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Researcher · Tokyo Medical University · Japan

Shunichi Koyama

Shunichi Koyama publishes mostly in Neurology, Pulmonary and Respiratory Medicine and Surgery, on topics such as Intracranial Aneurysms: Treatment and Complications, Cerebrovascular and Carotid Artery Diseases and Dementia and Cognitive Impairment Research.

OpenAlex
World rank
#5,886,637
of 7,710,434 ranked researchers
Rank in Japan
#214,437
of 383,136
Works
21
Citations
546
Citations per work
26.0
h-index
7
i10-index 7Top 79% in Neurology (Medicine)
Shunichi Koyama

What does Shunichi Koyama research?

Shunichi Koyama's work is mostly in Medicine (59%).

Health Sciences: 12 works · 58.7% of their workMedicine: 12 works · 58.7% of their workNeurology: 3 works · 15.9% of their workPulmonary and Respiratory Medicine: 3 works · 14.3% of their workSurgery: 2 works · 11.1% of their workCardiology and Cardiovascular Medicine: 1 works · 6.3% of their workPhysiology: 1 works · 6.3% of their workPsychiatry and Mental health: 1 works · 4.8% of their workEverything else: 9 works · 41.3% of their workTHEIR WORKShunichi Koyama21works
Health Sciences59%

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. Medicine1258.7%
  2. Everything else941.3%
  1. 1Neurology16% of their works
  2. 2Pulmonary and Respiratory Medicine14% of their works
  3. 3Surgery11% of their works
  4. 4Cardiology and Cardiovascular Medicine6% of their works
  5. 5Physiology6% of their works
  6. 6Psychiatry and Mental health5% of their works

Research topics

Which keywords describe Shunichi Koyama's research?

The keywords of their largest research topics: Aneurysmal Subarachnoid Hemorrhage, Carotid Artery Stenosis, Endarterectomy, Intracranial Aneurysms, Neurodegeneration, Oxidative Stress, Alzheimer's Disease and Mild Cognitive Impairment.

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 19 words, with their numbers
  1. Aneurysmal Subarachnoid Hemorrhage51 topic
  2. Carotid Artery Stenosis51 topic
  3. Endarterectomy51 topic
  4. Intracranial Aneurysms51 topic
  5. Neurodegeneration42 topics
  6. Oxidative Stress42 topics
  7. Alzheimer's Disease31 topic
  8. Mild Cognitive Impairment31 topic
  9. Amyloid Hypothesis21 topic
  10. Epigenetic Regulation22 topics
  11. Parkinson's Disease21 topic
  12. Tau Pathology21 topic
  13. a-Synuclein21 topic
  14. Development11 topic
  15. Genome Evolution11 topic
  16. Mutation Breeding11 topic
  17. Plant11 topic
  18. Polyploidy11 topic
  19. TILLING11 topic

Where does Shunichi Koyama work?

Shunichi Koyama's main affiliation in the publication record is Tokyo Medical University, Japan.

How many publications and citations does Shunichi Koyama have?

OpenAlex counts 21 works and 546 citations for Shunichi Koyama, an h-index of 7, ranking #5,886,637 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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