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Tokyo Metropolitan University , Graduate School of Systems Design
About the EMC Laboratory
About the EMC Laboratory
Our research focuses on EMC (Electromagnetic Compatibility), particularly on the issue of electromagnetic noise emitted from electric and electronic devices. With the increasing presence of advanced wireless systems that utilize electromagnetic fields—such as fifth-generation (5G) wireless communication systems and wireless power transfer (WPT) systems—it has become crucial not only to enjoy their convenience but also to ensure their safety when used near the human body.
To address these challenges, we conduct research aimed at the safe and secure use of wireless systems from the perspective of the biological electromagnetic environment. Specifically, we are working on the following research topics:
Research on biological effects of millimeter waves (30–300 GHz)
We evaluate the effects on the human eye and conduct assessments related to cellular exposure.Evaluation of biological effects of intermediate-frequency electromagnetic fields
Our research includes human body dosimetry, evaluation of indirect effects (e.g., contact currents), development of exposure devices for cells and animals, and validation of numerical computation methods.Efficiency improvement of large-scale numerical electromagnetic field and fluid analysis
We are developing and verifying computational theories that use heterogeneous computing with GPUs and many-core processors to perform large-scale simulations efficiently.Standardization activities related to biological effects of electromagnetic fields
We also contribute to the standardization of research related to the biological effects of electromagnetic fields.
We are also developing a paper evaluation system using AI, researching SPR sensors using terahertz waves, and researching surrogate models to speed up simulations using neural networks. If you are interested, please feel free to contact us at the address listed below.
Prof. Yukihisa Suzuki
EMC研究室：電磁環境と生体安全 (1).wavContact：y_suzuki●tmu.ac.jp
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Research achievements
Millimeter-Wave Beam Shaping for Biological Exposure Experiments Using a 265-GHz Gyrotron
Masafumi Fukunari, Yoshinori Tatematsu, Yukihisa Suzuki, Alfred Kik, Toshio Kamijo, Maya Mizuno, Yuusuke Yamaguchi, Masami Kojima, Takafumi Tasaki, Hiroshi Sasaki
IEEE Access 2025
Realistically Poseable Mouse Model for Assessing Exposures to Magnetic Field in the Intermediate Frequency Band
Siriwat Wasoontarajaroen, Hitomi Ishiwata, Jerdvisanop Chakarothai, Shin Ohtani, Akira Ushiyama, Kenji Hattori, Keiji Wada, Masateru Ikehata, Yukihisa Suzuki
IEEE Access 2025
Novel Surface Impedance Formulation via FILT and Prony Method for FDTD Analyses of Lossy Media
Kazuma Takeya, Jerdvisanop Chakarothai, Jun Shibayama, Yukihisa Suzuki, Katsumi Fujii
IEEE Antennas and Wireless Propagation Letters 2024Suppression of Leakage Magnetic Fields in Wireless Power Transfer Using a Sandwich Structure
Misato Akiyama, Hiroaki Arai, Hiroyasu Sano, Teru Obata, Ryujin Arai, Yukihisa Suzuki, Masao Taki
IEEE Access 2024In vivo genotoxicity of high-intensity intermediate frequency magnetic fields in somatic cells and germ cells.
Shin Ohtani, Akira Ushiyama, Keiji Wada, Yukihisa Suzuki, Kenji Hattori
Journal of radiation research 64(2) 250-260 2023Magneto-Optical Probe With Integrated Optical Elements for Measuring Environmental Magnetic Fields in the Low- and Intermediate-Frequency Bands
Yoshihito Kato, Yukihisa Suzuki, Kanako Wake
IEEE Transactions on Instrumentation and Measurement 2023Design and Implementation of Magnetic Field Generator with 82 mT and 85 kHz Bandwidth
Keiji Wada, Yukihisa Suzuki, Akira Ushiyama, Shin Ohtani, Kenji Hattori, Atsushi Saito, Satoshi Nakasono, Satoshi Miyawaki, Takashi Yanagisawa, Yoshiya Ohnuma
IEICE COMMUNICATIONS EXPRESS 2022Analyses of Transient Energy Deposition in Biological Bodies Exposed to Electromagnetic Pulses Using Parameter Extraction Method
CHAKAROTHAI Jerdvisanop, FUJII Katsumi, SUZUKI Yukihisa, SHIBAYAMA Jun, WAKE Kanako
IEICE Transactions on Communications E105.B(6) 694-706 2022 InvitedLeakage magnetic field suppression using wireless power transmission with sandwiched structure
Misato Akiyama, Makoto Kitahara, Teru Obata, Hiroyasu Sano, Yukihisa Suzuki, Masao Taki
IEICE Communications Express 11(3) 135-140 2022Measurement and Exposure Assessment of Intermediate Frequency Magnetic Fields From Electronic Article Surveillance (EAS) Gates in Libraries.
