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Researcher · Jichi Medical University · Japan

Hiroaki Okamoto

Hiroaki Okamoto publishes mostly in Hepatology, Epidemiology and Infectious Diseases, on topics such as Hepatitis Viruses Studies and Epidemiology, Hepatitis B Virus Studies and Hepatitis C virus research.

ORCID 0000-0003-0827-0964 OpenAlex
World rank
#98,718
of 1,633,909 ranked researchers
Rank in Japan
#2,008
of 114,622
Works
157
Citations
505
Citations per work
3.2

What does Hiroaki Okamoto research?

Hepatology: 25.1%Epidemiology: 12.8%Infectious Diseases: 8.4%Cardiology and Cardiovascular Medicine: 5.6%other fields: 48.1%25%top field
Hepatology25.1%Epidemiology12.8%Infectious Diseases8.4%Cardiology and Cardiovascular Medicine5.6%other fields48.1%

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

  1. 1Hepatology25% of their works
  2. 2Epidemiology13% of their works
  3. 3Infectious Diseases8% of their works
  4. 4Cardiology and Cardiovascular Medicine6% of their works
  5. 5Pulmonary and Respiratory Medicine4% of their works
  6. 6Oncology3% of their works

Research topics

Which keywords describe Hiroaki Okamoto's research?

The keywords of their largest research topics: Epidemiology, Vaccine, Antiviral Therapy, Liver Disease, Hepatitis E Virus, Hepatocellular Carcinoma, Zoonotic Transmission and Pathogenesis.

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 22 words, with their numbers
  1. Epidemiology474 topics
  2. Vaccine312 topics
  3. Antiviral Therapy262 topics
  4. Liver Disease262 topics
  5. Hepatitis E Virus181 topic
  6. Hepatocellular Carcinoma182 topics
  7. Zoonotic Transmission181 topic
  8. Pathogenesis162 topics
  9. Chronic Hepatitis B131 topic
  10. Hepatitis B Virus131 topic
  11. Hepatitis C Virus131 topic
  12. Norovirus131 topic
  13. Rotavirus131 topic
  14. Treatment131 topic
  15. Hepatic Encephalopathy91 topic
  16. Liver Cirrhosis91 topic
  17. NAFLD51 topic
  18. NASH51 topic
  19. Alloimmunization31 topic
  20. Autoimmune Hepatitis31 topic
  21. Blood Groups31 topic
  22. Primary Biliary Cirrhosis31 topic

Where does Hiroaki Okamoto work?

Hiroaki Okamoto's main affiliation in the publication record is Jichi Medical University, Japan.

How many publications and citations does Hiroaki Okamoto have?

Science Explorer counts 157 works and 505 citations for Hiroaki Okamoto, ranking #98,718 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 Hiroaki Okamoto

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