Achievements

Journal

  1. Masaya Tamura, Yasumasa Naka, Kousuke Murai,“Design of Capacitive Coupler in Underwater Wireless Power Transfer Focusing on kQ Product,” IEICE Trans. Electron, vol. E101-C, no. 10, pp.759-766, Oct. 2018.
    http://search.ieice.org/bin/summary.php?id=e101-c_10_759
  2. Keita Satoh, Masaya Tamura,“Filter using cylindrical quadruple mode SIW resonator,” IEICE Electronics Express, ELEX, vol.15, No.9, pp.1-6, #20180295, Apr. 2018.
    https://www.jstage.jst.go.jp/article/elex/15/9/15_15.20180295/_article
  3. Masaya Tamura, Shosei Tomida, kento Ichinose,“Design and Analysis of Multi-Mode Stripline Resonator and Its Application to Bandpass Filter,” IEICE Trans. Electron, vol. E101-C, no. 3, pp.151-160, Mar. 2018.
    http://search.ieice.org/bin/summary.php?id=e101-c_3_151
  4. Ippei Takano, Daigo Furusu, Yosuke Watanabe, Masaya Tamura,“Cavity Resonator Wireless Power Transfer in an Enclosed Space with Scatterers utilizing Metal Mesh,” IEICE Trans. Electron, vol. E100-C, no. 10, pp.841-849, Oct. 2017.
    http://search.ieice.org/bin/summary.php?id=e100-c_10_841
  5. Yasumasa Naka, Kyohei Yamamoto, Takuma Nakata, Masaya Tamura,“Improvement in Efficiency of Underwater Wireless Power Transfer with Electric Coupling,” IEICE Trans. Electron, vol. E100-C, no. 10, pp.850-857, Oct. 2017.
    http://search.ieice.org/bin/summary.php?id=e100-c_10_850
  6. Masaya Tamura, Yosuke Watanabe, Ippei Takano,“Waveguide-Mode Wireless Power Transfer in Shielded Space with Aperture Plane,” IEICE Electronics Express, ELEX, vol.14, No.8, pp.1-6, #20170195, Mar. 2017.
    https://www.jstage.jst.go.jp/article/elex/14/8/14_14.20170195/_article
  7. Shosei Tomida, Kento Ichinose, Masaya Tamura,“Design approach for bandpass filter using triple-mode stripline resonator,” IEICE Electronics Express, ELEX, vol.13, No.12, pp.1-6, #20160380, Jun. 2016.
    https://www.jstage.jst.go.jp/article/elex/13/12/13_13.20160380/_article
  8. Tao Yang, Masaya Tamura, Tatsuo Itoh, “Compact and high-performance low-temperature co-fired ceramic balun filter using the hybrid resonator and symmetric four-port network,” IET Journals. Microwaves, Antennas and Propagation, vol.6, No.2, pp.121-126, Jan. 2012.
    http://ieeexplore.ieee.org/xpl/login.jsp?tp=&arnumber=6175200
  9. Masaya Tamura, Tao Yang, Tatsuo Itoh, “Very Compact and Low-profile LTCC Unbalanced-to-Balanced Filters with Hybrid Resonators,” IEEE Trans. Microwave Theory and Techniques, vol. 59, no. 8, pp. 1925-1936, Aug. 2011.
    http://ieeexplore.ieee.org/xpl/login.jsp?tp=&arnumber=5766066
  10. Masaya Tamura, Hiroshi Kagata, “Analysis of Metal-Insulator-Metal Structure and Its Application to Sensor,” IEEE Trans. Microwave Theory and Techniques, vol. 58, no. 12, part 2, pp. 3954-3960, Dec. 2010.
    http://ieeexplore.ieee.org/xpl/login.jsp?tp=&arnumber=5613229
  11. Tao Yang, Masaya Tamura, Tatsuo Itoh, “Super Compact Low-Temperature Co-Fired Ceramic Bandpass Filters Using the Hybrid Resonator,” IEEE Trans. Microwave Theory and Techniques, vol. 58, no. 11, pp. 2896-2907, Nov. 2010.
    http://ieeexplore.ieee.org/xpl/login.jsp?tp=&arnumber=5605641
  12. Masaya Tamura, Toshio Ishizaki, Mohammed Reza M. Hashemi, Tatsuo Itoh, “Approach of Metamaterial-based Quarter-wave Resonator and its Application to Very Compact LTCC Bandpass Filter,” IEICE Trans. Electron, vol. E93-C, no. 7, pp. 1078-1088, Jul. 2010.
    http://search.ieice.org/bin/summary.php?id=e93-c_7_1078
  13. Tao Yang, Masaya Tamura, Tatsuo Itoh, “Compact Hybrid Resonator With Series and Shunt Resonances Used in Miniaturized Filters and Balun Filters,” IEEE Trans. Microwave Theory and Techniques, vol. 58, no. 2, pp. 390-402, Feb. 2010.
    http://ieeexplore.ieee.org/xpl/login.jsp?tp=&arnumber=5398820
  14. Masaya Tamura, Toshio Ishizaki, Michael Hoft, “Design and Analysis of Vertical Split Ring Resonator and its Application to Unbalanced-balanced Filter,” IEEE Trans. Microwave Theory and Techniques, vol. 58, no. 1, pp. 157-164, Jan. 2010.
    http://ieeexplore.ieee.org/xpl/login.jsp?tp=&arnumber=5356155
  15. Michael Hoft, Masaya Tamura, Toshio Ishizaki, “Self-Compensation of Alignment Tolerances for Couplings in LTCC Filters,” Frequenz - Journal of RF-Engineering and Telecommunications, vol. 62, no. 9-10, pp. 216-221, Sep. 2008.
    http://www.degruyter.com/dg/viewarticle/j$002ffreq.2008.62.9-10$002ffreq.2008.62.9-10.216$002ffreq.2008.62.9-10.216.xml

