Hirotaka Koizumi

72 papers C 46Journal 15Unranked 11

Year	Rank	Type	Title / Venue / Authors
2025	C	`conf`	A Multi-Load Capacitive Power Transfer System Using Class-E Inverter. ISCAS Kurumi Chika, Wenqi Zhu, Hirotaka Koizumi
2025	C	`conf`	Load-Independent Class-E Rectifier with Variable Gain and Fixed Input Reactance. ISCAS Wenqi Zhu, Hirotaka Koizumi, Ayano Komanaka, Yutaro Komiyama, Hiroo Sekiya
2024	J	`jnl`	Capacitive Power Transfer System Using a Load-Independent Class E Zero Voltage Switching Parallel Resonant Inverter and a Class D Voltage-Driven Rectifier. IEEE Trans. Circuits Syst. II Express Briefs Kazuma Shinde, Hirotaka Koizumi
2023	—	`conf`	Choke-less Class-E Oscillator Using p-MOSFET and n-MOSFET. ISIE Yuta Ikutajima, Hirotaka Koizumi
2023	—	`conf`	Fault-Tolerant Active Neutral-Point-Clamped Multilevel Inverter Maintaining Output Voltage at Failure. ISIE Jun Hitokuwata, Hirotaka Koizumi
2023	C	`conf`	Load-Independent Class E IECON Shizuna Oshima, Hirotaka Koizumi
2023	—	`conf`	Load-Independent Class E ISIE Shizuna Oshima, Hirotaka Koizumi
2022	C	`conf`	HERIC Based PV Inverter Using Partial Sinewave Tracking Dual Mode Control. ISCAS Kazunori Ito, Hirotaka Koizumi
2022	J	`jnl`	Load-Independent Class E IEEE Trans. Circuits Syst. II Express Briefs Tomohiro Sensui, Hirotaka Koizumi
2021	C	`conf`	Voltage-Source Parallel Resonant Class E Oscillator. ISCAS Takeru Kurumizawa, Hirotaka Koizumi
2020	J	`jnl`	Class-E IEEE Trans. Circuits Syst. II Express Briefs Hayato Ueda, Hirotaka Koizumi
2019	C	`conf`	A Common Ground Five-Level Inverter Using Switched Capacitor. IECON Kazunori Ito, Koki Takahashi, Hirotaka Koizumi
2019	C	`conf`	Two-Stage Interleaved DC-DC Converter with Input-Parallel Output-Series Connection. ISCAS Atsushi Matsuda, Hirotaka Koizumi, Takaharu Sato
2019	C	`conf`	Voltage-Source Parallel Resonant Class DE Inverter With Shunt Capacitor. IECON Yuma Mitsusada, Hirotaka Koizumi
2018	C	`conf`	A Wireless Sensor Node Driving System with Bridgeless Bipolar Boost Rectifier Using Thermoelectric Energy Harvesting. ISCAS Keisuke Kimura, Keita Taeda, Shohei Niikawa, Hirotaka Koizumi
2018	C	`conf`	Class D Series-Resonant DC/DC Converter Using Switch-Controlled Capacitor with ON-OFF Feedback Control. IECON Taro Takamori, Tomoyuki Mannen, Hirotaka Koizumi
2018	C	`conf`	Half-Wave Class DE Low dv/dt Rectifier Using Common-Grounded Controlled Shunt Capacitor and Its Design Approach. ISCAS Yoshikazu Sakai, Hirotaka Koizumi
2017	C	`conf`	A hybrid nine-level inverter with series/parallel conversion. ISCAS Yuya Nakagawa, Hirotaka Koizumi
2017	C	`conf`	A single-input dual-output rectifier for piezoelectric energy harvesting. IECON Yuta Kizu, Hirotaka Koizumi
2017	C	`conf`	A thermoelectric energy harvesting system with bridgeless boost/buck-boost rectifier. IECON Keita Taeda, Norihiro Shiina, Keisuke Kimura, Hirotaka Koizumi
2017	C	`conf`	Current-source parallel resonant class E inverter with low peak switch current. IECON Akinobu Shigeno, Takashi Shimizu, Hirotaka Koizumi
2017	C	`conf`	Modularized double-tiered switched capacitor voltage equalizer. IECON Yuma Takeda, Hirotaka Koizumi
2017	C	`conf`	Piezoelectric energy harvesting circuit using full-wave voltage doubling rectifier type series-synchronized switch harvesting on inductor. IECON Yoshki Ochi, Hirotaka Koizumi
2016	C	`conf`	A bridgeless buck AC-DC converter for piezoelectric energy harvesting. IECON Yuta Kizu, Kunihisa Okano, Hirotaka Koizumi
