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Hospital / health system · Tokyo · Japan

JR Tokyo General Hospital

In research, JR Tokyo General Hospital stands highest in Medicine (#8,164 of 10,443 worldwide) and Health Sciences (#9,989 of 11,982 worldwide), 2022–2025. Relative to its size it is most specialised in Surgery — Surgery is 8.4× its share of world research.

jreast.co.jp/hospital/index.htmlROR OpenAlex
World rank, 2022–2025
#24,849
of 28,054 · #32,040 all time
Rank in Japan
#845
of 1,070
Research works
521
▲ 30% vs 2013–17
Citations
4.2k
8.1 per fractional work
Top-10% rate
7.6%
record average 16.5%
Open access
43%
world 28%

What is JR Tokyo General Hospital 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
MedicineField #8,164 of 10,443 7.5%92 #10009
Health SciencesDomain #9,989 of 11,982 7.6%94 #12924

Each strip is that field’s whole ranked pool, with the notch where JR Tokyo General Hospital 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).

What does JR Tokyo General Hospital specialise in?

Where its research is concentrated relative to its size: Surgery takes 8.4× the share of its output that it takes of world research.

  1. SurgerySubfield · 21.6 works8.4×
← less than its size predicts1×more →

Location quotient, a volume reading rather than an impact one. It surfaces small, lopsided specialities.

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: 0.03× its world share, 0 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.69× its world share, 4 worksBiochemistry, Geneti…Immunology and Microbiology: 0.45× its world share, 0 worksImmunology and Micro…Neuroscience: 2.17× its world share, 4 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 0.91× its world share, 0 worksPharmacology, Toxico…Computer Science: 0.03× its world share, 0 worksComputer ScienceEngineering: 0.18× its world share, 3 worksEngineeringEnvironmental Science: 0.07× its world share, 0 worksEnvironmental ScienceMathematics: 0.09× its world share, 0 worksMathematicsPhysics and Astronomy: 0.02× its world share, 0 worksPhysics and AstronomyDentistry: 1.07× its world share, 1 worksDentistryHealth Professions: 0.46× its world share, 1 worksHealth ProfessionsMedicine: 4.41× its world share, 92 worksMedicineNursing: 0.04× its world share, 0 worksNursingBusiness, Management and Accounting: 0.14× its world share, 0 worksBusiness, Management…Decision Sciences: 0.06× its world share, 0 worksDecision SciencesEconomics, Econometrics and Finance: 0.27× its world share, 1 worksEconomics, Econometr…Psychology: 0.24× its world share, 1 worksPsychologySocial Sciences: 0.01× its world share, 0 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Medicine, 4.4×. Every wedge is a field page.

Who are the top researchers at JR Tokyo General Hospital?

Ranked on the composite score, Yoshiyuki Hada, Yasunobu Itoh and Shinichi Numazawa lead among researchers whose main affiliation is JR Tokyo General Hospital.

  1. 1 Yoshiyuki Hada Japan · #369,353 worldwide 31 citations · 24 works
  2. 2 Yasunobu Itoh Japan · #935,735 worldwide 17 citations · 18 works
  3. 3 Shinichi Numazawa Japan · #1,103,375 worldwide 9 citations · 16 works
  4. 4 Kimihiro Tanaka Japan · #1,547,136 worldwide 2 citations · 15 works
All ranked researchers at JR Tokyo General Hospital

Which keywords describe research at JR Tokyo General Hospital?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Epidemiology, Treatment, Inflammation, Metastasis, Macrophages, Management, Quality of Life and Lymphangiogenesis.

