J-GLOBAL         Last updated: May 9, 2019 at 19:10
Tohoku University
Job title
工学博士(Tohoku University)
Other affiliation
Tohoku University

Research Areas


Academic & Professional Experience

Apr 2012
Professor, Department of Electrical Engineering, Graduate School of Engineering, Tohoku University
Aug 2010
Professor, New Industry Creation Hatchery Center, Tohoku University
Apr 2003
Mar 2012
Professor, Department of Electrical and Communication Engineering, Graduate School of Engineering, Tohoku University
Jul 1991
Mar 2003
Visiting Associate Professor, University of Wisconsin-Madison (1995.10-1995.12), Research Institute of Electrical communication, Tohoku University
Oct 1995
Dec 1995
Visiting associate professor, Department of Electrical and Computer Engineering, University of Wisconsin-Madison
Oct 1988
Jun 1991
Assistant professor, Research Institute of Electrical Communication, Tohoku University
Apr 1984
Sep 1988
Assistant Professor, Department of Electrical Engineering, Faculty of Engineering, Tohoku University


Apr 1981
Mar 1984
Department of Electrical Engineering, Graduate School of Engineering, Tohoku University
Apr 1979
Mar 1981
Master Course, Department of Electrical and Communication Engineering, Graduate School of Engineering, Tohoku University
Apr 1975
Mar 1979
Department of Electrical Engineering, Faculty of Engineering, Tohoku University

Committee Memberships

Jan 2019
IEEE Magnetics Society  President-Elect
Sep 2018
MMM 2019 (2019.11, Las Vegas, NV, USA)  Program Committee member
Jul 2018
IEEE Magnetics Society  Early Carrier Award Sub-Committee, Chair
Apr 2018
Tohoku University, Research Institute of Electrical Communication  Technical Group on Spincs, Chair
Mar 2018
The Magnetics Society of Japan  Sendai Intermag2023 Bid Committee, Chair (Sendai selected)
Mar 2018
Japan National Tourism Organization (JNTO)  MICE Ambassador
Jan 2018
International Workshop on Power Supply On Chip (PwrSoc 2018, Hsinchu, Taiwan)  Technical Program Committee member
Jan 2018
Joint MMM/Intermag 2019 (2019.01, Washington, DC, USA)  Program Committee member
Jan 2018
IEEE Magnetics Society  Sendai/Sapporo Joint Section Chapter, Chair
Oct 2017
The 12th International Workshop on the Electromagnetic Compatibility of Integrated Circuits (EMC Compo 2019)  International Technical Committee member

Awards & Honors

Oct 2018
IEC 1906 Award, International Electrotechnical Commissoin
IEC1906 Award:
The 1906 Award commemorates the IEC's year of foundation and honours IEC experts around the world whose work is fundamental to the IEC.
Aug 2017
Sendai Chapter, Chapter-of-the-Year Award, IEEE EMC Society
Winner: IEEE EMC Society Sendai Chapter (Masahiro Yamaguchi, Chair)
May 2015
On-chip Integrated Magnetic Thin-Film Solution to Countermeasure Digital Noise on RF IC, Best Symposium Paper Award, Asia-Pacific EMC Symposium (APEMC2015)
Winner: Masahiro Yamaguchi, Satoshi Tanaka, Yasushi Endo, Sho Muroga, Makoto Nagata
May 2014
Control of EM noise autotoxemia in telecom IC by means of magnetic film, Wireless technology award, Outstanding award, NE Japan
Winner: YAMAGUCHI.Endo(Y) lab
Jun 2012
Influence of Spin Torque on the Noise of TMR Heads in the GHz Range, SRC Paper Award, SRC Storage Research Consortium
Winner: Tetsuya Abe, Yasushi Endo, Masahiro Yamaguchi
Winning target paper:
The Journal of the Magnetics Society of Japan, Vol. 35, No.4, pp. 345-348 (2011), by the same author with the same title.
Sep 2010
Synthesis and magnetic softness of sub-micron amorphous particles, Best paper award, The Magnetics Society of Japan
Winner: Yutaka Shimada, Yasushi Endo, Masahiro Yamaguchi, Satoshi Okamoto, Osamu Kitakami, Yosuke Konno, Hiroyuki Matsumoto, Shigeyoshi Yoshida
J. Magn. Soc. Japan, Vol. 35 (2011) No. 3 pp.330-334
Sep 2004
Develpment of a series of permeameter development up to 9GHz, Best Paper Award, The Magnetics Society of Japan
Winner: Masahiro Yamaguchi, Yasunori Miyazawa, Ken-Ichi Arai
Sep 2004
Development & Productization of 9GHz-range permeameter PMM-9G1, New Technology/Product Award, The Magnetics Society of Japan
Winner: Roywa Electronics Co., Masahiro Yamaguchi
Sep 2004
Establishment of GHz-range permeability measurement methdology, Excellence Research Award, The Magnetics Society of Japan
Winner: Masahiro Yamaguchi
Jan 2002
High frequency magnetic field measurements by multilayer shielded-loop coil, Promotion of Scientific Measurements Awardtific Measurements Award, Promotion of Scientific Measurements
Winner: Masahiro Yamaguchi

