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Researcher · The University of Tokyo · Japan

Kunio Hirao

Kunio Hirao publishes mostly in Astronomy and Astrophysics, Electrical and Electronic Engineering and Aerospace Engineering, on topics such as Ionosphere and magnetosphere dynamics, Solar and Space Plasma Dynamics and Astro and Planetary Science.

OpenAlex
World rank
#4,643,208
of 7,710,434 ranked researchers
Rank in Japan
#138,044
of 383,136
Works
62
Citations
321
Citations per work
5.2
h-index
11
i10-index 12Top 52% in Astronomy and Astrophysics
Kunio Hirao

What does Kunio Hirao research?

Kunio Hirao's work is mostly in Physics and Astronomy (43%), Engineering (22%), Earth and Planetary Sciences (6%).

Physical Sciences: 44 works · 70.5% of their workPhysics and Astronomy: 26 works · 42.6% of their workAstronomy and Astrophysics: 26 works · 42.6% of their workEngineering: 14 works · 21.9% of their workElectrical and Electronic Engineering: 7 works · 11.8% of their workAerospace Engineering: 6 works · 10.1% of their workEarth and Planetary Sciences: 4 works · 6.0% of their workAtmospheric Science: 2 works · 3.0% of their workGeophysics: 2 works · 3.0% of their workEverything else: 15 works · 24.8% of their workLife Sciences: 3 works · 4.7% of their workBiochemistry, Genetics and Molecular Biology: 3 works · 4.7% of their workMolecular Biology: 3 works · 4.7% of their workTHEIR WORKKunio Hirao62works
Life Sciences5%Physical Sciences70%

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. Physics and Astronomy2642.6%
    2. Engineering1421.9%
    3. Earth and Planetary Sciences46.0%
  2. Everything else1524.8%
    1. Biochemistry, Genetics and Molecular Biology34.7%
  1. 1Astronomy and Astrophysics43% of their works
  2. 2Electrical and Electronic Engineering12% of their works
  3. 3Aerospace Engineering10% of their works
  4. 4Molecular Biology5% of their works
  5. 5Geophysics3% of their works
  6. 6Atmospheric Science3% of their works

Research topics

Which keywords describe Kunio Hirao's research?

The keywords of their largest research topics: Solar Wind, Ionosphere, Magnetosphere, Coronal Mass Ejections, Solar Dynamics Observatory, Solar System Abundances, Terrestrial Planets and Plasma Etching.

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 17 words, with their numbers
  1. Solar Wind442 topics
  2. Ionosphere241 topic
  3. Magnetosphere241 topic
  4. Coronal Mass Ejections201 topic
  5. Solar Dynamics Observatory201 topic
  6. Solar System Abundances201 topic
  7. Terrestrial Planets201 topic
  8. Plasma Etching131 topic
  9. Semiconductor Industry131 topic
  10. Geomagnetic Field81 topic
  11. Magnetosome Formation81 topic
  12. Ionospheric Anomalies51 topic
  13. Seismic Electromagnetics51 topic
  14. Material Analysis41 topic
  15. Spectroscopy41 topic
  16. Stable Isotopes41 topic
  17. Trophic Position41 topic

Where does Kunio Hirao work?

Kunio Hirao's main affiliation in the publication record is The University of Tokyo, Japan.

How many publications and citations does Kunio Hirao have?

OpenAlex counts 62 works and 321 citations for Kunio Hirao, an h-index of 11, ranking #4,643,208 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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