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Researcher · GS Yuasa (Japan) · Japan

K. Hirachi

K. Hirachi publishes mostly in Electrical and Electronic Engineering, Automotive Engineering and Control and Systems Engineering, on topics such as Advanced DC-DC Converters, Multilevel Inverters and Converters and Advanced Battery Technologies Research.

OpenAlex
World rank
#5,768,799
of 7,710,434 ranked researchers
Rank in Japan
#205,937
of 383,136
Works
49
Citations
480
Citations per work
9.8
h-index
12
i10-index 18Top 41% in Electrical and Electronic Engineering
K. Hirachi

What does K. Hirachi research?

K. Hirachi's work is mostly in Engineering (91%), Energy (5%).

Physical Sciences: 47 works · 95.9% of their workEngineering: 45 works · 91.0% of their workElectrical and Electronic Engineering: 29 works · 60.0% of their workAutomotive Engineering: 6 works · 11.7% of their workControl and Systems Engineering: 5 works · 11.0% of their workMechanical Engineering: 4 works · 8.3% of their workEnergy: 2 works · 4.9% of their workEnergy Engineering and Power Technology: 1 works · 2.8% of their workRenewable Energy, Sustainability and the Environment: 1 works · 2.1% of their workEverything else: 2 works · 4.1% of their workTHEIR WORKK. Hirachi49works
Physical Sciences96%

Their six largest subfields, inside their fields and domains; the grey slice is everything else they publish. The interactive view splits every one of their works down to single topics.

The fields and subfields, with their numbers
    1. Engineering4591.0%
    2. Energy24.9%
  2. Everything else24.1%
  1. 1Electrical and Electronic Engineering60% of their works
  2. 2Automotive Engineering12% of their works
  3. 3Control and Systems Engineering11% of their works
  4. 4Mechanical Engineering8% of their works
  5. 5Energy Engineering and Power Technology3% of their works
  6. 6Renewable Energy, Sustainability and the Environment2% of their works

Research topics

Which keywords describe K. Hirachi's research?

The keywords of their largest research topics: Power Electronics, Renewable Energy Integration, Electric Vehicle Charging, DC-DC Converters, High-Frequency Power Conversion, Model Predictive Control, Multilevel Converters and Battery Management Systems.

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 21 words, with their numbers
  1. Power Electronics824 topics
  2. Renewable Energy Integration733 topics
  3. Electric Vehicle Charging432 topics
  4. DC-DC Converters361 topic
  5. High-Frequency Power Conversion361 topic
  6. Model Predictive Control221 topic
  7. Multilevel Converters221 topic
  8. Battery Management Systems171 topic
  9. Lithium-ion Batteries171 topic
  10. Efficiency Optimization162 topics
  11. Distributed Power Generation151 topic
  12. Microgrid Control151 topic
  13. Wireless Power Transfer132 topics
  14. Induction Heating91 topic
  15. Resonant Inverters91 topic
  16. Inductive Power Transfer71 topic
  17. Magnetic Resonant Coupling71 topic
  18. Information Transfer61 topic
  19. Wireless Energy Harvesting61 topic
  20. Energy Storage41 topic
  21. Power Systems41 topic

Where does K. Hirachi work?

K. Hirachi's main affiliation in the publication record is GS Yuasa (Japan), Japan.

How many publications and citations does K. Hirachi have?

OpenAlex counts 49 works and 480 citations for K. Hirachi, an h-index of 12, ranking #5,768,799 of 7,710,434 researchers worldwide on the quality 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 have tabs of their own, above. Is this your page? Claim it with your ORCID iD, or request a correction or removal.

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