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Yasushi Koyama

Yasushi Koyama publishes mostly in Molecular Biology, Atomic and Molecular Physics, and Optics and Biochemistry, on topics such as Photosynthetic Processes and Mechanisms, Spectroscopy and Quantum Chemical Studies and Antioxidant Activity and Oxidative Stress.

World rank
#351,201
of 1,633,909 ranked researchers
Rank in Japan
#11,453
of 114,622
Works
32
Citations
188
Citations per work
5.9

What does Yasushi Koyama research?

Molecular Biology: 21.4%Atomic and Molecular Physics, and Optics: 14.3%Biochemistry: 11.9%Spectroscopy: 9.5%other fields: 42.9%21%top field
Molecular Biology21.4%Atomic and Molecular Physics, and Optics14.3%Biochemistry11.9%Spectroscopy9.5%other fields42.9%

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

  1. 1Molecular Biology21% of their works
  2. 2Atomic and Molecular Physics, and Optics14% of their works
  3. 3Biochemistry12% of their works
  4. 4Spectroscopy10% of their works
  5. 5Physical and Theoretical Chemistry10% of their works
  6. 6Renewable Energy, Sustainability and the Environment7% of their works

Research topics

Which keywords describe Yasushi Koyama's research?

The keywords of their largest research topics: Hydrogen Bonding, Light Harvesting, Photosystem II, Oxidative Stress, Photosynthesis, Quantum Coherence, Antioxidants and Lipid Peroxidation.

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 18 words, with their numbers
  1. Hydrogen Bonding102 topics
  2. Light Harvesting91 topic
  3. Photosystem II91 topic
  4. Oxidative Stress62 topics
  5. Photosynthesis61 topic
  6. Quantum Coherence61 topic
  7. Antioxidants51 topic
  8. Lipid Peroxidation51 topic
  9. Absolute Configuration41 topic
  10. Chiroptical Spectroscopy41 topic
  11. Excited-State Proton Transfer41 topic
  12. Intramolecular Charge Transfer41 topic
  13. Channelrhodopsin21 topic
  14. Detection21 topic
  15. Electrochemical21 topic
  16. Optogenetics21 topic
  17. Distance Measurements11 topic
  18. Electron Spin Resonance11 topic

Where does Yasushi Koyama work?

Yasushi Koyama's main affiliation in the publication record is Kwansei Gakuin University, Japan.

How many publications and citations does Yasushi Koyama have?

Science Explorer counts 32 works and 188 citations for Yasushi Koyama, ranking #351,201 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.

Other researchers named Yasushi Koyama

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