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Researcher · Tokyo University of Science · Japan

Hirotaka Koizumi

Hirotaka Koizumi publishes mostly in Electrical and Electronic Engineering, Renewable Energy, Sustainability and the Environment and Control and Systems Engineering, on topics such as Advanced DC-DC Converters, Advanced Power Amplifier Design and Multilevel Inverters and Converters.

ORCID 0000-0002-4948-1955 OpenAlex
World rank
#145,059
of 1,633,909 ranked researchers
Rank in Japan
#3,409
of 114,622
Works
42
Citations
311
Citations per work
7.4

What does Hirotaka Koizumi research?

Electrical and Electronic Engineering: 65.3%Renewable Energy, Sustainability and the Environment: 5.6%Control and Systems Engineering: 5.6%Biomedical Engineering: 4.2%other fields: 19.3%65%top field
Electrical and Electronic Engineering65.3%Renewable Energy, Sustainability and the Environment5.6%Control and Systems Engineering5.6%Biomedical Engineering4.2%other fields19.3%

Shares of their own output, by the field each of their topics belongs to. The grey slice is everything not listed.

  1. 1Electrical and Electronic Engineering65% of their works
  2. 2Renewable Energy, Sustainability and the Environment6% of their works
  3. 3Control and Systems Engineering6% of their works
  4. 4Biomedical Engineering4% of their works
  5. 5Mechanical Engineering3% of their works
  6. 6Automotive Engineering3% of their works

Research topics

Which keywords describe Hirotaka Koizumi's research?

The keywords of their largest research topics: Power Electronics, Renewable Energy Integration, Electric Vehicle Charging, DC-DC Converters, Digital Predistortion, High-Frequency Power Conversion, RF Power Amplifiers and Inductive Power Transfer.

Size is their works in the topics tagged with each word, from their 8 largest topics. Each links to the topic it comes from most.

All 19 words, with their numbers
  1. Power Electronics203 topics
  2. Renewable Energy Integration203 topics
  3. Electric Vehicle Charging172 topics
  4. DC-DC Converters121 topic
  5. Digital Predistortion121 topic
  6. High-Frequency Power Conversion121 topic
  7. RF Power Amplifiers121 topic
  8. Inductive Power Transfer51 topic
  9. Model Predictive Control51 topic
  10. Multilevel Converters51 topic
  11. Wireless Power Transfer51 topic
  12. CMOS31 topic
  13. Distributed Power Generation31 topic
  14. Maximum Power Point Tracking31 topic
  15. Microgrid Control31 topic
  16. Oscillators31 topic
  17. Photovoltaic Arrays31 topic
  18. Reliability31 topic
  19. Wide Bandgap Semiconductors31 topic

Where does Hirotaka Koizumi work?

Hirotaka Koizumi's main affiliation in the publication record is Tokyo University of Science, Japan.

How many publications and citations does Hirotaka Koizumi have?

Science Explorer counts 42 works and 311 citations for Hirotaka Koizumi, ranking #145,059 of 1,633,909 researchers worldwide on the composite score.

Ranked on field-normalised excellence (50%), output (30%) and citations (20%). Counts come from OpenAlex author records, which occasionally merge different people who share a name or split one person into several.

Papers, co-authors, who cited this work and researchers on the nearest topics are in the interactive view on the map. Is this your page? Request a correction or removal.