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Hospital / health system · Tokyo · Japan

Tokyo National Hospital

In research, Tokyo National Hospital stands highest in Medicine (#2,432 of 10,443 worldwide), Health Sciences (#3,439 of 11,982 worldwide) and Pulmonary and Respiratory Medicine (#726 of 1,144 worldwide), 2022–2025. Relative to its size it is most specialised in Oncology and Pulmonary and Respiratory Medicine — Oncology is 13.6× its share of world research.

hosp.go.jp/~tokyoROR OpenAlex
World rank, 2022–2025
#9,106
of 28,054 · #9,108 all time
Rank in Japan
#232
of 1,070
Research works
3.6k
▲ 28% vs 2013–17
Citations
79k
21.9 per fractional work
Top-10% rate
10.9%
record average 16.5%
Open access
36%
world 28%

What is Tokyo National 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 #2,432 of 10,443 10.4%380 #2187
Health SciencesDomain #3,439 of 11,982 10.4%387 #2928
Pulmonary and Respiratory MedicineSubfield #726 of 1,144 11.9%84 #523
Life SciencesDomain #5,756 of 7,800 11.7%66 #5429
OncologySubfield #602 of 772 13.3%72 #731

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

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. Medicine#2,187 #2,432
  2. Health Sciences#2,928 #3,439
  3. Pulmonary and Respiratory Medicine#523 #726
  4. Life Sciences#5,429 #5,756
  5. Oncology#731 #602
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.

What does Tokyo National Hospital specialise in?

Where its research is concentrated relative to its size: Oncology takes 13.6× the share of its output that it takes of world research.

  1. OncologySubfield · 71.6 works14×
  2. Pulmonary and Respiratory MedicineSubfield · 84.3 works12×
← 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: 0.08× its world share, 2 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 1.96× its world share, 49 worksBiochemistry, Geneti…Immunology and Microbiology: 1.69× its world share, 8 worksImmunology and Micro…Neuroscience: 0.74× its world share, 6 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 0.69× its world share, 1 worksPharmacology, Toxico…Chemistry: 0.06× its world share, 0 worksChemistryComputer Science: 0.04× its world share, 1 worksComputer ScienceEarth and Planetary Sciences: 0.01× its world share, 0 worksEarth and Planetary …Engineering: 0.04× its world share, 3 worksEngineeringEnvironmental Science: 0.01× its world share, 0 worksEnvironmental ScienceMaterials Science: 0.04× its world share, 1 worksMaterials ScienceMathematics: 0.21× its world share, 1 worksMathematicsPhysics and Astronomy: 0.37× its world share, 4 worksPhysics and AstronomyDentistry: 0.43× its world share, 1 worksDentistryHealth Professions: 0.37× its world share, 5 worksHealth ProfessionsMedicine: 4.20× its world share, 380 worksMedicineNursing: 0.19× its world share, 0 worksNursingVeterinary: 1.46× its world share, 1 worksVeterinaryArts and Humanities: 0.01× its world share, 0 worksArts and HumanitiesBusiness, Management and Accounting: 0.01× its world share, 0 worksBusiness, Management…Decision Sciences: 0.02× its world share, 0 worksDecision SciencesEconomics, Econometrics and Finance: 0.24× its world share, 2 worksEconomics, Econometr…Psychology: 0.18× its world share, 2 worksPsychologySocial Sciences: 0.03× its world share, 2 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 National Hospital?

Ranked on the composite score, Kazuaki Shimada, Hitoshi Katai and Yukihide Kanemitsu lead among researchers whose main affiliation is Tokyo National Hospital.

  1. 1 Kazuaki Shimada Japan · #29,291 worldwide 404 citations · 62 works
  2. 2 Hitoshi Katai Japan · #29,350 worldwide 245 citations · 57 works
  3. 3 Yukihide Kanemitsu Japan · #31,984 worldwide 359 citations · 59 works
  4. 4 Nobuyoshi Hiraoka Japan · #34,063 worldwide 549 citations · 49 works
  5. 5 Jun Itami Japan · #49,711 worldwide 251 citations · 54 works
  6. 6 Kensei Tobinai Japan · #74,574 worldwide 449 citations · 105 works
  7. 7 Hirotoshi Matsui Japan · #74,989 worldwide 197 citations · 29 works
  8. 8 Yasuhito Arai Japan · #97,621 worldwide 376 citations · 24 works
  9. 9 Yuji Tachimori Japan · #117,101 worldwide 148 citations · 41 works
  10. 10 Kenichi Takayasu Japan · #194,102 worldwide 160 citations · 52 works
All ranked researchers at Tokyo National Hospital

Which keywords describe research at Tokyo National Hospital?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Chemotherapy, Clinical Practice Guidelines, Prognostic Factors, Immunotherapy, Targeted Therapy, Radiotherapy, Survival Analysis and Epidemiology.

