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Hospital / health system · Tokyo · Japan

NTT Medical Center

In research, NTT Medical Center stands highest in Medicine (#7,337 of 10,443 worldwide) and Health Sciences (#8,714 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 10.3× its share of world research.

ntt-east.co.jp/kmc/enROR OpenAlex
World rank, 2022–2025
#17,825
of 28,054 · #20,776 all time
Rank in Japan
#487
of 1,070
Research works
1.2k
▲ 47% vs 2013–17
Citations
11k
9.5 per fractional work
Top-10% rate
6.5%
record average 16.5%
Open access
53%
world 28%

What is NTT Medical Center 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 #7,337 of 10,443 6.0%229 #7946
Health SciencesDomain #8,714 of 11,982 6.2%236 #8807

Each strip is that field’s whole ranked pool, with the notch where NTT Medical Center 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 NTT Medical Center specialise in?

Where its research is concentrated relative to its size: Pulmonary and Respiratory Medicine takes 10.3× the share of its output that it takes of world research.

  1. Pulmonary and Respiratory MedicineSubfield · 45.9 works10×
  2. SurgerySubfield · 44.8 works6.6×
← 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: 0.04× its world share, 1 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.87× its world share, 14 worksBiochemistry, Geneti…Immunology and Microbiology: 2.04× its world share, 6 worksImmunology and Micro…Neuroscience: 0.46× its world share, 2 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 0.84× its world share, 1 worksPharmacology, Toxico…Chemistry: 0.04× its world share, 0 worksChemistryComputer Science: 0.42× its world share, 10 worksComputer ScienceEnergy: 0.25× its world share, 1 worksEnergyEngineering: 0.26× its world share, 11 worksEngineeringEnvironmental Science: 0.07× its world share, 1 worksEnvironmental ScienceMaterials Science: 0.05× its world share, 0 worksMaterials ScienceMathematics: 0.01× its world share, 0 worksMathematicsPhysics and Astronomy: 0.23× its world share, 2 worksPhysics and AstronomyDentistry: 0.45× its world share, 1 worksDentistryHealth Professions: 0.71× its world share, 5 worksHealth ProfessionsMedicine: 4.11× its world share, 229 worksMedicineNursing: 0.47× its world share, 1 worksNursingVeterinary: 0.71× its world share, 0 worksVeterinaryBusiness, Management and Accounting: 0.05× its world share, 0 worksBusiness, Management…Decision Sciences: 0.10× its world share, 0 worksDecision SciencesEconomics, Econometrics and Finance: 0.08× its world share, 0 worksEconomics, Econometr…Psychology: 0.40× its world share, 4 worksPsychologySocial Sciences: 0.03× its world share, 1 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Medicine, 4.1×. Every wedge is a field page.

Who are the top researchers at NTT Medical Center?

Ranked on the composite score, Kensuke Usuki, Masao Yamasaki and Nobuyuki Matsuhashi lead among researchers whose main affiliation is NTT Medical Center.

  1. 1 Kensuke Usuki Japan · #165,062 worldwide 118 citations · 50 works
  2. 2 Masao Yamasaki Japan · #206,135 worldwide 78 citations · 32 works
  3. 3 Nobuyuki Matsuhashi Japan · #397,558 worldwide 85 citations · 41 works
  4. 4 Ken Ohata Japan · #470,352 worldwide 44 citations · 32 works
  5. 5 Takao Orii Japan · #590,307 worldwide 20 citations · 29 works
  6. 6 Kazuhiro Usui Japan · #689,394 worldwide 44 citations · 34 works
  7. 7 Yasushi Harihara Japan · #700,274 worldwide 23 citations · 28 works
  8. 8 Hajime Horiuchi Japan · #1,131,894 worldwide 38 citations · 19 works
  9. 9 Akira Hangaishi Japan · #1,182,623 worldwide 24 citations · 19 works
  10. 10 Yohei Minato Japan · #1,192,159 worldwide 13 citations · 20 works
All ranked researchers at NTT Medical Center

