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Researcher · Nagoya University · Japan

Sumihiko Okuyama

Sumihiko Okuyama publishes mostly in Epidemiology, Hepatology and Oncology, on topics such as Liver Disease Diagnosis and Treatment, Drug Transport and Resistance Mechanisms and Drug-Induced Hepatotoxicity and Protection.

OpenAlex
World rank
#4,268,345
of 7,710,434 ranked researchers
Rank in Japan
#119,288
of 383,136
Works
47
Citations
486
Citations per work
10.3
h-index
9
i10-index 9Top 64% in Epidemiology
Sumihiko Okuyama

What does Sumihiko Okuyama research?

Sumihiko Okuyama's work is mostly in Medicine (48%), Pharmacology, Toxicology and Pharmaceutics (8%).

Health Sciences: 23 works · 48.3% of their workMedicine: 23 works · 48.3% of their workEpidemiology: 8 works · 16.4% of their workHepatology: 4 works · 9.5% of their workOncology: 4 works · 9.5% of their workSurgery: 3 works · 6.9% of their workPhysiology: 3 works · 6.0% of their workEverything else: 21 works · 43.9% of their workLife Sciences: 4 works · 7.8% of their workPharmacology, Toxicology and Pharmaceutics: 4 works · 7.8% of their workPharmacology: 4 works · 7.8% of their workTHEIR WORKSumihiko Okuyama47works
Life Sciences8%Health Sciences48%

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. Medicine2348.3%
  2. Everything else2143.9%
    1. Pharmacology, Toxicology and Pharmaceutics47.8%
  1. 1Epidemiology16% of their works
  2. 2Hepatology10% of their works
  3. 3Oncology10% of their works
  4. 4Pharmacology8% of their works
  5. 5Surgery7% of their works
  6. 6Physiology6% of their works

Research topics

Which keywords describe Sumihiko Okuyama's research?

The keywords of their largest research topics: Metabolic Syndrome, Liver Transplantation, NAFLD, NASH, ATP-dependent Transporters, Multidrug Resistance, Inflammation and Drug-Induced Liver Injury.

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. Metabolic Syndrome212 topics
  2. Liver Transplantation183 topics
  3. NAFLD171 topic
  4. NASH171 topic
  5. ATP-dependent Transporters101 topic
  6. Multidrug Resistance101 topic
  7. Inflammation92 topics
  8. Drug-Induced Liver Injury71 topic
  9. Hepatotoxicity71 topic
  10. Autoimmune Hepatitis61 topic
  11. Primary Biliary Cirrhosis61 topic
  12. Alagille Syndrome51 topic
  13. Biliary Atresia51 topic
  14. Chiral Separation41 topic
  15. Hepatic Encephalopathy41 topic
  16. Ketogenic Diet41 topic
  17. Liquid Chromatography41 topic
  18. Liver Cirrhosis41 topic
  19. Low-Carbohydrate Diet41 topic

Where does Sumihiko Okuyama work?

Sumihiko Okuyama's main affiliation in the publication record is Nagoya University, Japan.

How many publications and citations does Sumihiko Okuyama have?

OpenAlex counts 47 works and 486 citations for Sumihiko Okuyama, an h-index of 9, ranking #4,268,345 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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