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Hospital / health system · Osaka · Japan

Osaka Hospital

In research, Osaka Hospital stands highest in Medicine (#6,816 of 10,443 worldwide) and Health Sciences (#8,556 of 11,982 worldwide), 2022–2025. Relative to its size it is most specialised in Surgery and Pulmonary and Respiratory Medicine — Surgery is 9.6× its share of world research.

osaka.jcho.go.jpROR OpenAlex
World rank, 2022–2025
#21,138
of 28,054 · #21,452 all time
Rank in Japan
#627
of 1,070
Research works
1.2k
▲ 36% vs 2013–17
Citations
13k
11.1 per fractional work
Top-10% rate
6.7%
record average 16.5%
Open access
47%
world 28%

What is Osaka 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 #6,816 of 10,443 6.4%178 #6594
Health SciencesDomain #8,556 of 11,982 6.2%187 #8605

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

Where its research is concentrated relative to its size: Surgery takes 9.6× the share of its output that it takes of world research.

  1. SurgerySubfield · 47.7 works9.6×
  2. Pulmonary and Respiratory MedicineSubfield · 23.5 works7.2×
← 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, 0 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.52× its world share, 6 worksBiochemistry, Geneti…Immunology and Microbiology: 1.72× its world share, 4 worksImmunology and Micro…Neuroscience: 0.65× its world share, 2 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 0.17× its world share, 0 worksPharmacology, Toxico…Chemical Engineering: 0.06× its world share, 0 worksChemical EngineeringComputer Science: 0.02× its world share, 0 worksComputer ScienceEarth and Planetary Sciences: 0.11× its world share, 0 worksEarth and Planetary …Engineering: 0.14× its world share, 4 worksEngineeringEnvironmental Science: 0.27× its world share, 3 worksEnvironmental ScienceMaterials Science: 0.11× its world share, 1 worksMaterials ScienceMathematics: 0.03× its world share, 0 worksMathematicsPhysics and Astronomy: 0.06× its world share, 0 worksPhysics and AstronomyDentistry: 1.64× its world share, 2 worksDentistryHealth Professions: 0.96× its world share, 5 worksHealth ProfessionsMedicine: 4.37× its world share, 178 worksMedicineNursing: 1.05× its world share, 1 worksNursingVeterinary: 2.90× its world share, 1 worksVeterinaryArts and Humanities: 0.18× its world share, 1 worksArts and HumanitiesDecision Sciences: 0.03× its world share, 0 worksDecision SciencesPsychology: 0.29× its world share, 2 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 Osaka Hospital?

Ranked on the composite score, Masami Takeyama, Yukihiko Tokunaga and Takeshi Fuji lead among researchers whose main affiliation is Osaka Hospital.

  1. 1 Masami Takeyama Japan · #223,950 worldwide 84 citations · 29 works
  2. 2 Yukihiko Tokunaga Japan · #313,233 worldwide 71 citations · 21 works
  3. 3 Takeshi Fuji Japan · #429,113 worldwide 43 citations · 23 works
  4. 4 Masafumi Naito Japan · #494,260 worldwide 44 citations · 22 works
  5. 5 Makoto Kitada Japan · #601,081 worldwide 17 citations · 16 works
  6. 6 Tetsuya Hayashi Japan · #1,118,660 worldwide 33 citations · 49 works
  7. 7 Nobutaka Hatanaka Japan · #1,341,530 worldwide 2 citations · 19 works
  8. 8 Nobuyuki Ogasawara Japan · #1,450,788 worldwide 7 citations · 28 works
  9. 9 Shinji Hasegawa Japan · #1,561,187 worldwide 10 citations · 15 works
All ranked researchers at Osaka Hospital

Which keywords describe research at Osaka Hospital?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Epidemiology, Chemotherapy, Clinical Practice Guidelines, Complications, Surgical Management, Diagnosis, Prognostic Factors and Treatment.

