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Hospital / health system · Tokyo · Japan

Tokyo Medical University Hospital

In research, Tokyo Medical University Hospital stands highest in Medicine (#6,138 of 10,443 worldwide) and Health Sciences (#7,737 of 11,982 worldwide), 2022–2025. Relative to its size it is most specialised in Pulmonary and Respiratory Medicine and Surgery — Pulmonary and Respiratory Medicine is 8.7× its share of world research.

hospinfo.tokyo-med.ac.jpROR OpenAlex
World rank, 2022–2025
#18,815
of 28,054 · #21,427 all time
Rank in Japan
#524
of 1,070
Research works
856
▲ 38% vs 2013–17
Citations
9.4k
11.0 per fractional work
Top-10% rate
10.2%
record average 16.5%
Open access
60%
world 28%

What is Tokyo Medical University 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 #6,138 of 10,443 9.5%157 #7299
Health SciencesDomain #7,737 of 11,982 9.8%162 #8854

Each strip is that field’s whole ranked pool, with the notch where Tokyo Medical University 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 Tokyo Medical University Hospital specialise in?

Where its research is concentrated relative to its size: Pulmonary and Respiratory Medicine takes 8.7× the share of its output that it takes of world research.

  1. Pulmonary and Respiratory MedicineSubfield · 25.9 works8.7×
  2. SurgerySubfield · 28.5 works6.3×
← 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: 0.10× its world share, 1 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 1.18× its world share, 12 worksBiochemistry, Geneti…Immunology and Microbiology: 2.06× its world share, 4 worksImmunology and Micro…Neuroscience: 0.98× its world share, 3 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 1.51× its world share, 1 worksPharmacology, Toxico…Computer Science: 0.04× its world share, 1 worksComputer ScienceEngineering: 0.09× its world share, 2 worksEngineeringEnvironmental Science: 0.02× its world share, 0 worksEnvironmental ScienceMaterials Science: 0.01× its world share, 0 worksMaterials ScienceMathematics: 0.15× its world share, 0 worksMathematicsPhysics and Astronomy: 0.13× its world share, 1 worksPhysics and AstronomyDentistry: 1.45× its world share, 1 worksDentistryHealth Professions: 0.72× its world share, 4 worksHealth ProfessionsMedicine: 4.20× its world share, 157 worksMedicineNursing: 0.66× its world share, 1 worksNursingArts and Humanities: 0.12× its world share, 1 worksArts and HumanitiesEconomics, Econometrics and Finance: 0.05× its world share, 0 worksEconomics, Econometr…Psychology: 0.33× its world share, 2 worksPsychologySocial Sciences: 0.14× its world share, 3 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Medicine, 4.2×. Every wedge is a field page.

Who are the top researchers at Tokyo Medical University Hospital?

Ranked on the composite score, Albert S. Ashmead, Shinji Fukushima and Koichi Yoshida lead among researchers whose main affiliation is Tokyo Medical University Hospital.

  1. 1 Albert S. Ashmead Japan · #587,768 worldwide 0 citations · 24 works
  2. 2 Shinji Fukushima Japan · #655,427 worldwide 43 citations · 36 works
  3. 3 Koichi Yoshida Japan · #794,032 worldwide 81 citations · 47 works
  4. 4 Hidehiro Watanabe Japan · #925,919 worldwide 15 citations · 30 works
  5. 5 Yoshinao Yazaki Japan · #1,227,943 worldwide 24 citations · 16 works
  6. 6 Toshiki Fujiyoshi Japan · #1,297,804 worldwide 2 citations · 19 works
  7. 7 H Matsuo Japan · #1,346,306 worldwide 2 citations · 16 works
  8. 8 Shinji Miyake Japan · #1,408,148 worldwide 21 citations · 22 works
All ranked researchers at Tokyo Medical University Hospital

Which keywords describe research at Tokyo Medical University Hospital?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Epidemiology, Chemotherapy, Inflammation, Clinical Practice Guidelines, Gastric Cancer, Pathogenesis, Endoscopic Resection and Survival Analysis.