2016	C	`conf`	Class DE voltage driven low dv/dt Rectifier with switch-controlled capacitor. IECON Tsuyoshi Inaba, Akifumi Nakamura, Hirotaka Koizumi
2016	C	`conf`	Modularized chain structure of switched capacitor for cell voltage equalizer with T-connected bi-directional switch. ISCAS Tomoaki Shimizu, Hirotaka Koizumi
2015	C	`conf`	A high step-up DC-DC converter using transformer with intrinsic voltage-doubler. ISCAS Koichi Furukawa, Taro Takiguchi, Ryuga Hosoki, Hirotaka Koizumi
2015	C	`conf`	A study on effect of blocking and bypass diodes on partial shaded PV string with compensating circuit using voltage equalizer. ISCAS Kota Kato, Hirotaka Koizumi
2015	C	`conf`	Class DE voltage-source parallel resonant inverter. IECON Takeshi Kondo, Hirotaka Koizumi
2015	C	`conf`	Interleaved soft-switching multilevel boost converter with coupled inductor. IECON Taro Takiguchi, Koichi Furukawa, Koichi Matsumura, Hirotaka Koizumi
2015	C	`conf`	MPPT controled piezoelectric energy harvesting circuit using synchronized switch harvesting on inductor. IECON Naoki Kawai, Yukito Kushino, Hirotaka Koizumi
2015	C	`conf`	Ripple free operation of two-stage boost type DC-DC converter. IECON Ryuga Hosoki, Shuhei Kinjo, Hirotaka Koizumi
2014	C	`conf`	A design method for single phase Z-source inverter. ISCAS Sho Takeuchi, Naoki Yamashita, Hirotaka Koizumi
2014	C	`conf`	Bidirectional cascaded quasi-Z-source DC-DC converter. IECON Takaharu Sato, Takayuki Shimo, Taro Takiguchi, Hirotaka Koizumi
2014	C	`conf`	Class DE current driven low di/dt rectifier. ISCAS Yutaro Minami, Hirotaka Koizumi
2014	J	`jnl`	Level- and Phase-Shifted PWM for Seven-Level Switched-Capacitor Inverter Using Series/Parallel Conversion. IEEE Trans. Ind. Electron. Asuka Tsunoda, Youhei Hinago, Hirotaka Koizumi
2014	C	`conf`	Modularized LC resonant switched capacitor cell voltage equalizer. IECON Takuya Ohno, Takahumi Suzuki, Hirotaka Koizumi
2014	C	`conf`	Multistage class DE current driven low di/dt rectifier. IECON Yutaro Minami, Hirotaka Koizumi
2013	C	`conf`	Bidirectional chopper using cell voltage equalizing with flyback transformer. IECON Tasuku Anno, Hirotaka Koizumi
2013	C	`conf`	Double-tiered switched capacitor battery charge equalizer with chain structure. IECON Ryohei Fukui, Hirotaka Koizumi
2013	C	`conf`	High-step-up dc-dc converter using voltage multiplier cell with ripple free input current. IECON Ryuga Hosoki, Hirotaka Koizumi
2013	C	`conf`	Interleaved soft-switching multilevel boost converter. IECON Koichi Matsumura, Hirotaka Koizumi
2013	C	`conf`	Quasi-Z-source dc-dc converter with voltage-lift technique. IECON Taro Takiguchi, Hirotaka Koizumi
2013	C	`conf`	Three-level buck-boost dc-dc converter with voltage-lift-type switched-inductor. IECON Kyohei Fukuda, Hirotaka Koizumi
2012	J	`jnl`	A Switched-Capacitor Inverter Using Series/Parallel Conversion With Inductive Load. IEEE Trans. Ind. Electron. Youhei Hinago, Hirotaka Koizumi
2012	—	`conf`	A voltage equalizer using flyback converter with active clamp. APCCAS Tomoyuki Mizuno, Tomoshige Inoue, Keisuke Iwasawa, Hirotaka Koizumi
2012	—	`conf`	Development of three-phase to single-phase matrix converter for improvement of three-phase voltage unbalance in distribution system. APCCAS Ryota Mizutani, Hirotaka Koizumi, Eiji Kamiya, Kentaro Hirose
2012	—	`conf`	Half-wave Class DE Low dv/dt rectifier. APCCAS Kazuaki Fukui, Hirotaka Koizumi
2012	C	`conf`	Zero current switching Type Class DE rectifier. IECON Tsukasa Misawa, Kazuaki Fukui, Hirotaka Koizumi
2011	C	`conf`	A common grounded Z-source buck-boost converter. ISCAS Masato Asano, Daiki Abe, Hirotaka Koizumi
