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Fingerprint Dive into the research topics where Hirotaka Koizumi is active. These topic labels come from the works of this person. Together they form a unique fingerprint.

  • 5 Similar Profiles
Electric potential Engineering & Materials Science
Networks (circuits) Engineering & Materials Science
Capacitors Engineering & Materials Science
Switches Engineering & Materials Science
Energy harvesting Engineering & Materials Science
DC-DC converters Engineering & Materials Science
Conversion efficiency Engineering & Materials Science
Equalizers Engineering & Materials Science

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Research Output 1994 2019

  • 1417 Citations
  • 17 h-Index
  • 87 Conference contribution
  • 27 Article
  • 14 Conference article
  • 3 Paper
1 Citation (Scopus)

A Boost-Type Nine-Level Switched Capacitor Inverter

Nakagawa, Y. & Koizumi, H., 1 Jul 2019, In : IEEE Transactions on Power Electronics. 34, 7, p. 6522-6532 11 p., 8492438.

Research output: Contribution to journalArticle

Capacitors
Electric potential
Experiments
MATLAB
Capacitance

Class-DEM Tuned Power Amplifier

Inaba, T. & Koizumi, H., 1 Jan 2019, In : IEEE Transactions on Power Electronics. 34, 1, p. 403-415 13 p., 8322198.

Research output: Contribution to journalArticle

Power amplifiers
Electric potential
Zero voltage switching
Derivatives
Conversion efficiency

Two-stage interleaved DC-DC converter with input-parallel output-series connection

Matsuda, A., Koizumi, H. & Sato, T., 1 Jan 2019, 2019 IEEE International Symposium on Circuits and Systems, ISCAS 2019 - Proceedings. Institute of Electrical and Electronics Engineers Inc., 8702459. (Proceedings - IEEE International Symposium on Circuits and Systems; vol. 2019-May).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

DC-DC converters
Networks (circuits)
Electric potential
Semiconductor devices
Capacitance

Voltage-Source Parallel Resonant Class e Inverter

Shigeno, A. & Koizumi, H., 1 Oct 2019, In : IEEE Transactions on Power Electronics. 34, 10, p. 9768-9778 11 p., 8610315.

Research output: Contribution to journalArticle

Networks (circuits)
Electric potential
Conversion efficiency
Capacitors
Zero voltage switching

A High Step-Up Dual Switches DC-DC Converter with Three-Winding Coupled Inductor and Charge Pump

Takahashi, K., Matsuda, A., Nakagawa, Y. & Koizumi, H., 3 Dec 2018, 2018 IEEE Energy Conversion Congress and Exposition, ECCE 2018. Institute of Electrical and Electronics Engineers Inc., p. 1253-1258 6 p. 8558333. (2018 IEEE Energy Conversion Congress and Exposition, ECCE 2018).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

DC-DC Converter
DC-DC converters
Converter
Pump
Switch