Published Papers

High-Q on-chip C-band inductor with a nanocrystalline MnZn-ferrite film core
Ranajit Sai, RD Ralandinliu Kahmei, S. A. Shivashankar, and Masahiro Yamaguchi
IEEE Transactions on Magentics   55    2019   [Refereed]
(in press)
Miniaturized on-chip inductor was develop for the C-band (4-8 GHz) and beyond to meet upcoming 5G technology device necessity. This paper presents the deposition of nanocrystalline manganese-zinc ferrite (MnxZn1-xFe2O4; x=0.5) thin film...
Masahiro Yamaguchi, Takeshi Yanai, Hidetoshi Nakayama, Ranajit Sai, Hiroaki Fujiwara, Yuki Kitai, Mikio Sato, and Ushio Sangawa
IEEE Transactions on Magnetics   54(11)    Nov 2018   [Refereed]
Application of negative permeability beyond ferromagnetic resonance frequency is discussed in this paper. Targeted application is the skin effect suppression technology for long wiring on high-speed and low-delay I/O board. An 11.9 μm-thick Ni-Fe/...
Sai Ranajit, Sato Mitsuharu, Takeda Shigeru, Yabukami Shin, Yamaguchi Masahiro
Measurement and Magnetic Countermeasure Methodology to Deal with Inverter Noise
Masahiro Yamaguchi, Yasunori Miyazawa, Jinyang Ma, Mitsuharu Sato, Akihiro Takahashi, Satoshi Tanaka, Makoto Nagata, Ranajit, Sai
Proc. International symposium and exhibition on electromagnetic compatibility (EMC EUROPE 2018)   1 608-612   Aug 2018   [Refereed]
Ranajit Sai, Mitsuharu Sato, Yasunori Miyazawa, Akihiro Takahashi, and Masahiro Yamaguchi
IEEE Transactions on Magnetics      Jul 2018   [Refereed]
This article has been accepted for inclusion in a future issue of this journal. Content is final as presented, with the exception of pagination.
Suppression of Unnecessary Radio Wave Radiated from Inverter Equipment Using Noise Suppression Sheet
Koichi Kondo, Masaki Kurimoto, Yusuke Ohdaira, Yasunori Miyazawa, Satoshi Tanaka, Makoto Nagata, Yasuyuki Okiyoneda, and Masahiro Yamaguchi
   Jul 2018
Masahiro YAMAGUCHI, Satoshi TANAKA, Shigeyoshi YOSHIDA, Kazushi ISHIYAMA, Makoto NAGATA, Koichi KONDO, Yasuyuki OKIYONEDA, Mitsuharu SATO, Yasunori MIYAZAWA, and Kensuke HATAKEYAMA
IEICE Trans. Commun.   J101-B(3) 204-211   Mar 2018   [Refereed][Invited]
Ranajit Sai, Mitsuharu Sato, Shigeru Takeda, Shin Yabukami, Masahiro Yamaguchi
J. Magn. Magn. Mater.   459 49-56   Jan 2018   [Refereed]
Y. Miyazawa, Satoshi Tanaka, Jingyan Ma, Masahiro Yamaguchi, Makoto Nagata, Koichi Kondo, Yasuyuki Okiyoneda, Masahiro Nishizawa
Proc. 2017 IEEE International Symposium on EMC+SIPI   1 283-287   Aug 2017   [Refereed]
M. Yamaguchi, Y. Endo, P. Fan, J. Ma, S. Tanaka, Y. Miyazawa, M. Nagata
Proc. EMC COMPO2017   1 45-49   Jul 2017   [Refereed]


