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Researcher · Akita University · Japan

Takashi Koyama

Takashi Koyama publishes mostly in Cardiology and Cardiovascular Medicine, Epidemiology and Pharmacology, on topics such as Atrial Fibrillation Management and Outcomes, Phytochemistry and Biological Activities and Atherosclerosis and Cardiovascular Diseases.

World rank
#618,207
of 1,633,909 ranked researchers
Rank in Japan
#25,733
of 114,622
Works
19
Citations
20
Citations per work
1.1

What does Takashi Koyama research?

Cardiology and Cardiovascular Medicine: 33.3%Epidemiology: 16.7%Pharmacology: 8.3%Surgery: 8.3%other fields: 33.4%33%top field
Cardiology and Cardiovascular Medicine33.3%Epidemiology16.7%Pharmacology8.3%Surgery8.3%other fields33.4%

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 Medicine33% of their works
  2. 2Epidemiology17% of their works
  3. 3Pharmacology8% of their works
  4. 4Surgery8% of their works
  5. 5Immunology8% of their works
  6. 6Plant Science8% of their works

Research topics

Which keywords describe Takashi Koyama's research?

The keywords of their largest research topics: Anticoagulant Therapy, Antioxidant, Atrial Fibrillation, Phytochemistry, Aspirin, Atherosclerosis, Cardiac Surgery and Clopidogrel.

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. Anticoagulant Therapy21 topic
  2. Antioxidant22 topics
  3. Atrial Fibrillation21 topic
  4. Phytochemistry22 topics
  5. Aspirin11 topic
  6. Atherosclerosis11 topic
  7. Cardiac Surgery11 topic
  8. Clopidogrel11 topic
  9. Congenital Heart Disease11 topic
  10. Constrictive Pericarditis11 topic
  11. Diagnosis11 topic
  12. Immune Response11 topic
  13. Infective Endocarditis11 topic
  14. Iridoids11 topic
  15. Medicinal Plants11 topic
  16. Pericarditis11 topic
  17. Pharmacology11 topic
  18. Phyllanthus11 topic

Where does Takashi Koyama work?

Takashi Koyama's main affiliation in the publication record is Akita University, Japan.

How many publications and citations does Takashi Koyama have?

Science Explorer counts 19 works and 20 citations for Takashi Koyama, ranking #618,207 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 Takashi Koyama

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