Hirotaka Koizumi

Publication Activity (10 Years)

Years Active: 1994-2023
Publications (10 Years): 23

Top Topics

Feedback Control

Top Venues

IEEE Trans. Circuits Syst. II Express Briefs

Publications

Shizuna Oshima, Hirotaka Koizumi
Voltage-Driven Synchronous Rectifier. ISIE (2023)
Yuta Ikutajima, Hirotaka Koizumi
Choke-less Class-E Oscillator Using p-MOSFET and n-MOSFET. ISIE (2023)
Shizuna Oshima, Hirotaka Koizumi
Capacitive Isolated Inverter with Shunt Capacitance. IECON (2023)
Jun Hitokuwata, Hirotaka Koizumi
Fault-Tolerant Active Neutral-Point-Clamped Multilevel Inverter Maintaining Output Voltage at Failure. ISIE (2023)
Kazunori Ito, Hirotaka Koizumi
HERIC Based PV Inverter Using Partial Sinewave Tracking Dual Mode Control. ISCAS (2022)
Tomohiro Sensui, Hirotaka Koizumi
Parallel Resonant DC-DC Converter. IEEE Trans. Circuits Syst. II Express Briefs 69 (11) (2022)
Takeru Kurumizawa, Hirotaka Koizumi
Voltage-Source Parallel Resonant Class E Oscillator. ISCAS (2021)
Hayato Ueda, Hirotaka Koizumi
DC-DC Converter With Basic Class-E Inverter and Class-E ZCS Rectifier for Capacitive Power Transfer. IEEE Trans. Circuits Syst. II Express Briefs (5) (2020)
Atsushi Matsuda, Hirotaka Koizumi, Takaharu Sato
Two-Stage Interleaved DC-DC Converter with Input-Parallel Output-Series Connection. ISCAS (2019)
Yuma Mitsusada, Hirotaka Koizumi
Voltage-Source Parallel Resonant Class DE Inverter With Shunt Capacitor. IECON (2019)
Kazunori Ito, Koki Takahashi, Hirotaka Koizumi
A Common Ground Five-Level Inverter Using Switched Capacitor. IECON (2019)
Keisuke Kimura, Keita Taeda, Shohei Niikawa, Hirotaka Koizumi
A Wireless Sensor Node Driving System with Bridgeless Bipolar Boost Rectifier Using Thermoelectric Energy Harvesting. ISCAS (2018)
Yoshikazu Sakai, Hirotaka Koizumi
Half-Wave Class DE Low dv/dt Rectifier Using Common-Grounded Controlled Shunt Capacitor and Its Design Approach. ISCAS (2018)
Taro Takamori, Tomoyuki Mannen, Hirotaka Koizumi
Class D Series-Resonant DC/DC Converter Using Switch-Controlled Capacitor with ON-OFF Feedback Control. IECON (2018)
Yuma Takeda, Hirotaka Koizumi
Modularized double-tiered switched capacitor voltage equalizer. IECON (2017)
Yoshki Ochi, Hirotaka Koizumi
Piezoelectric energy harvesting circuit using full-wave voltage doubling rectifier type series-synchronized switch harvesting on inductor. IECON (2017)
Yuya Nakagawa, Hirotaka Koizumi
A hybrid nine-level inverter with series/parallel conversion. ISCAS (2017)
Keita Taeda, Norihiro Shiina, Keisuke Kimura, Hirotaka Koizumi
A thermoelectric energy harvesting system with bridgeless boost/buck-boost rectifier. IECON (2017)
Yuta Kizu, Hirotaka Koizumi
A single-input dual-output rectifier for piezoelectric energy harvesting. IECON (2017)
Akinobu Shigeno, Takashi Shimizu, Hirotaka Koizumi
Current-source parallel resonant class E inverter with low peak switch current. IECON (2017)
Tomoaki Shimizu, Hirotaka Koizumi
Modularized chain structure of switched capacitor for cell voltage equalizer with T-connected bi-directional switch. ISCAS (2016)
Tsuyoshi Inaba, Akifumi Nakamura, Hirotaka Koizumi
Class DE voltage driven low dv/dt Rectifier with switch-controlled capacitor. IECON (2016)
Yuta Kizu, Kunihisa Okano, Hirotaka Koizumi
A bridgeless buck AC-DC converter for piezoelectric energy harvesting. IECON (2016)
