromagnetic Resonance: Principles and Engineering Explorations

    Hiroshi Hirayama, et al. (Part: Multiple Authorship )

    Intech  2012.01 ISBN: 978-953-307-112

Presentations

  • Basic Characteristics of Microstrip Patch Antenna with Class-F Load and DC Block Function for Microwave Power Transfer

    Takase Oshima, Syunya Ban, Hiroshi Hirayama,

    AWPT2020  2020.12  -  2020.12 

  • Measurement Method of High-Frequency and High-Power Complex Impedance, Voltage and Current using Directional Coupler and its Calibration

    Takuma Nakae, Takase Oshima, Hiroshi Hirayama

    AWPT2020  2020.12  -  2020.12 

  • A Consideration of Grounded Helical Antenna for Coupled-resonant Wireless Power Transfer

    Hiroshi Hirayama, Tomohiro Amano, Nobuyoshi Kikuma, Kunio Sakakibara

    PIERS 2013  2013.03  -  2013.03 

  • Undesired Emission from Spiral Resonators For Coupled Resonant Wireless Power Transfer

    Hiroshi Hirayama, Kanako Komatsu, Nobuyoshi Kikuma, Kunio Sakakibara

    PIERS 2012  2012.08  -  2012.08 

  • On a coupling coefficient of spiral antenna for coupled-resonant wireless power transfer

    Hiroshi Hirayama, Kanako Komatsu, Nobuyoshi Kikuma, Kunio Sakakibara

    EuroEM2012  2012.07  -  2012.07 

Academic Awards Received

  • young engineer's award of antenna and propagation socity

    2009.12    

 
 

Academic Activity

  • 2021
    -
    Now

    IEEE  

  • 2020
     
     

    IEICE  

  • 2019
    -
    Now

    IEEE  

  • 2019
    -
    2020

    IEICE  

  • 2018.06
    -
    Now

    IEICE  

  • 2018.06
    -
    2020.06

    IEICE  

  • 2018
    -
    Now

    IEEE  

  • 2018
    -
    2019

    IEICE  

  • 2017.06
    -
    2018.06

    IEICE  

  • 2017
    -
    Now

    IEEE  

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