▲ 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. Epidemiology26▲ 3.4×72 topics
  2. Inflammation17▲ 4.2×44 topics
  3. Chemotherapy16▲ 11×21 topics
  4. Treatment10▲ 4.3×26 topics
  5. Clinical Practice Guidelines10▲ 9.3×13 topics
  6. Gastric Cancer10▲ 44×3 topics
  7. Pathogenesis9▲ 9.4×15 topics
  8. Diagnosis9▲ 5.1×24 topics
  9. Endoscopic Resection9▲ 46×2 topics
  10. Survival Analysis8▲ 15×5 topics
  11. Prognostic Factors7▲ 8.7×14 topics
  12. Immunotherapy7▲ 5.2×13 topics
  13. Molecular Characterization7▲ 21×5 topics
  14. Prevention7▲ 8.5×11 topics
  15. Adjuvant Therapy7▲ 27×2 topics
  16. Neoadjuvant Chemotherapy6▲ 39×2 topics
  17. Quality of Life6▲ 2.3×23 topics
  18. Complications6▲ 6.5×12 topics
  19. Guidelines6▲ 7.0×11 topics
  20. Cardiovascular Disease6▲ 2.9×21 topics
  21. Lymph Node Dissection6▲ 53×1 topic
  22. Metastatic Gastric Cancer6▲ 53×1 topic
  23. Risk Factors6▲ 2.9×23 topics
  24. Echocardiography6▲ 11×7 topics
  25. Management5▲ 3.4×17 topics
  26. Neoadjuvant Therapy5▲ 11×5 topics
  27. Antibiotic Resistance5▲ 6.2×7 topics
  28. Surgery4▲ 6.6×7 topics
  29. Prognosis4▲ 6.9×6 topics
  30. Surgical Management4▲ 5.5×12 topics
  31. Endothelial Dysfunction4▲ 9.7×5 topics
  32. Genetic Mutations4▲ 5.1×11 topics
  33. Heart Failure4▲ 5.1×12 topics
  34. Radiotherapy4▲ 5.7×10 topics
  35. Catheter Ablation4▲ 18×2 topics
  36. Autoantibodies4▲ 9.0×6 topics
  37. Breast Cancer4▲ 9.0×9 topics
  38. Hypertension4▲ 7.2×9 topics
  39. Targeted Therapy4▲ 9.0×4 topics
  40. Treatment Guidelines4▲ 8.8×6 topics

Which research topics does Tokyo Medical University Hospital publish most on?

By volume in 2022–2025: Gastric Cancer Management and Outcomes, Helicobacter pylori-related gastroenterology studies, Esophageal Cancer Research and Treatment and Esophageal and GI Pathology.

Gastric Cancer Managemen…6Gastric Cancer Management and Outcomes: 6 fractional worksHelicobacter pylori-related gastroenterology studies: 3 fractional worksEsophageal Cancer Research and Treatment: 3 fractional worksEsophageal and GI Pathology: 3 fractional worksMetastasis and carcinoma case studies: 2 fractional worksLung Cancer Research Studies: 2 fractional worksCardiac Arrhythmias and …2Cardiac Arrhythmias and Treatments: 2 fractional worksCancer Immunotherapy and Biomarkers: 2 fractional worksAtrial Fibrillation Management and Outcomes: 2 fractional worksPulmonary Hypertension R…2Pulmonary Hypertension Research and Treatments: 2 fractional works
Pulmonary and Respiratory MedicineSurgeryOncologyCardiology and Cardiovascular Medicine

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

  1. 1 Gastric Cancer Management and Outcomes Pulmonary and Respiratory Medicine 6 works
  2. 2 Helicobacter pylori-related gastroenterology studies Surgery 3 works
  3. 3 Esophageal Cancer Research and Treatment Surgery 3 works
  4. 4 Esophageal and GI Pathology Surgery 3 works
  5. 5 Metastasis and carcinoma case studies Pulmonary and Respiratory Medicine 2 works
  6. 6 Lung Cancer Research Studies Oncology 2 works
  7. 7 Cardiac Arrhythmias and Treatments Cardiology and Cardiovascular Medicine 2 works
  8. 8 Cancer Immunotherapy and Biomarkers Oncology 2 works
  9. 9 Atrial Fibrillation Management and Outcomes Cardiology and Cardiovascular Medicine 2 works
  10. 10 Pulmonary Hypertension Research and Treatments Pulmonary and Respiratory Medicine 2 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 available59.5%not open40.5%

World: 28% of research is openly available.

with international co-authors8.8%domestic only91.2%

World: 19% is written across borders.

How has Tokyo Medical University Hospital's research output changed?

Output in 2018–2022 was 38% 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.