Magnetics Japan   14(1) 1-3   Feb 2019   [Refereed][Invited]
Masahiro Yamaguchi
IEEJ Transactions on Fundamentals and Materials   138(1) 28-29   Jan 2018   [Refereed][Invited]
This article firstly outlines organization and activities of the Technical Committee on Magnetics, followed by introduction of
recent technological collaboration within and out of the Institute of the Electrical Engineers of Japan. The area of col...
EMC in future
Masahiro Yamaguchi
Solution Tchnology EMC   (345) 47-47   Jan 2017   [Invited]
EMC in future
Masahiro Yamaguchi
Solution Tchnology EMC   (333) 45-45   Jan 2016   [Invited]
Electromagnetic Field Simulation of Power Losses in Electromagnetic Noise Suppressor
Masahiro Yamaguchi, Sho Muroga
Magnetics Japan   10(1) 23-29   Feb 2015   [Invited]
Magnetic thin film integration on to an RFIC TEG chip fully impremented with LTC-class receiver circuit
Solution Tchnology EMC   (318) 49-52   Oct 2014   [Invited]
Study on high resolution electromagnetic probe
Yasushi Endo, Sho Muroga, Kaoru Arai, Yojiro Shigeta, Masahiro Yamaguchi
Solution Tchnology EMC   (318) 49-52   Oct 2014   [Invited]
IC chip level low digital-noise technology for RF signal processing
Satoshi Tanaka, Masahiro Yamaguchi
Solution Tchnology EMC   (318) 17-21   Sep 2014
日本磁気学会誌   28(5) 686-692   2004   [Invited]
Current Status and Future Prospects of RF Integrated Inductors
M. Yamaguchi
The Journal of The Institute of Electrical Engineers of Japan   123(11) 716-718   Nov 2003   [Invited]

Books etc

"Chapter 5, Magnetic Films for Planar Inductive Components and Devices,MAGNETIC THIN FILM DEVICES," Edited by J. Douglas Adam, A Volume of Handbook of Thin Film Devices: Frontiers of research, Technology and Applications, Academic Press
Masahiro Yamaguchi
白江公輔,島田寛,荒井賢一 (Part:Joint Editor, 4.3節(デバイス構成の焦点)161頁~184頁,4.4節(応用への展開)184頁~205頁)
工業調査会   Oct 1992   

Conference Activities & Talks

The 2019 Annal Meeting of the Institute of Electrical Enginerrs of Japan   14 Mar 2019   
In this paper, we call miniaturized planar inductor and planar transformer as 'power micro magnetic device' and introduce the background of planar inductor development mainly back to the early 1980's. These devices are so developed for power conve...
Masahiro Yamaguchi(Presenter), Satoshi Tanaka, Kazushi Ishiyama, Kensuke Hatakeyama, Makoto Nagata, Koichi Kondo, Yasuyuki Okiyoneda
Microwave Workshop & Exhibition - MWE2018, WE4E-4   28 Nov 2018   IEICE
(Invited) Magnetic Powder Composite Noise Suppressor to be Embedded in IC Chip Interposer [Invited]
Department Seminar, Yeungnam University   21 Nov 2018   Department of Physics, Yeungnam University
As the 5th generation telecommunication system is being implemented to practical use soon, possible desensitization of receiver circuit of a cell phone handset is interested because of increasing unnecessary radio waves. This talk discusses a new ...
(Invited) A New Magnetic Technology to Improve Receiver Sensitivity of Mobile Handset Against Unnecessary Wave Radiation [Invited]
Special meeting on Spinics   15 Nov 2018   RIEC Nation-wide Cooperative Research Projects - Spinics, Tohoku University & IEEE Magnetics Society Sendai/Sapporo Joint Section Chapter
Three kinds of hexagonal ferrites are studied to explore their suitability as an electromagnetic noise suppressor for 6 GHz band. The 50 vol.% of Y-Type hexaferrite composite sheet exhibits the loss ratio, Ploss/Pin, as high as 0.21. This value is...
(Invited) Soft Magnetic Film Application to Improve Power & Signal Integrity in IC Chip [Invited]
Masahiro Yamaguchi
Department Seminar, Northeastern University   8 Aug 2018   Dept. of Electrical and Computer Engineerring, Northeastern University
(Invited) Soft Magnetic Film Application to Improve Power & Signal Integrity in IC Chip [Invited]
Masahiro Yamaguchi
IEEE Magnetics Society Boston Chapter Seminar   7 Aug 2018   IEEE Magnetics Society Boston Chapter
(Invited) Soft Magnetic Thin Film Applications for integrated electronics [Invited]
Masahiro Yamaguchi
Department Seminar, Dartmouth College   6 Aug 2018   Department of Electrical & Computer Engineering, Thayer School of Engineering
(Invited) Soft Magnetic Thin Film Applications based on Nanotechnology
Masahiro Yamaguchi
IEEE Nanotech Summer School 2018 – India   17 Jul 2018   
(invited) Soft Magnetic Thin Film Applications for integrated electronics [Invited]
Masahiro Yamaguchi
IEEE Power Electronics Society (PELS) Bengaluru Chapter Seminar, July 16th, 2018   16 Jul 2018   
Ranajit Sai1, Mitsuharu Sato1, Yasunori Miyazawa1, Akihiro Takahashi1, Masahiro Yamaguchi(Presentor)
The 5th International Conference of Asian Union of Magnetic Societies 2018 (IcAUMS2018)   6 Jun 2018   The Asian Union of Magnetics Societies