Which keywords describe research at NTT Medical Center?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Chemotherapy, Prognostic Factors, Clinical Practice Guidelines, Epidemiology, Surgical Management, Molecular Characterization, 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. Epidemiology33▲ 2.9×82 topics
  2. Chemotherapy27▲ 13×20 topics
  3. Prognostic Factors21▲ 17×11 topics
  4. Clinical Practice Guidelines20▲ 13×14 topics
  5. Surgical Management17▲ 14×17 topics
  6. Molecular Characterization17▲ 33×5 topics
  7. Treatment16▲ 4.7×29 topics
  8. Endoscopic Resection15▲ 53×2 topics
  9. Diagnosis14▲ 5.3×28 topics
  10. Survival Analysis14▲ 18×6 topics
  11. Adjuvant Therapy14▲ 38×2 topics
  12. Immunotherapy14▲ 6.7×15 topics
  13. Gastric Cancer14▲ 42×3 topics
  14. Neoadjuvant Chemotherapy13▲ 53×2 topics
  15. Lymph Node Dissection13▲ 74×1 topic
  16. Metastatic Gastric Cancer13▲ 74×1 topic
  17. Inflammation12▲ 2.0×44 topics
  18. Genetic Mutations11▲ 8.5×16 topics
  19. PET Imaging10▲ 20×4 topics
  20. Endovascular Treatment9▲ 55×2 topics
  21. Neoadjuvant Therapy9▲ 13×5 topics
  22. Imatinib Mesylate9▲ 62×2 topics
  23. Complications8▲ 5.9×14 topics
  24. Radiosurgery8▲ 31×4 topics
  25. PDGFRA Mutations8▲ 101×1 topic
  26. Sunitinib8▲ 101×1 topic
  27. Guidelines8▲ 5.8×10 topics
  28. Molecular Profiling8▲ 27×3 topics
  29. Magnetic Resonance Imaging7▲ 9.9×5 topics
  30. Breast Cancer7▲ 9.7×8 topics
  31. Percutaneous Coronary Intervention7▲ 17×4 topics
  32. Immunohistochemistry7▲ 31×3 topics
  33. Aneurysmal Subarachnoid Hemorrhage6▲ 64×1 topic
  34. Hemodynamics6▲ 43×2 topics
  35. Intracranial Aneurysms6▲ 64×1 topic
  36. Palliative Treatment6▲ 33×2 topics
  37. Children6▲ 8.8×5 topics
  38. Clinical Management6▲ 12×8 topics
  39. Endoscopic Stenting5▲ 40×1 topic
  40. Esophageal Perforation5▲ 40×1 topic

Which research topics does NTT Medical Center publish most on?

By volume in 2022–2025: Gastric Cancer Management and Outcomes, Gastrointestinal Tumor Research and Treatment, Intracranial Aneurysms: Treatment and Complications and Esophageal and GI Pathology.

Gastric Cancer Managemen…13Gastric Cancer Management and Outcomes: 13 fractional worksGastrointestinal Tumor Research and Treatment: 8 fractional worksIntracranial Aneurysms: …6Intracranial Aneurysms: Treatment and Complications: 6 fractional worksEsophageal and GI Pathol…5Esophageal and GI Pathology: 5 fractional worksMetastasis and carcinoma case studies: 4 fractional worksCoronary Interventions and Diagnostics: 4 fractional worksAcute Myeloid Leukemia R…4Acute Myeloid Leukemia Research: 4 fractional worksCerebrovascular and Carotid Artery Diseases: 4 fractional worksGastrointestinal disorders and treatments: 4 fractional worksMoyamoya disease diagnosis and treatment: 3 fractional works
Pulmonary and Respiratory MedicineGastroenterologyNeurologySurgery2 others

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

  1. 1 Gastric Cancer Management and Outcomes Pulmonary and Respiratory Medicine 13 works
  2. 2 Gastrointestinal Tumor Research and Treatment Gastroenterology 8 works
  3. 3 Intracranial Aneurysms: Treatment and Complications Neurology 6 works
  4. 4 Esophageal and GI Pathology Surgery 5 works
  5. 5 Metastasis and carcinoma case studies Pulmonary and Respiratory Medicine 4 works
  6. 6 Coronary Interventions and Diagnostics Surgery 4 works
  7. 7 Acute Myeloid Leukemia Research Hematology 4 works
  8. 8 Cerebrovascular and Carotid Artery Diseases Pulmonary and Respiratory Medicine 4 works
  9. 9 Gastrointestinal disorders and treatments Surgery 4 works
  10. 10 Moyamoya disease diagnosis and treatment Rheumatology 3 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 available53.4%not open46.6%

World: 28% of research is openly available.

with international co-authors6.4%domestic only93.6%

World: 19% is written across borders.

How has NTT Medical Center's research output changed?

Output in 2018–2022 was 47% 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.