Conferences

  1. Masaya Tamura, Yasumasa Naka, Kousuke Murai, “Design of Capacitive Coupler for Wireless Power Transfer Under Fresh Water Focusing on kQ Product,”in Proc. 2018 IEEE MTT-S Int. Microwave Symposium, Philadelphia, PA, Jun. 2018, pp.1257-1260.
    https://ieeexplore.ieee.org/document/8439174/
  2. Yasumasa Naka, Kousuke Murai, Masaya Tamura,“Design of coupler for high efficiency wireless power transfer under fresh water,” 2017 Asian Wireless Power Transfer Workshop, Singapore, Dec. 2017.
  3. Kousuke Murai, Yasumasa Naka, Masaya Tamura,“Measurement of complex permittivity for fresh water under high electric field,” 2017 Asian Wireless Power Transfer Workshop, Singapore, Dec. 2017.
  4. Daigo Furusu, Ippei Takano, Shinji Nimura, Masaya Tamura,“Design and Prototyping of Differential Power Receiver for Cavity Resonance enabled Wireless Power Transfer,” 2017 Asian Wireless Power Transfer Workshop, Singapore, Dec. 2017.
  5. Ippei Takano, Daigo Furusu, Shinji Nimura, Masaya Tamura,“Development of Power Receiving Control Circuit for Cavity Resonance Enabled Wireless Power Transfer,” 2017 Asian Wireless Power Transfer Workshop, Singapore, Dec. 2017.
  6. Masaya Tamura, Daigo Furusu, Ippei Takano, “Wireless Power and Information Transfer in Closed Space utilizing Frequency Selected Surfaces,” in Proc. 2017 IEEE MTT-S Int. Microwave Symposium, Honolulu, HI, Jun. 2017.
    http://ieeexplore.ieee.org/document/8058773/
  7. Ippei Takano, Daigo Furusu, Yousuke Watanabe, Masaya Tamura, “Study on Cavity Resonator Wireless Power Transfer to Sensors in an Enclosed Space with Scatterers,” Proc. on 2017 IEEE MTT-S Int. Conf. on Microwaves for Intelligent Mobility, Nagoya, Japan, Mar. 2017, pp.1-4.
    http://ieeexplore.ieee.org/document/7918861/
  8. Yasumasa Naka, Kyohei Yamamoto, Takuma Nakata, Masaya Tamura, Mitsuru Masuda, “Verification Efficiency of Electric Coupling Wireless Power Transfer in Water,” Proc. on 2017 IEEE MTT-S Int. Conf. on Microwaves for Intelligent Mobility, Nagoya, Japan, Mar. 2017, pp.1-4.
    http://ieeexplore.ieee.org/document/7918862/
  9. Masaya Tamura, Kento Ichinose,“Dual Band Filter with Quad-mode Stripline Resonator,” in Proc. of 46th European Microwave Conf., London, England, Oct. 2016, p.1-4.
    http://ieeexplore.ieee.org/abstract/document/7824554/