Research Grants & Projects

Research and Development on the Improvement of Radio Wave Environment Coreesponding to Broadening Unnecessary Radio Wave
Ministry of Internal Affairs and Telecommunication: The Radio Use RD
Project Year: Aug 2015 - Mar 2019    Investigator(s): Masahiro Yamaguchi
Japan Society for the Promotoin of Science (JSPS): Two Countries Joint Research Projects (Japan - India)
Project Year: Jun 2015 - Mar 2017    Investigator(s): Masahiro Yamaguchi / Navakanta Baht
This project aims at the development of high frequency magnetic materials suitable for application in next generation cellular systems to be operated in X-band (8-10 GHz) frequencies on or after the year 2020 world widely.
R&D Center of Excellence for Integrated Microsystems
Ministry of of Education, Culture, Sports, Science and Technology: Creation of Innovation Centers for Advanced Interdisciplinary Research reas Program
Project Year: Jul 2007 - Mar 2017    Investigator(s): Masayoshi Esashi / Takahito Ono
Japan Science and Technology Agency (JST): JST Revitalizatoin Promotion Program
Project Year: Oct 2012 - Mar 2015    Investigator(s): YAMAGUCHI Masahiro
Research and Development of IC Chip Level Low Noise Technology for High Speed and High Quality Telecommunication System
Ministry of Internal Affairs and Telecommunication: The Radio Use R&D
Project Year: Aug 2010 - Mar 2014    Investigator(s): Masahiro Yamaguchi
Japan Society for the Promotoin of Science (JSPS): Two Countries Joint Research Projects (Japan - Spain)
Project Year: Jun 2006 - May 2008    Investigator(s): Masahiro Yamaguchi / Manuel Vazquez
Ministry of of Education, Culture, Sports, Science and Technology: Grants-in-Aid for Science Research, Exploratory Research
Project Year: May 2006 - Mar 2008    Investigator(s): Masahiro Yamaguchi
Miniature & High-Q RF Integrated Magentic Thin Film Inductor
Ministry of Internal Affairs and Telecommunication: Grant-in-Aid for Scientific Research on Priority Areas
Project Year: May 2001 - Mar 2004    Investigator(s): YAMAGUCHI Masahiro
Development of GHz-Drice Magnetic Thin Film Inductor
Ministry of of Education, Culture, Sports, Science and Technology: Grants-in-Aid for Science Research (A) (2)
Project Year: May 2000 - Mar 2003    Investigator(s): Masahiro Yamaguchi

Social Contribution

[Interviewee]  Japan National Tourism Organization  MICE in Japan - Case Studies: Voice of Organizer (in Japanese)  (MICE in Japan - Case Studies: Voice of Organizer (in Japanese))  18 Feb 2019 - Today
Conference Ambassador
[Organizing Member]  Japan National Tourism Organization  Mar 2018 - Today
IEEE Nanotech Council Summer School 2018 - India
[Lecturer]  IEEE Nanotech Countcil  Soft Magnetic Thin Film Applications based on Nanotechnology  (Bengaluru, India)  17 Jul 2018 - 17 Jul 2018
IEEE Magnetics Society Summer School Lecturer
[Lecturer]  IEEE Magnetics Society  Soft Magnetic Thin Film Applications I, II  (Sendai, Japan)  12 Jul 2016 - 12 Jul 2016
[Lecturer]  IEEE Magnetics Society  Soft Magnetic Thin Film Applications at Radio Frequencies  (87 Lectures in 23 countries)  1 Jan 2012 - 31 Dec 2012
This lecture begins with a review of new soft magnetic thin film applications at radio frequencies for future system-in-package (SiP) and system-on-chip (SoC) technologies. Proposed in late 1970s, these thin film soft magnet applications have evol...


Aug 2018   Thesis reviewer, Dartmouth College, USA
Oct 2008   Thesis reviewer, TU Delft, The Netherlands