The practical evaluations of time-sharing high-frequency resonant soft-switching inverter for all metal IH cooking appliances. - Takayuki Hirokawa; Eiji Hiraki; Toshihiko Tanaka; Masayuki Okamoto; Mutsuo Nakaoka (IECON, 2012)

Dual-frequency multiple-output resonant soft-switching inverter for induction heating cooking appliances. - Takayuki Hirokawa; Eiji Hiraki; Toshihiko Tanaka; Makoto Imai; Kenji Yasui; Shinichiro Sumiyoshi (IECON, 2013)

Improved Thin Heating Coil Structure of Copper Foil Feasible for Induction Cookers. - Kazuhiro Umetani; Tomohiro Mishima; Eiji Hiraki; Takayuki Hirokawa; Makoto Imai; Hideki Sadakata (IECON, 2018)