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Yasushi Koyama

Yasushi Koyama publishes mostly in Cardiology and Cardiovascular Medicine, Radiology, Nuclear Medicine and Imaging and Molecular Biology, on topics such as Photosynthetic Processes and Mechanisms, Spectroscopy and Quantum Chemical Studies and Cardiac Imaging and Diagnostics.

World rank
#901,593
of 1,633,909 ranked researchers
Rank in Japan
#46,437
of 114,622
Works
105
Citations
117
Citations per work
1.1

What does Yasushi Koyama research?

Cardiology and Cardiovascular Medicine: 19.4%Radiology, Nuclear Medicine and Imaging: 12.2%Molecular Biology: 7.9%Atomic and Molecular Physics, and Optics: 6.5%other fields: 54.0%19%top field
Cardiology and Cardiovascular Medicine19.4%Radiology, Nuclear Medicine and Imaging12.2%Molecular Biology7.9%Atomic and Molecular Physics, and Optics6.5%other fields54.0%

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

  1. 1Cardiology and Cardiovascular Medicine19% of their works
  2. 2Radiology, Nuclear Medicine and Imaging12% of their works
  3. 3Molecular Biology8% of their works
  4. 4Atomic and Molecular Physics, and Optics6% of their works
  5. 5Pulmonary and Respiratory Medicine6% of their works
  6. 6Spectroscopy5% of their works

Research topics

Which keywords describe Yasushi Koyama's research?

The keywords of their largest research topics: Catheter Ablation, Light Harvesting, Photosystem II, Cardiac Imaging, Coronary Artery Disease, Photosynthesis, Quantum Coherence and Anticoagulant Therapy.

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. Catheter Ablation142 topics
  2. Light Harvesting101 topic
  3. Photosystem II101 topic
  4. Cardiac Imaging91 topic
  5. Coronary Artery Disease91 topic
  6. Photosynthesis91 topic
  7. Quantum Coherence91 topic
  8. Anticoagulant Therapy81 topic
  9. Atrial Fibrillation81 topic
  10. Absolute Configuration61 topic
  11. Arrhythmias61 topic
  12. Chiroptical Spectroscopy61 topic
  13. Ventricular Tachycardia61 topic
  14. Cardiac Resynchronization Therapy41 topic
  15. Implantable Cardioverter-Defibrillator41 topic
  16. Molecular Switches41 topic
  17. Photochromic41 topic

Where does Yasushi Koyama work?

Yasushi Koyama's main affiliation in the publication record is Sakurabashi Watanabe Hospital, Japan.

How many publications and citations does Yasushi Koyama have?

Science Explorer counts 105 works and 117 citations for Yasushi Koyama, ranking #901,593 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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