  10. Yosuke Watanabe, Ippei Takano, Masaya Tamura,“Basic Study on Wireless Power Transfer in Shielded Space with Scatterers Based on Waveguide Theory,” 2015 Asian Wireless Power Transfer Workshop, New Taipei, Dec. 2015.
  11. Kyohei Yamamoto, Yasumasa Naka, Masaya Tamura,“Extraction of Complex Permittivity for Liquid Phase under RF High Power,” 2015 Asian Wireless Power Transfer Workshop, New Taipei, Dec. 2015.
  12. Masaya Tamura,“Study on Transmission Zero of Filter with CRLH-TL Resonators consisting of Asymmetric Cells,” Proc. of Int. conference on Global Network for Innovative TEchnology, Dec. 2014, pp.197-201.
  13. Koji Sonoda, Takayuki Fujita, Kensuke Kanda, Kazusuke Maenaka, Hideaki Katsumura, Masaya Tamura, Hiroshi Kagata,“SPICE Modeling of Piezoelectric Energy Harvesting Device utilizing Stress Influence,” Proc. of IEEE The 2nd Int. Workshop on energy and Wireless Sensors, pp.1662-1664, Aug. 2013.
    http://ieeexplore.ieee.org/xpl/login.jsp?tp=&arnumber=6682314
  14. Masaya Tamura, Hiroshi Kagata, “Analysis of Plasmon Excited by Metal-Insulator-Metal Structure with Insulator Thickness of Hundreds of Nanometers,” in Proc. 2010 IEEE MTT-S Int. Microwave Symposium, Digest, vol. 1, pp. 356-359, May. 2010.
    http://ieeexplore.ieee.org/xpl/login.jsp?tp=&arnumber=5515132
  15. Toshio Ishizaki, Masaya Tamura, Catherine A. Allen, Tatsuo Itoh, “Left-Handed Band Pass Filter Realized by Coupled Negative Order Resonators,” in Proc. 2008 IEEE MTT-S Int. Microwave Symposium Digest, vol. 2, pp. 1107-1110, Jun. 2008.
    http://ieeexplore.ieee.org/xpl/login.jsp?tp=&arnumber=4633250
  16. Michael Hoft, Masaya Tamura, Toshio Ishizaki, “Self-compensation of alignment tolerances for series capacitors in LTCC Filters with stepped impedance resonators,” in Proc. German Microwave Conf., Mar. 2008.
  17. Masaya Tamura, Toshio Ishizaki, Michael Hoeft, Hidekazu Tamai, “Novel Vertical Split Ring Resonator Fabricated in LTCC,” 2007 IEEE Korea-Japan Microwave Conf., pp. 105-108, Nov. 2007.
    http://ieeexplore.ieee.org/xpl/login.jsp?tp=&arnumber=4402251
  18. Shigeaki Kawai, Shigeo Kawasaki, Takeshi Yamamoto, Yasuyuki Sakurai, Harunobu Seita, Katsutoshi Nakajima, Kyoji Kanazawa, Masaya Tamura, Toshio Ishizaki, Tamotsu Suda,“Fabrication of a Proto-Type Active Integrated Antenna for a Compact and High-Power Phased Array System” Proc. of Int. Symposium on Ant. and Prop., pp.1278-1281, Aug. 2007