Kota Kato, Hirotaka Koizumi
A study on effect of blocking and bypass diodes on partial shaded PV string with compensating circuit using voltage equalizer. ISCAS (2015)
Koichi Furukawa, Taro Takiguchi, Ryuga Hosoki, Hirotaka Koizumi
A high step-up DC-DC converter using transformer with intrinsic voltage-doubler. ISCAS (2015)
Taro Takiguchi, Koichi Furukawa, Koichi Matsumura, Hirotaka Koizumi
Interleaved soft-switching multilevel boost converter with coupled inductor. IECON (2015)
Naoki Kawai, Yukito Kushino, Hirotaka Koizumi
MPPT controled piezoelectric energy harvesting circuit using synchronized switch harvesting on inductor. IECON (2015)
Takeshi Kondo, Hirotaka Koizumi
Class DE voltage-source parallel resonant inverter. IECON (2015)
Ryuga Hosoki, Shuhei Kinjo, Hirotaka Koizumi
Ripple free operation of two-stage boost type DC-DC converter. IECON (2015)
Yutaro Minami, Hirotaka Koizumi
Class DE current driven low di/dt rectifier. ISCAS (2014)
Takaharu Sato, Takayuki Shimo, Taro Takiguchi, Hirotaka Koizumi
Bidirectional cascaded quasi-Z-source DC-DC converter. IECON (2014)
Yutaro Minami, Hirotaka Koizumi
Multistage class DE current driven low di/dt rectifier. IECON (2014)
Takuya Ohno, Takahumi Suzuki, Hirotaka Koizumi
Modularized LC resonant switched capacitor cell voltage equalizer. IECON (2014)
Asuka Tsunoda, Youhei Hinago, Hirotaka Koizumi
Level- and Phase-Shifted PWM for Seven-Level Switched-Capacitor Inverter Using Series/Parallel Conversion. IEEE Trans. Ind. Electron. 61 (8) (2014)
Sho Takeuchi, Naoki Yamashita, Hirotaka Koizumi
A design method for single phase Z-source inverter. ISCAS (2014)
Kyohei Fukuda, Hirotaka Koizumi
Three-level buck-boost dc-dc converter with voltage-lift-type switched-inductor. IECON (2013)
Koichi Matsumura, Hirotaka Koizumi
Interleaved soft-switching multilevel boost converter. IECON (2013)
Tasuku Anno, Hirotaka Koizumi
Bidirectional chopper using cell voltage equalizing with flyback transformer. IECON (2013)
Ryohei Fukui, Hirotaka Koizumi
Double-tiered switched capacitor battery charge equalizer with chain structure. IECON (2013)
Taro Takiguchi, Hirotaka Koizumi
Quasi-Z-source dc-dc converter with voltage-lift technique. IECON (2013)
Ryuga Hosoki, Hirotaka Koizumi
High-step-up dc-dc converter using voltage multiplier cell with ripple free input current. IECON (2013)
Youhei Hinago, Hirotaka Koizumi
A Switched-Capacitor Inverter Using Series/Parallel Conversion With Inductive Load. IEEE Trans. Ind. Electron. 59 (2) (2012)
Tsukasa Misawa, Kazuaki Fukui, Hirotaka Koizumi
Zero current switching Type Class DE rectifier. IECON (2012)
Kazuaki Fukui, Hirotaka Koizumi
Half-wave Class DE Low dv/dt rectifier. APCCAS (2012)
Tomoyuki Mizuno, Tomoshige Inoue, Keisuke Iwasawa, Hirotaka Koizumi
A voltage equalizer using flyback converter with active clamp. APCCAS (2012)
Ryota Mizutani, Hirotaka Koizumi, Eiji Kamiya, Kentaro Hirose
Development of three-phase to single-phase matrix converter for improvement of three-phase voltage unbalance in distribution system. APCCAS (2012)
Masato Asano, Daiki Abe, Hirotaka Koizumi
A common grounded Z-source buck-boost converter. ISCAS (2011)
Youhei Hinago, Hirotaka Koizumi
A Single-Phase Multilevel Inverter Using Switched Series/Parallel DC Voltage Sources. IEEE Trans. Ind. Electron. 57 (8) (2010)
