High efficiency single-inductor dual-output DC-DC converter with ZVS-PWM control. - Yoshiki Sunaga; Naoya Shiraishi; Koyo Asaishi; Nobukazu Tsukiji; Yasunori Kobori; Nobukazu Takai; Haruo Kobayashi 001 (ASICON, 2015)

Delay-time suppression technique for DC/DC buck converter using voltage mode PWM control. - Manimel Wadu Sahan Dulara; Nobukazu Tsukiji; Yasunori Kobori; Koyo Asaishi; Nobukazu Takai; Haruo Kobayashi 001 (ISPACS, 2017)

EMI reduction technique with noise spread spectrum using swept frequency modulation for hysteretic DC-DC converters. - Natsuko Miki; Nobukazu Tsukiji; Koyo Asaishi; Yasunori Kobori; Nobukazu Takai; Hamo Kobayashi (ISPACS, 2017)

Constant on-time controlled four-phase buck converter via two ways of saw-tooth-wave circuit and PLL circuit. - Yi Xiong; Koyo Asaishi; Natsuko Milli; Yifei Sun 001; Nobukazu Tsukiji; Yasunori Kobori; Haruo Kobayashi 001 (ISPACS, 2017)