Technical Reports

  1. Daigo Furusu, Shinji Nimura, Daiki Fujii, Masaya Tamura, “Integration of Differential Power Receiver and Rectifier for Cavith Resonance enabled Wireless Power Transfer,” IEICE Tech. Rep., WPT2018-24, vol.118, no.115，pp.91-96，Jul. 2018.(Japanese)
  2. Shosei Tomida, Masaya Tamura, “Bandstop Filter Using Meander Loop Resonator with Folded Open Stub,” IEICE Tech. Rep., MW2017-182, vol.117, no.462，pp.45-50，Mar. 2018.(Japanese)
  3. Shosei Tomida, Satoshi Kitabayashi, Yuichi Miyaji, Masaya Tamura, “Proposal of Reflective Circuit and Variable-Attenuation-Phase Shifter with Independently Controllable Amplitude and Phase,” IEICE Tech. Rep., MW2017-151, vol.117, no.366，pp.53-58，Dec. 2017.(Japanese)
  4. Yasumasa Naka, Kosuke Murai, Masaya Tamura, “Design of coupler for high efficiency wireless power transfer under fresh water with electric coupling,” IEICE Tech. Rep., WPT2017-49, vol.117, no.318，pp.27-31，Nov. 2017.(Japanese)
  5. Ippei Takano, Daigo Furusu, Shinji Nimura, Masaya Tamura, “Design and Prototyping of Differential Power Receiver for Cavity Resonance enabled Wireless Power Transfer,” IEICE Tech. Rep., WPT2017-45, vol.117, no.318，pp.7-10，Nov. 2017.(Japanese)
  6. Daigo Furusu, Ippei Takano, Shinji Nimura, Masaya Tamura, “Proposal of Receiving Control System for Cavity Resonance Enabled Wireless Power Transfer,” IEICE Tech. Rep., WPT2017-44, vol.117, no.318，pp.1-6，Nov. 2017.(Japanese)
  7. Takuma Nagao，Atsushi Funayama，Masaya Tamura，“Quadruple-mode cavity resonator aimed at compactness and high Q factor，”IEICE Tech. Rep., MW2017-30, vol.117, no.104，pp.49-54，Jun. 2017.(Japanese)
  8. Takuma Nagao, Masaya Tamura, “Quadruple-mode cavity resonator aimed at compactness and high Q factor,” IEEE AP/MTT-S Midland Student Express 2017 Spring, S2-5, Nagoya, April 2017.
  9. Daigo Furusu, Masaya Tamura, “Wireless Power and Information Transfer Utilizing Frequency Selected Surfaces,” IEEE AP/MTT-S Midland Student Express 2017 Spring, S2-6, Nagoya, April 2017.
  10. Shosei Tomida，Yuichi Miyaji，Masaya Tamura，“Design Method of Analog Cancellation Circuit Using Signal Inversion for In-Band Full-Duplex Wireless Communication，”IEICE Tech. Rep., MW2016-196, vol.116, no.486，pp.45-50，Mar. 2017.(Japanese)
  11. Keita Satoh, Shosei Tomida，Masaya Tamura,“Basic study of multi-mode resonances using cylindrical substrate integrated waveguide,”IEICE Tech. Rep., WPT2016-154，vol.116，no.363，pp.123-127，Dec. 2016.(Japanese)
  12. Ippei Takano，Masaya Tamura, “Study on point-to-multipoint wireless power transfer technology in the enclosed space with scatterers,” IEEE AP/MTT-S Midland Student Express 2016 Spring, S3-4, Nagoya, April 2016.
  13. Shosei Tomida，Masaya Tamura, “Establishment of Design Approach for Bandpass Filter using Triple-mode Stripline Resonator,” IEEE AP/MTT-S Midland Student Express 2016 Spring, S3-3, Nagoya, April 2016.
  14. Yosuke Watanabe, Masaya Tamura, Ippei Takano,“Basic Study on Wireless Power Transfer in Shielded Space with Scatterers Based on Cavity Resonator Theory,”IEICE Tech. Rep., WPT2015-75，vol.115，no.446，pp.17-20，Feb. 2016.(Japanese)
  15. Masaya Tamura, Kyohei Yamamoto, Yasumasa Naka,“Study on Extraction Method for Complex Permittivity of Liquid Phase under High Power RF,”IEICE Tech. Rep., WPT2015-65，vol.115，no.428，pp.11-14，Jan. 2016.(Japanese)
  16. Yosuke Watanabe，Masaya Tamura, “Basic study of efficiency improvement for wireless power transmission in closed space with scatterers,” IEEE AP/MTT-S Midland Student Express 2015 Spring, S4-1, Nagoya, April 2015.
  17. Masaya Tamura, Yusuke Kamiyama, Naoki Sakai，Takashi Ohira,“Study on RF Measurement Method for Liquid Phase under High Power,”IEICE Tech. Rep., WPT2015-19，vol.115，no.3，pp.97-102，Apr. 2015.(Japanese)