▲ 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. Chemotherapy80▲ 24×24 topics
  2. Epidemiology49▲ 2.6×69 topics
  3. Clinical Practice Guidelines44▲ 17×14 topics
  4. Immunotherapy40▲ 12×17 topics
  5. Prognostic Factors40▲ 19×14 topics
  6. Targeted Therapy31▲ 30×4 topics
  7. Radiotherapy31▲ 17×13 topics
  8. Survival Analysis29▲ 23×7 topics
  9. Clinical Trials29▲ 9.2×14 topics
  10. Neoadjuvant Therapy28▲ 25×5 topics
  11. Endoscopic Resection25▲ 54×2 topics
  12. Tumor Microenvironment25▲ 12×8 topics
  13. Adjuvant Therapy24▲ 41×2 topics
  14. Inflammation22▲ 2.2×57 topics
  15. Cancer20▲ 3.2×40 topics
  16. Treatment20▲ 3.6×31 topics
  17. Metastasis20▲ 12×12 topics
  18. Surgical Management19▲ 9.8×17 topics
  19. Molecular Characterization19▲ 22×5 topics
  20. PET Imaging18▲ 23×4 topics
  21. Biomarkers17▲ 5.2×15 topics
  22. Preoperative Chemoradiotherapy17▲ 45×2 topics
  23. Diagnosis16▲ 3.8×29 topics
  24. Treatment Guidelines16▲ 16×6 topics
  25. Gastric Cancer16▲ 30×3 topics
  26. Molecular Profiling16▲ 34×3 topics
  27. Genomic Profiling15▲ 31×2 topics
  28. Surgery15▲ 9.0×8 topics
  29. Lymphoma15▲ 19×4 topics
  30. Breast Cancer14▲ 13×10 topics
  31. Chemoradiation14▲ 47×2 topics
  32. ALK Inhibitors14▲ 48×1 topic
  33. EGFR Mutations14▲ 48×1 topic
  34. Neoadjuvant Chemotherapy14▲ 35×2 topics
  35. Lymph Node Dissection14▲ 48×1 topic
  36. Metastatic Gastric Cancer14▲ 48×1 topic
  37. Molecular Classification13▲ 19×4 topics
  38. Tumor Staging13▲ 24×2 topics
  39. Rituximab12▲ 17×4 topics
  40. Barrett's Esophagus12▲ 61×1 topic

Which research topics does Tokyo National Hospital publish most on?

By volume in 2022–2025: Lung Cancer Treatments and Mutations, Gastric Cancer Management and Outcomes, Esophageal Cancer Research and Treatment and Cancer Immunotherapy and Biomarkers.

Lung Cancer Treatments a…14Lung Cancer Treatments and Mutations: 14 fractional worksGastric Cancer Managemen…14Gastric Cancer Management and Outcomes: 14 fractional worksEsophageal Cancer Research and Treatment: 12 fractional worksCancer Immunotherapy and…11Cancer Immunotherapy and Biomarkers: 11 fractional worksLung Cancer Diagnosis an…11Lung Cancer Diagnosis and Treatment: 11 fractional worksCancer Genomics and Diagnostics: 9 fractional worksLymphoma Diagnosis and Treatment: 9 fractional worksSarcoma Diagnosis and Tr…8Sarcoma Diagnosis and Treatment: 8 fractional worksPancreatic and Hepatic Oncology Research: 7 fractional worksEndometrial and Cervical Cancer Treatments: 7 fractional works
Pulmonary and Respiratory MedicineSurgeryOncologyCancer Research2 others

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

  1. 1 Lung Cancer Treatments and Mutations Pulmonary and Respiratory Medicine 14 works
  2. 2 Gastric Cancer Management and Outcomes Pulmonary and Respiratory Medicine 14 works
  3. 3 Esophageal Cancer Research and Treatment Surgery 12 works
  4. 4 Cancer Immunotherapy and Biomarkers Oncology 11 works
  5. 5 Lung Cancer Diagnosis and Treatment Pulmonary and Respiratory Medicine 11 works
  6. 6 Cancer Genomics and Diagnostics Cancer Research 9 works
  7. 7 Lymphoma Diagnosis and Treatment Pathology and Forensic Medicine 9 works
  8. 8 Sarcoma Diagnosis and Treatment Pulmonary and Respiratory Medicine 8 works
  9. 9 Pancreatic and Hepatic Oncology Research Oncology 7 works
  10. 10 Endometrial and Cervical Cancer Treatments Obstetrics and Gynecology 7 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 available36.5%not open63.5%

World: 28% of research is openly available.

with international co-authors17.5%domestic only82.5%

World: 19% is written across borders.

How has Tokyo National Hospital's research output changed?

Output in 2018–2022 was 28% 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.