▲ 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. Epidemiology27▲ 3.2×78 topics
  2. Inflammation13▲ 2.9×47 topics
  3. Chemotherapy12▲ 8.4×15 topics
  4. Clinical Practice Guidelines12▲ 10×13 topics
  5. Diagnosis11▲ 5.8×29 topics
  6. Treatment11▲ 4.3×32 topics
  7. Complications10▲ 9.9×14 topics
  8. Surgical Management10▲ 12×17 topics
  9. Risk Factors9▲ 3.9×16 topics
  10. Prognostic Factors8▲ 9.2×12 topics
  11. Management8▲ 5.0×24 topics
  12. Guidelines7▲ 7.5×11 topics
  13. Immunotherapy7▲ 4.7×17 topics
  14. Mortality6▲ 5.3×10 topics
  15. Neoadjuvant Therapy6▲ 12×5 topics
  16. Heart Failure6▲ 6.2×11 topics
  17. Rehabilitation6▲ 6.7×11 topics
  18. Catheter Ablation6▲ 22×2 topics
  19. Survival Analysis5▲ 9.1×6 topics
  20. Surgery5▲ 6.7×9 topics
  21. Biomechanics5▲ 7.6×5 topics
  22. Endoscopic Resection5▲ 22×2 topics
  23. Diabetes5▲ 4.4×10 topics
  24. Prevention4▲ 5.1×9 topics
  25. Prognosis4▲ 6.4×9 topics
  26. Radiofrequency Ablation4▲ 20×2 topics
  27. Gastric Cancer4▲ 17×3 topics
  28. Laparoscopic Surgery4▲ 17×4 topics
  29. Adjuvant Therapy4▲ 15×2 topics
  30. Echocardiography4▲ 7.0×7 topics
  31. Molecular Characterization4▲ 11×4 topics
  32. Preoperative Chemoradiotherapy4▲ 24×2 topics
  33. PET Imaging4▲ 11×4 topics
  34. Arrhythmias4▲ 19×2 topics
  35. Glycemic Control4▲ 11×4 topics
  36. Endovascular Repair4▲ 20×3 topics
  37. Imatinib Mesylate4▲ 34×2 topics
  38. Insulin Therapy4▲ 14×3 topics
  39. Robotic Surgery4▲ 12×5 topics
  40. Percutaneous Coronary Intervention4▲ 13×4 topics

Which research topics does Osaka Hospital publish most on?

By volume in 2022–2025: Gastric Cancer Management and Outcomes, Cardiac Arrhythmias and Treatments, Gastrointestinal Tumor Research and Treatment and Colorectal Cancer Surgical Treatments.

Gastric Cancer Managemen…3Gastric Cancer Management and Outcomes: 3 fractional worksCardiac Arrhythmias and …3Cardiac Arrhythmias and Treatments: 3 fractional worksGastrointestinal Tumor R…3Gastrointestinal Tumor Research and Treatment: 3 fractional worksColorectal Cancer Surgic…3Colorectal Cancer Surgical Treatments: 3 fractional worksAtrial Fibrillation Management and Outcomes: 2 fractional worksTotal Knee Arthroplasty Outcomes: 2 fractional worksShoulder Injury and Trea…2Shoulder Injury and Treatment: 2 fractional worksTracheal and airway disorders: 2 fractional worksMinimally Invasive Surgical Techniques: 2 fractional worksSpine and Intervertebral…2Spine and Intervertebral Disc Pathology: 2 fractional works
Pulmonary and Respiratory MedicineCardiology and Cardiovascular MedicineGastroenterologyOncology2 others

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

  1. 1 Gastric Cancer Management and Outcomes Pulmonary and Respiratory Medicine 3 works
  2. 2 Cardiac Arrhythmias and Treatments Cardiology and Cardiovascular Medicine 3 works
  3. 3 Gastrointestinal Tumor Research and Treatment Gastroenterology 3 works
  4. 4 Colorectal Cancer Surgical Treatments Oncology 3 works
  5. 5 Atrial Fibrillation Management and Outcomes Cardiology and Cardiovascular Medicine 2 works
  6. 6 Total Knee Arthroplasty Outcomes Surgery 2 works
  7. 7 Shoulder Injury and Treatment Surgery 2 works
  8. 8 Tracheal and airway disorders Pulmonary and Respiratory Medicine 2 works
  9. 9 Minimally Invasive Surgical Techniques Surgery 2 works
  10. 10 Spine and Intervertebral Disc Pathology Pathology and Forensic 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 available46.7%not open53.3%

World: 28% of research is openly available.

with international co-authors5.7%domestic only94.3%

World: 19% is written across borders.

How has Osaka Hospital's research output changed?

Output in 2018–2022 was 36% 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 Osaka

All research institutions in Osaka

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.