Domestic Conferences

  1. Shinji Nimura，Daigo Furusu，Masaya Tamura，"Relationship between Termination Reactance of Matching Probe and Power Transmission Efficiency in Cavity Resonance enabled WPT," Proc. IEICE Society Conf.'18，no.B-21-13，p.458，Sep. 2018.
  2. Kosuke Murai，Masaya Tamura，"Electrode Design of Capacitive Coupler for Underwater Wireless Power Transfer," Proc. IEICE Society Conf.'18，no.B-21-12，p.457，Sep. 2018.
  3. Yosuke Horie, Shosei Tomida, Yuichi Miyaji, Masaya Tamura, “Self-Interference Cancellation between Transmitting and Receiving Antennas by Bandstop Filter," Proc. IEICE Gen. Conf.'18，no.C-2-63，p.77，Mar. 2018.
  4. Shinji Nimura，Daigo Furusu，Ippei Takano，Masaya Tamura，"Development of Cavity Resonance enabled Wireless Power Transfer System Independent on Receiving Position," Proc. IEICE Society Conf.'17，no.B-21-22，p.418，Sep. 2017.
  5. Kosuke Murai，Yasumasa Naka，Takuma Nakata，Masaya Tamura，"Clarification of 13.56-MHz Complex Permittivity Under High Electric Field for Fresh Water," Proc. IEICE Society Conf.'17，no.B-21-20，p.416，Sep. 2017.
  6. Daigo Furusu，Ippei Takano，Shinji Nimura，Masaya Tamura，"Design of Differential Power Receiver for Cavity Resonance enabled Wireless Power Transfer," Proc. IEICE Society Conf.'17，no.B-21-23，p.419，Sep. 2017.
  7. Shosei Tomida，Yuichi Miyaji，Masaya Tamura，"Analog Variable Amplitude Phase Shifter with 90° Hybrid Coupler," Proc. IEICE Society Conf.'17，no.C-2-10，p.18，Sep. 2017.
  8. Daigo Furusu，Ippei Takano，Yosuke Watanabe，Masaya Tamura，Wireless Power and Information Transfer utilizing Frequency Selected Surfaces," Proc. IEICE Gen. Conf.'17，no.B-21-6，p.561，Mar. 2017.
  9. Ippei Takano, Yosuke Watanabe，Masaya Tamura, "Study on Multipoint Wireless Power Transfer Method in the Enclosed Space," Proc. IEICE Society Conf.'16, no.B-21-27, p.485, Sep. 2016.
  10. Atsushi Funayama，Masaya Tamura, "Design of Dual Band BPF Using DoubleHairpin Resonator," Proc. IEICE Society Conf.'16, no.C-2-31, p.41, Sep. 2016.
  11. Kyohei Yamamoto, Yasumasa Naka, Kazuki Arai，Masaya Tamura, "Prototype Model of Charging System for AUV by Underwater WPT," Proc. IEICE Gen. Conf.'16, no.BS-8-1, p.S-31, March 2016.
  12. Keita Satoh, Yuuki Aoyagi, Takashi Ohira，Masaya Tamura, "Development of High Power M-derived Filter," Proc. IEICE Gen. Conf.'16, no.B-21-29, p.700, March 2016.
  13. Astushi Funayama，Masaya Tamura, "Basic Study on Design of Dual-band Bandpass Filter," Proc. IEICE Gen. Conf.'16, no.C-2-63, p.92, March 2016.
  14. Yasumasa Naka, Kyohei Yamamoto，Masaya Tamura, "Verification Accuracy in Measurement System of Complex Permittivity Utilizing Complex Voltage," Proc. IEICE Gen. Conf.'16, no.B-21-11, p.623, March 2016.

Lectures

  1. 25-minute talk，“Wireless Power and Information Transfer with Reduced Leakage for Sensors in Equipment and Facilities，”IEICE Society Conf.'17，no.BI-2-7，p.SS55-56，Sep. 2017.
  2. 45-minute talk, “Wireless Power and Information Transfer in Closed area,” WiPoT WG3, Jan. 2017.
  3. 40-minute talk, “Extraction Method for Complex Permittivity of Liquid Phase under High Power RF,” 3rd WiPoT symposium, Oct. 2015.
  4. 40-minute talk, “Basic Study on Bandpass Filters using Hybridmode Resonator,” Memorial Lecture, IEICE technical report. Microwaves, Mar. 2012.
  5. 40-minute talk, “Design of Unbalanced-Balanced Filter Using Hybrid Resonators Based on CRLH-TL Concept,” Microwave Workshops & Exhibition, Nov. 2013.
  6. 20-minute talk, “Compact and Low-Profile LTCC Unbalanced-to-Balanced Filters with Hybrid Resonators,” Special Talk, IEICE technical report. Microwaves, Mar. 2012.
  7. Hour lecture, Workshop on Metamaterials, Dec. 2009.
  8. 20-minute talk, Young Engineer Meeting, Dec. 2008.