2010	J	`jnl`	A Single-Phase Multilevel Inverter Using Switched Series/Parallel DC Voltage Sources. IEEE Trans. Ind. Electron. Youhei Hinago, Hirotaka Koizumi
2010	C	`conf`	A switched-capacitor inverter using series/parallel conversion. ISCAS Youhei Hinago, Hirotaka Koizumi
2009	—	`conf`	A voltage equalizer applying a charge pump for energy storage systems. ECCTD Tomoshige Inoue, Hirotaka Koizumi
2009	C	`conf`	Influence of Junction Capacitance of Switching Devices on Class E Rectifier. ISCAS Keiichi Sakuma, Hirotaka Koizumi
2008	C	`conf`	Delta-sigma modulated class D ZCS series resonant inverter with an inductive load. ISCAS Hirotaka Koizumi
2007	J	`jnl`	Analysis of the Class DE Inverter With Thinned-Out Driving Patterns. IEEE Trans. Ind. Electron. Hirotaka Koizumi, Kosuke Kurokawa
2007	C	`conf`	Class DE Inverter with Asymmetric Shunt Capacitors. ISCAS Hirotaka Koizumi, Kosuke Kurokawa
2006	J	`jnl`	A Novel Microcontroller for Grid-Connected Photovoltaic Systems. IEEE Trans. Ind. Electron. Hirotaka Koizumi, Tamaki Mizuno, Takashi Kaito, Yukihisa Noda, Norio Goshima, Manabu Kawasaki, Ken Nagasaka, Kosuke Kurokawa
2006	C	`conf`	A comparison of output envelope waveforms of the delta-sigma modulated class D series resonant inverter. ISCAS Hirotaka Koizumi, Kosuke Kurokawa, Shinsaku Mori
2006	J	`jnl`	Analysis of class D inverter with irregular driving patterns. IEEE Trans. Circuits Syst. I Regul. Pap. Hirotaka Koizumi, Kosuke Kurokawa, Shinsaku Mori
2005	—	`conf`	Thinned-out controlled class D inverter with delta-sigma modulated 1-bit driving pulses. ISCAS (2) Hirotaka Koizumi, Kosuke Kurokawa, Shinsaku Mori
2004	—	`conf`	Analysis of class D inverter with irregular driving patterns. ISCAS (5) Hirotaka Koizumi, Kosuke Kurokawa, Shinsaku Mori
2004	J	`jnl`	Design of phase-controlled class E inverter with asymmetric circuit configuration. IEEE Trans. Circuits Syst. II Express Briefs Daisuke Kawamoto, Hiroo Sekiya, Hirotaka Koizumi, Iwao Sasase, Shinsaku Mori
2004	J	`jnl`	FM/PWM control scheme in class DE inverter. IEEE Trans. Circuits Syst. I Regul. Pap. Hiroo Sekiya, Hirotaka Koizumi, Shinsaku Mori, Iwao Sasase, Jianming Lu, Takashi Yahagi
2002	J	`jnl`	Analysis of Class D-E Resonant dc/dc Converter Using Thinned-Out Method. J. Circuits Syst. Comput. Hirotaka Koizumi, Iwao Sasase, Shinsaku Mori
2001	—	`conf`	Design of a generalized phase-controlled class E inverter. ISCAS (3) Daisuke Kawamoto, Hiroo Sekiya, Hirotaka Koizumi, Iwao Sasase
2001	—	`conf`	FM/PWM control scheme on class DE inverter for keeping high power conversion efficiency. ISCAS (3) Hiroo Sekiya, Hirotaka Koizumi, Shinsaku Mori, Iwao Sasase
2000	J	`jnl`	New control scheme for class DE inverter by varying driving signals. IEEE Trans. Ind. Electron. Hiroo Sekiya, Mitsuhiro Matsuo, Hirotaka Koizumi, Shinsaku Mori, Iwao Sasase
1998	J	`jnl`	Consistency of Natural Relations on Sets. Comb. Probab. Comput. Akira Maruoka, Mike Paterson, Hirotaka Koizumi
1995	J	`jnl`	New resonant DC/DC converter with Class de inverter and Class E Rectifier. J. Circuits Syst. Comput. Hirotaka Koizumi, Motoki Fujii, Tadashi Suetsugu, Shinsaku Mori
1995	C	`conf`	Resonant dc/dc Converter with Class E Inverter and Class E Synchronous Rectifier Using Thinned-Out Method. ISCAS Motoki Fujii, Tadashi Suetsugu, Hirotaka Koizumi, Kokichi Shinoda, Shinsaku Mori
1994	C	`conf`	A Class D Type High Frequency Tuned Power Amplifier with Class E Switching Conditions. ISCAS Hirotaka Koizumi, Minoru Iwadare, Shinsaku Mori, Kazunaga Ikeda