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Company · Tokyo · Japan

Otsuka (Japan)

In research, Otsuka (Japan) stands highest in Health Sciences (#7,543 of 11,982 worldwide), Medicine (#6,610 of 10,443 worldwide) and Physical Sciences (#11,550 of 12,888 worldwide), 2022–2025.

otsuka.co.jp/en/index.phpROR OpenAlex
World rank, 2022–2025
#11,646
of 28,054 · #4,790 all time
Rank in Japan
#290
of 1,070
Research works
3.3k
▲ 10% vs 2013–17
Citations
87k
26.8 per fractional work
Top-10% rate
10.9%
record average 16.5%
Open access
36%
world 28%

What is Otsuka (Japan) known for in research?

The fields where it stands highest, 2022–2025, ranked among every institution above the floor in each field.

FieldWorld rankWhere that sitsTop-10% rateWorksAll time
Health SciencesDomain #7,543 of 11,982 13.7%95 #5165
MedicineField #6,610 of 10,443 15.1%82 #4045
Physical SciencesDomain #11,550 of 12,888 3.8%69 #5273

Each strip is that field’s whole ranked pool, with the notch where Otsuka (Japan) sits in it, in the colour of the band that rank falls in. The track under the rate is the rate itself: it carries no world mark, because the world rate differs by field (from about 6% to 21% in this record).

Which of those standings moved

The same fields on both windows: where it stood over the whole record, and where it stands in 2022–2025. The distance is the story, and it is the one thing the two rank columns above cannot show.

  1. Health Sciences#5,165 #7,543
  2. Medicine#4,045 #6,610
  3. Physical Sciences#5,273 #11,550
all time2022–2025, better2022–2025, worse

A dot further right is a better standing. Fields it was not ranked in over the whole record are left out.

Field profile

Location quotient across every field it publishes in: outside the ring is more than an institution of this size would be expected to publish, inside it is less.

Agricultural and Biological Sciences: 0.69× its world share, 8 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 2.12× its world share, 28 worksBiochemistry, Geneti…Immunology and Microbiology: 2.16× its world share, 5 worksImmunology and Micro…Neuroscience: 2.08× its world share, 8 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 5.60× its world share, 5 worksPharmacology, Toxico…Chemical Engineering: 0.26× its world share, 0 worksChemical EngineeringChemistry: 2.41× its world share, 9 worksChemistryComputer Science: 0.74× its world share, 14 worksComputer ScienceEarth and Planetary Sciences: 0.33× its world share, 1 worksEarth and Planetary …Energy: 0.20× its world share, 0 worksEnergyEngineering: 0.49× its world share, 18 worksEngineeringEnvironmental Science: 0.55× its world share, 7 worksEnvironmental ScienceMaterials Science: 0.86× its world share, 7 worksMaterials ScienceMathematics: 1.78× its world share, 5 worksMathematicsPhysics and Astronomy: 1.09× its world share, 6 worksPhysics and AstronomyDentistry: 0.53× its world share, 1 worksDentistryHealth Professions: 0.78× its world share, 5 worksHealth ProfessionsMedicine: 1.71× its world share, 82 worksMedicineNursing: 5.56× its world share, 7 worksNursingVeterinary: 2.66× its world share, 1 worksVeterinaryArts and Humanities: 0.21× its world share, 2 worksArts and HumanitiesBusiness, Management and Accounting: 0.91× its world share, 7 worksBusiness, Management…Decision Sciences: 0.98× its world share, 2 worksDecision SciencesEconomics, Econometrics and Finance: 0.40× its world share, 2 worksEconomics, Econometr…Psychology: 1.06× its world share, 8 worksPsychologySocial Sciences: 0.25× its world share, 8 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Pharmacology, Toxicology and Pharmaceutics, 5.6×. Every wedge is a field page.

Who are the top researchers at Otsuka (Japan)?

Ranked on the composite score, Yasukazu Ohmoto, Iwao Miura and J. MINAMIKAWA lead among researchers whose main affiliation is Otsuka (Japan).

  1. 1 Yasukazu Ohmoto Japan · #310,846 worldwide 114 citations · 28 works
  2. 2 Iwao Miura Japan · #333,141 worldwide 65 citations · 22 works
  3. 3 J. MINAMIKAWA Japan · #508,728 worldwide 96 citations · 24 works
  4. 4 Minoru Iwasaki Japan · #545,077 worldwide 4 citations · 18 works
  5. 5 Daisuke Yokota Japan · #639,701 worldwide 46 citations · 21 works
  6. 6 Shoji Kudo Japan · #687,580 worldwide 9 citations · 19 works
  7. 7 Masaru Kido Japan · #735,379 worldwide 76 citations · 34 works
  8. 8 Toshimi Kanbe Japan · #857,919 worldwide 55 citations · 15 works
  9. 9 KAZUYUKI NAKAGAWA Japan · #894,935 worldwide 37 citations · 20 works
  10. 10 Takao Taki Japan · #922,808 worldwide 63 citations · 20 works
All ranked researchers at Otsuka (Japan)

Which keywords describe research at Otsuka (Japan)?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Inflammation, Epidemiology, Oxidative Stress, Aging, Critical Care, Neurological Disorders, Treatment and Enteral Nutrition.

