A flyback converter using power MOSFET to achieve high frequency operation beyond 13.56 MHz. - Nobuo Satoh; Hirotaka Otake; Takashi Nakamura; Takashi Hikihara (IECON, 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)

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)