Patents

  1. Masaya Tamura, Hiroshi Kagata, and Hiroshi Hashimotodani, J.P. Patent 5938585.
  2. Hidenori Katsumura、Hiroshi Kagata、Masaya Tamura、Kouichi Hasegawa、Hajime Kurikuma、J.P. Patent 5934926.
  3. Masaya Tamura, Hiroshi Kagata, Hiroaki Oka, and Susumu Fukushima, J.P. Patent 5810267.
  4. Masaya Tamura and Hiroshi Kagata, J.P. Patent 5633510.
  5. Masaya Tamura, J.P. Patent 5387572, Oct. 18, 2013.
  6. Masaya Tamura and Toshio Ishizaki, “Left-handed filter for use in mobile phone provided with wide band and improved propagation characteristics,” U.S.Patent 8334733B2.
  7. Toshio Ishizaki and Masaya Tamura, “Resonator and filter using the same,” U.S.Patent 8248190B2.
  8. Masaya Tamura and Toshio Ishizaki, J.P. Patent 5061794, Aug. 17, 2012.
  9. Masaya Tamura and Toshio Ishizaki, J.P. Patent 5045349, Jul. 27, 2012.
  10. Toshio Ishizaki and Masaya Tamura, “Transmission line resonator, high-frequency filter using the same, high-frequency module, and radio device,” U.S.Patent 8222975B2.
  11. Masaya Tamura, Hiroshi Kagata, and Hiroaki Oka, WO2011/142118.
  12. Masaya Tamura, “Composite filter comprising a surface acoustic wave filter and an LC filter,” U.S.Patent 7876178B2.
  13. Masaya Tamura and Yoshikuni Fujihashi, “Antenna Switch Module,”U.S.Patent 7528678B2.
Awards
  • Tatsuya Morita;　Midland Student Express 2018 Spring Student Award IEEE AP/MTT-S Nagoya Chapter　2018年4月
  • Shinji Nimura;　Midland Student Express 2018 Spring Student Award IEEE AP/MTT-S Nagoya Chapter　2018年4月
  • Ippei Takano; 2017 Asian Wireless Power Transfer Workshop Best Student Award, Dec. 2017
  • Shosei Tomida; Midland Student Express 2016 Spring Student Award, May. 2016
  • Masaya Tamura; 2015 IEEE MTT-S Outstanding Young Engineer Award, May. 2015
  • Electromagnetic Wave Engineering Laboratory; MWE2014 University Exhibition Outstanding Award, Dec. 2014
  • Masaya Tamura; 2013 IEEE Kansai Medal, Jan. 2013
  • Masaya Tamura; 2012 IEEE MTT-S Japan Young Engineer Award, Nov. 2012
  • Masaya Tamura; 2012 Michiyuki Uenohara Memorial Award, Nov. 2012
    •
    　　
    Societies
  • IEEE (Senior member)
  • IEICE (Senior member)
    •
    Activities
  • 2018 to -- IEEE MTT-S Nagoya Chapter Vice Chair
  • 2015 to 2016 IEICE Technical Committee on Wireless Power Transfer Secretary
  • Dec. 2013 IEEE AP-S Kansai Chapter and MTT-S Kansai Chapter Young Engineers' Technical Meeting 2013　Chair
  • Aug. 2013 MEXT NISTEP Science and Technology Trends Center　Researcher (up to the present)
  • Jun. 2013 IEEE MTT-S Kansai Chapter 6th Microwave English Meeting　Chair
  • Dec. 2012 IEEE AP-S Kansai Chapter and MTT-S Kansai Chapter Young Engineers' Technical Meeting 2012　Chair
  • Jun. 2012 IEEE MTT-S Kansai Chapter 5th Microwave English Meeting Chair
  • 2012 to 2013 　IEEE MTT-S Kansai Chapter Young Engineer Committee Chair



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