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Researcher · Waseda University · Japan

Koichiro Oka

Koichiro Oka publishes mostly in Physiology, Public Health, Environmental and Occupational Health and Cardiology and Cardiovascular Medicine, on topics such as Physical Activity and Health, Urban Transport and Accessibility and Obesity, Physical Activity, Diet.

ORCID 0000-0001-5571-042X OpenAlex
World rank
#376,023
of 7,710,434 ranked researchers
Rank in Japan
#3,422
of 383,136
Works
499
Citations
9.5k
Citations per work
19.1
h-index
53
i10-index 201Top 3.1% in Physiology (Medicine)
Koichiro Oka

What does Koichiro Oka research?

Koichiro Oka's work is mostly in Medicine (33%), Social Sciences (7%), Health Professions (5%).

Everything else: 254 works · 51.0% of their workHealth Sciences: 190 works · 38.0% of their workMedicine: 166 works · 33.3% of their workPhysiology: 91 works · 18.2% of their workPublic Health, Environmental and Occupational Health: 41 works · 8.2% of their workCardiology and Cardiovascular Medicine: 34 works · 6.9% of their workHealth Professions: 23 works · 4.7% of their workGeneral Health Professions: 23 works · 4.7% of their workSocial Sciences: 33 works · 6.7% of their workSocial Sciences: 33 works · 6.7% of their workTransportation: 33 works · 6.7% of their workPhysical Sciences: 21 works · 4.3% of their workEnvironmental Science: 21 works · 4.3% of their workHealth, Toxicology and Mutagenesis: 21 works · 4.3% of their workTHEIR WORKKoichiro Oka499works
Physical Sciences4%Health Sciences38%Social Sciences7%

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. Everything else25451.0%
    1. Medicine16633.3%
    2. Health Professions234.7%
    1. Social Sciences336.7%
    1. Environmental Science214.3%
  1. 1Physiology18% of their works
  2. 2Public Health, Environmental and Occupational Health8% of their works
  3. 3Cardiology and Cardiovascular Medicine7% of their works
  4. 4Transportation7% of their works
  5. 5General Health Professions5% of their works
  6. 6Health, Toxicology and Mutagenesis4% of their works

Research topics

Which keywords describe Koichiro Oka's research?

The keywords of their largest research topics: Physical Activity, Public Health, Exercise, Sedentary Behavior, Active Travel, Built Environment, Obesity and Overweight.

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. Physical Activity4104 topics
  2. Public Health3534 topics
  3. Exercise1821 topic
  4. Sedentary Behavior1821 topic
  5. Active Travel911 topic
  6. Built Environment911 topic
  7. Obesity831 topic
  8. Overweight831 topic
  9. Environmental Justice541 topic
  10. Urban Green Space541 topic
  11. Cardiorespiratory Fitness461 topic
  12. Exercise Capacity461 topic
  13. Cancer Cachexia361 topic
  14. Sarcopenia361 topic
  15. Social Relationships341 topic
  16. Socioeconomic Inequalities341 topic
  17. Self-Regulation301 topic
  18. Theory of Planned Behaviour301 topic

Where does Koichiro Oka work?

Koichiro Oka's main affiliation in the publication record is Waseda University, Japan.

How many publications and citations does Koichiro Oka have?

OpenAlex counts 499 works and 9,537 citations for Koichiro Oka, an h-index of 53, ranking #376,023 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.

Discussion

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