Youhei Hinago, Hirotaka Koizumi
A switched-capacitor inverter using series/parallel conversion. ISCAS (2010)
Keiichi Sakuma, Hirotaka Koizumi
Influence of Junction Capacitance of Switching Devices on Class E Rectifier. ISCAS (2009)
Tomoshige Inoue, Hirotaka Koizumi
A voltage equalizer applying a charge pump for energy storage systems. ECCTD (2009)
Hirotaka Koizumi
Delta-sigma modulated class D ZCS series resonant inverter with an inductive load. ISCAS (2008)
Hirotaka Koizumi, Kosuke Kurokawa
Analysis of the Class DE Inverter With Thinned-Out Driving Patterns. IEEE Trans. Ind. Electron. 54 (2) (2007)
Hirotaka Koizumi, Kosuke Kurokawa
Class DE Inverter with Asymmetric Shunt Capacitors. ISCAS (2007)
Hirotaka Koizumi, Tamaki Mizuno, Takashi Kaito, Yukihisa Noda, Norio Goshima, Manabu Kawasaki, Ken Nagasaka, Kosuke Kurokawa
A Novel Microcontroller for Grid-Connected Photovoltaic Systems. IEEE Trans. Ind. Electron. 53 (6) (2006)
Hirotaka Koizumi, Kosuke Kurokawa, Shinsaku Mori
A comparison of output envelope waveforms of the delta-sigma modulated class D series resonant inverter. ISCAS (2006)
Hirotaka Koizumi, Kosuke Kurokawa, Shinsaku Mori
Analysis of class D inverter with irregular driving patterns. IEEE Trans. Circuits Syst. I Regul. Pap. (3) (2006)
Hirotaka Koizumi, Kosuke Kurokawa, Shinsaku Mori
Thinned-out controlled class D inverter with delta-sigma modulated 1-bit driving pulses. ISCAS (2) (2005)
Hirotaka Koizumi, Kosuke Kurokawa, Shinsaku Mori
Analysis of class D inverter with irregular driving patterns. ISCAS (5) (2004)
Daisuke Kawamoto, Hiroo Sekiya, Hirotaka Koizumi, Iwao Sasase, Shinsaku Mori
Design of phase-controlled class E inverter with asymmetric circuit configuration. IEEE Trans. Circuits Syst. II Express Briefs (10) (2004)
Hiroo Sekiya, Hirotaka Koizumi, Shinsaku Mori, Iwao Sasase, Jianming Lu, Takashi Yahagi
FM/PWM control scheme in class DE inverter. IEEE Trans. Circuits Syst. I Regul. Pap. (7) (2004)
Hirotaka Koizumi, Iwao Sasase, Shinsaku Mori
Analysis of Class D-E Resonant dc/dc Converter Using Thinned-Out Method. J. Circuits Syst. Comput. 11 (1) (2002)
Daisuke Kawamoto, Hiroo Sekiya, Hirotaka Koizumi, Iwao Sasase
Design of a generalized phase-controlled class E inverter. ISCAS (3) (2001)
Hiroo Sekiya, Hirotaka Koizumi, Shinsaku Mori, Iwao Sasase
FM/PWM control scheme on class DE inverter for keeping high power conversion efficiency. ISCAS (3) (2001)
Hiroo Sekiya, Mitsuhiro Matsuo, Hirotaka Koizumi, Shinsaku Mori, Iwao Sasase
New control scheme for class DE inverter by varying driving signals. IEEE Trans. Ind. Electron. 47 (6) (2000)
Akira Maruoka, Mike Paterson, Hirotaka Koizumi
Consistency of Natural Relations on Sets. Comb. Probab. Comput. 7 (3) (1998)
Hirotaka Koizumi, Motoki Fujii, Tadashi Suetsugu, Shinsaku Mori
New resonant DC/DC converter with Class de inverter and Class E Rectifier. J. Circuits Syst. Comput. 5 (4) (1995)
Motoki Fujii, Tadashi Suetsugu, Hirotaka Koizumi, Kokichi Shinoda, Shinsaku Mori
Resonant dc/dc Converter with Class E Inverter and Class E Synchronous Rectifier Using Thinned-Out Method. ISCAS (1995)
Hirotaka Koizumi, Minoru Iwadare, Shinsaku Mori, Kazunaga Ikeda
A Class D Type High Frequency Tuned Power Amplifier with Class E Switching Conditions. ISCAS (1994)