High-speed gate drive circuit for SiC MOSFET by GaN HEMT. - Kohei Nagaoka; Kentaro Chikamatsu; Atsushi Yamaguchi; Ken Nakahara; Takashi Hikihara (IEICE Electron. Express, 2015)

Three-Phase LLC Series Resonant DC/DC Converter Using SiC MOSFETs to Realize High-Voltage and High-Frequency Operation. - Yusuke Nakakohara; Hirotaka Otake; Tristan M. Evans; Tomohiko Yoshida; Mamoru Tsuruya; Ken Nakahara (IEEE Trans. Ind. Electron., 2016)

A Fanless Operating Trans-Linked Interleaved 5 kW Inverter Using SiC MOSFETs to Achieve 99% Power Conversion Efficiency. - Tatsuya Miyazaki; Hirotaka Otake; Yusuke Nakakohara; Mamoru Tsuruya; Ken Nakahara (IEEE Trans. Ind. Electron., 2018)

Switching Time Characterization and Modeling of AlN/GaN MIS-HEMTs. - Hitoshi Aoki; Hiroyuki Sakairi; Naotaka Kuroda; Kentaro Chikamatsu; Ken Nakahara (ICIT, 2019)

Hysteretic Control Embedded Boost Converter Operating at 25-MHz Switching. - Junichi Kashiwagi; Atsushi Yamaguchi; Yohei Moriyama; Ken Nakahara (IEEE Trans. Circuits Syst. II Express Briefs, 2019)

Influence of Device Parameter Variability on Current Sharing of Parallel-Connected SiC MOSFETs. - Yohei Nakamura; Naotaka Kuroda; Atsushi Yamaguchi; Ken Nakahara; Michihiro Shintani; Takashi Sato 001 (ATS, 2020)

Magnetic Near-Field Strength Prediction of a Power Module by Measurement-Independent Modeling of Its Structure. - Junichi Kashiwagi; Hiroyuki Sakairi; Hirotaka Otake; Yusuke Nakakohara; Ken Nakahara (IEEE Access, 2020)

Deep-Donor-Induced Suppression of Current Collapse in an AlGaN-GaN Heterojunction Structure Grown on Si. - Taketoshi Tanaka; Norikazu Ito; Shinya Takado; Masaaki Kuzuhara; Ken Nakahara (IEICE Trans. Electron., 2020)

Geometry Independent Hole Injection Current Model of GaN Ridge HEMTs. - Hitoshi Aoki; Hiroyuki Sakairi; Naotaka Kuroda; Atsushi Yamaguchi; Ken Nakahara (ISIE, 2021)

An Evaluation of a New Type of High Efficiency Hybrid Gate Drive Circuit for SiC-MOSFET Suitable for Automotive Power Electronics System Applications. - Masayoshi Yamamoto; Shinya Shirai; Senanayake Thilak; Jun Imaoka; Ryosuke Ishido; Yuta Okawauchi; Ken Nakahara (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2022)

Parasitic Transistor with Hole Injection Current Modeling of AlGaN/GaN Ridge HEMTs. - Hitoshi Aoki; Naotaka Kuroda; Atsushi Yamaguchi; Ken Nakahara (ICECET, 2024)

Effect of the Conduction Resistance of SiC MOSFET on the Harmonics of Inverter Voltage in Wireless Power-Transfer Systems for Electric Vehicles. - Tatsuya Yanagi; Ken Nakahara; Hayato Sumiya; Sakahisa Nagai; Osamu Shimizu; Hiroshi Fujimoto (IEEE Access, 2024)

Learning Gentle Grasping Using Vision, Sound, and Touch. - Ken Nakahara; Roberto Calandra (CoRR, 2025)

Optimizing the Number of Parallel SiC MOSFET Chips in a Wireless Power Transfer Inverter With Pulse Width Control. - Tatsuya Yanagi; Ken Nakahara; Sakahisa Nagai; Osamu Shimizu; Hiroshi Fujimoto (IEEE Trans. Ind. Electron., 2025)