Miwa Ikuyo, Kaoru Esaki, Atsuko Aimoto, Kanako Wake, Sachiko Yamaguchi-Sekino, Noriko Kojimahara, Yukihisa Suzuki, Masao Taki
Frontiers in public health 10 871134-871134 2022Investigation on the human body exposure to the magnetic fields owing to wireless power transmission system with the sandwiched structure
Makoto Kitahara, Yukihisa Suzuki, Masao Taki, Misato Akiyama, Hidekatsu Sasaki, Hiroyasu Sano
2021 34th General Assembly and Scientific Symposium of the International Union of Radio Science, URSI GASS 2021Special Section on Recent Progress in Electromagnetic Theory and Its Application FOREWORD
Koki Watanabe, Yukihisa Suzuki, Yoshiaki Ando, Hiroshi Isakari, Tetsuya Ueda, Mitsunori Ozaki, Ryosuke Ozaki, Takashi Kuroki, Keiji Goto, Takuya Sakamoto …
IEICE TRANSACTIONS ON ELECTRONICS E104C(4) 132-133 2021Dielectric property measurements of corneal tissues for computational dosimetry of the eye in terahertz band in vivo and in vitro.
Maya Mizuno, Hideaki Kitahara, Kensuke Sasaki, Masahiko Tani, Masami Kojima, Yukihisa Suzuki, Takafumi Tasaki, Yoshinori Tatematsu, Masafumi Fukunari, Kanako Wake
Biomedical optics express 12(3) 1295-1307 2021No evidence for genotoxicity in mice due to exposure to intermediate-frequency magnetic fields used for wireless power-transfer systems
Shin Ohtani, Akira Ushiyama, Keiji Wada, Yukihisa Suzuki, Kazuyuki Ishii, Kenji Hattori
Mutation Research/Genetic Toxicology and Environmental Mutagenesis 863-864 503310-503310 2021Cataract Formation by Near‐infrared Radiation in Rabbits
Tsutomu Okuno, Masami Kojima, Sachiko Yamaguchi‐Sekino, Yoshihisa Ishiba, Yukihisa Suzuki, David H. Sliney
Photochemistry and Photobiology 97(2) 372-376 2021Control of Alternating Magnetic Field Distribution Using Twin Coils and Dual-Voltage Source Inverters to Realize High-Performance Biological Evaluation
Kazuki Matsubara, Keiji Wada, Yukihisa Suzuki
IEEE Transactions on Magnetics 57(2) 1-5 2021Evaluation of stimulation threshold in nerve cells by exposure to time-varying magnetic field in in vitro
Masateru Ikehata, Yukihisa Suzuki, Atsushi Saito, Sachiko Yoshie
Quarterly Report of RTRI (Railway Technical Research Institute) 61(4) 297-302 2020The response of the neuronal activity in the somatosensory cortex after high-intensity intermediate-frequency magnetic field exposure to the spinal cord in rats under anesthesia and waking states
Atsushi Saito, Keiji Wada, Yukihisa Suzuki, Satoshi Nakasono
Brain Research 1747 147063-147063 2020Estimation of Switching Loss and Voltage Overshoot of Active Gate Driver by Neural Network
Satomu Yasuda, Yukihisa Suzuki, Keiji Wada
IEICE TRANSACTIONS ON ELECTRONICS E103C(11) 609-612 2020Expanding Exposure Area of Magnetic Field Generator for Biological Evaluation by using Dual Air-Core Inductor
Kazuki Matsubara, Keiji Wada, Yukihisa Suzuki
ECCE 2020 - IEEE Energy Conversion Congress and Exposition 451-455 2020Clinical Course of High-Frequency Millimeter-Wave (162 GHz) Induced Ocular Injuries and Investigation of Damage Thresholds
Masami Kojima, Yukihisa Suzuki, Takafumi Tasaki, Yoshinori Tatematsu, Maya Mizuno, Masafumi Fukunari, Hiroshi Sasaki
JOURNAL OF INFRARED MILLIMETER AND TERAHERTZ WAVES 41(7) 834-845 2020Numerical estimation on the threshold of nerve excitation phenomena by the application of current with multiple frequencies based on Frankenhaeuser-Huxley model
Kei Makino, Yukihisa Suzuki, Masao Taki
Electronics and Communications in Japan 103(5-6) 22-29 2020
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