▲ 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. Epidemiology17▲ 3.8×45 topics
  2. Inflammation11▲ 4.9×17 topics
  3. Treatment11▲ 8.2×21 topics
  4. Metastasis8▲ 23×6 topics
  5. Quality of Life8▲ 5.3×21 topics
  6. Macrophages7▲ 39×3 topics
  7. Management7▲ 8.4×15 topics
  8. Lymphangiogenesis7▲ 391×1 topic
  9. VEGF-C7▲ 391×1 topic
  10. Clinical Practice Guidelines6▲ 9.6×10 topics
  11. Diagnosis6▲ 5.5×18 topics
  12. Prognostic Factors5▲ 10×12 topics
  13. Prognosis4▲ 13×6 topics
  14. Surgery4▲ 11×6 topics
  15. Complications4▲ 7.4×13 topics
  16. Neurological Disorders4▲ 6.5×8 topics
  17. Surgical Management4▲ 8.9×10 topics
  18. Endovascular Treatment4▲ 63×2 topics
  19. Pediatric4▲ 60×2 topics
  20. Chronic Venous Insufficiency4▲ 169×1 topic
  21. Varicose Veins4▲ 169×1 topic
  22. Biomechanics4▲ 11×5 topics
  23. Chylothorax4▲ 373×1 topic
  24. Chylous Ascites4▲ 373×1 topic
  25. Immunotherapy4▲ 4.5×9 topics
  26. Radiosurgery3▲ 34×3 topics
  27. Neuroimaging3▲ 10×5 topics
  28. Rehabilitation3▲ 6.7×9 topics
  29. Aneurysmal Subarachnoid Hemorrhage3▲ 70×1 topic
  30. Intracranial Aneurysms3▲ 70×1 topic
  31. Stroke Prevention3▲ 21×2 topics
  32. Genetic Susceptibility3▲ 25×5 topics
  33. Radiotherapy3▲ 6.1×8 topics
  34. Magnetic Resonance Imaging2▲ 8.6×2 topics
  35. Carotid Artery Stenosis2▲ 43×1 topic
  36. Endarterectomy2▲ 43×1 topic
  37. Botulinum Toxin2▲ 33×3 topics
  38. Neuroinflammation2▲ 7.2×4 topics
  39. Clinical Management2▲ 11×3 topics
  40. Rituximab2▲ 12×3 topics

Which research topics does JR Tokyo General Hospital publish most on?

By volume in 2022–2025: Lymphatic System and Diseases, Diagnosis and Treatment of Venous Diseases, Lymphatic Disorders and Treatments and Intracranial Aneurysms: Treatment and Complications.

Lymphatic System and Dis…7Lymphatic System and Diseases: 7 fractional worksDiagnosis and Treatment of Venous Diseases: 4 fractional worksLymphatic Disorders and Treatments: 4 fractional worksIntracranial Aneurysms: Treatment and Complications: 3 fractional worksCerebrovascular and Carotid Artery Diseases: 2 fractional worksMeningioma and schwannom…2Meningioma and schwannoma management: 2 fractional worksLymphoma Diagnosis and Treatment: 1 fractional worksVascular Malformations Diagnosis and Treatment: 1 fractional worksVascular Malformations and Hemangiomas: 1 fractional worksNutrition and Health in Aging: 1 fractional works
OncologySurgeryNeurologyPulmonary and Respiratory Medicine3 others

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

  1. 1 Lymphatic System and Diseases Oncology 7 works
  2. 2 Diagnosis and Treatment of Venous Diseases Surgery 4 works
  3. 3 Lymphatic Disorders and Treatments Surgery 4 works
  4. 4 Intracranial Aneurysms: Treatment and Complications Neurology 3 works
  5. 5 Cerebrovascular and Carotid Artery Diseases Pulmonary and Respiratory Medicine 2 works
  6. 6 Meningioma and schwannoma management Epidemiology 2 works
  7. 7 Lymphoma Diagnosis and Treatment Pathology and Forensic Medicine 1 works
  8. 8 Vascular Malformations Diagnosis and Treatment Neurology 1 works
  9. 9 Vascular Malformations and Hemangiomas Surgery 1 works
  10. 10 Nutrition and Health in Aging Physiology 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 available43.4%not open56.6%

World: 28% of research is openly available.

with international co-authors5.9%domestic only94.1%

World: 19% is written across borders.

How has JR Tokyo General Hospital's research output changed?

Output in 2018–2022 was 30% 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.