▲ more of its work than of the world’s◆ about the world’s share▼ less than the world’s

Size is fractional works in 2022–2025 in the topics tagged with each word; colour is the word's share of this institution's work against its share of the world's. The 40 words are chosen for being large and distinctive. Each links to the topic it comes from most.

All 40 words, with their numbers
  1. Epidemiology16▲ 1.66×59 topics
  2. Inflammation15▲ 2.9×43 topics
  3. Oxidative Stress10▲ 2.4×30 topics
  4. Aging7▲ 5.1×11 topics
  5. Treatment7▲ 2.2×25 topics
  6. Neurological Disorders6▲ 4.3×12 topics
  7. Cardiovascular Disease6▲ 2.0×18 topics
  8. Diagnosis5▲ 2.1×13 topics
  9. Critical Care5▲ 8.1×4 topics
  10. Genetics5▲ 2.7×12 topics
  11. Depression5▲ 2.1×16 topics
  12. Metabolic Syndrome5▲ 2.3×12 topics
  13. Clinical Trials4▲ 2.4×12 topics
  14. Metabolism4▲ 2.9×13 topics
  15. Enteral Nutrition4▲ 55×1 topic
  16. Nutrition Support Therapy4▲ 55×1 topic
  17. Reactive Oxygen Species4▲ 3.5×12 topics
  18. Heart Failure3▲ 3.1×9 topics
  19. Stress3▲ 3.5×8 topics
  20. Mitochondrial Dysfunction3▲ 4.3×5 topics
  21. Metabolic Regulation3▲ 7.5×4 topics
  22. PET Imaging3▲ 7.3×5 topics
  23. Prognosis3▲ 3.8×4 topics
  24. Atherosclerosis3▲ 4.3×7 topics
  25. Calcitonin Gene-Related Peptide3▲ 29×2 topics
  26. Medicinal Chemistry3▲ 4.3×6 topics
  27. Regenerative Medicine3▲ 4.6×5 topics
  28. Antifungal Therapy3▲ 12×3 topics
  29. Headache Disorders3▲ 45×1 topic
  30. Migraine3▲ 26×1 topic
  31. Staphylococcus aureus3▲ 15×2 topics
  32. Exercise2▲ 8.3×3 topics
  33. Filaggrin2▲ 20×1 topic
  34. Skin Microbiome2▲ 20×1 topic
  35. Cancer Cachexia2▲ 11×1 topic
  36. Organic Synthesis2▲ 7.9×4 topics
  37. Sarcopenia2▲ 11×1 topic
  38. Cognitive Therapy2▲ 7.9×2 topics
  39. Neurological Complications2▲ 13×2 topics
  40. Transition Metal Complexes2▲ 9.2×2 topics

Which research topics does Otsuka (Japan) publish most on?

By volume in 2022–2025: Clinical Nutrition and Gastroenterology, Migraine and Headache Studies, Dermatology and Skin Diseases and Nutrition and Health in Aging.

Clinical Nutrition and G…4Clinical Nutrition and Gastroenterology: 4 fractional worksMigraine and Headache St…3Migraine and Headache Studies: 3 fractional worksDermatology and Skin Dis…2Dermatology and Skin Diseases: 2 fractional worksNutrition and Health in …2Nutrition and Health in Aging: 2 fractional worksRadical Photochemical Reactions: 2 fractional worksFluorine in Organic Chemistry: 2 fractional worksAsthma and respiratory d…2Asthma and respiratory diseases: 2 fractional worksElectrolyte and hormonal disorders: 2 fractional worksSchizophrenia research and treatment: 2 fractional worksIon Transport and Channe…1Ion Transport and Channel Regulation: 1 fractional works
Nutrition and DieteticsPsychiatry and Mental healthDermatologyPhysiology4 others

Area is fractional works; colour is the subfield each topic belongs to.

  1. 1 Clinical Nutrition and Gastroenterology Nutrition and Dietetics 4 works
  2. 2 Migraine and Headache Studies Psychiatry and Mental health 3 works
  3. 3 Dermatology and Skin Diseases Dermatology 2 works
  4. 4 Nutrition and Health in Aging Physiology 2 works
  5. 5 Radical Photochemical Reactions Organic Chemistry 2 works
  6. 6 Fluorine in Organic Chemistry Pharmaceutical Science 2 works
  7. 7 Asthma and respiratory diseases Physiology 2 works
  8. 8 Electrolyte and hormonal disorders Pulmonary and Respiratory Medicine 2 works
  9. 9 Schizophrenia research and treatment Psychiatry and Mental health 2 works
  10. 10 Ion Transport and Channel Regulation Molecular Biology 1 works

How open and international is its research?

Against the world’s own shares — the tick on each track. Both are shares of its output, so they sit on one scale and can be read against each other as well as against the world.

openly available35.9%not open64.1%

World: 28% of research is openly available.

with international co-authors15.7%domestic only84.3%

World: 19% is written across borders.

How has Otsuka (Japan)'s research output changed?

Output in 2018–2022 was 10% higher than in 2013–2017.

1990200020102020
grewheldshrank

The same series as a ribbon — one cell per year, darker for more. The line above answers how much; this answers when.

Other research institutions in Tokyo

All research institutions in Tokyo

Research measures only: rankings here say nothing about teaching, admissions or student experience. Comparable institutions and collaboration partners are in the interactive view on the map.