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Hospital / health system · Kumamoto · Japan

Kumamoto Orthopedic Surgery Hospital

In research, Kumamoto Orthopedic Surgery Hospital stands highest in Medicine (#12,236 of 17,978 worldwide) and Health Sciences (#15,261 of 20,462 worldwide), over all time.

marutakai.or.jp/kumaseiROR OpenAlex
World rank, all time
#35,841
of 42,892
Rank in Japan
#1,573
of 2,112
Research works
388
▲ 18% vs 2013–17
Citations
3.9k
10.1 per fractional work
Top-10% rate
14.4%
record average 16.5%
Open access
64%
world 28%

What is Kumamoto Orthopedic Surgery Hospital known for in research?

The fields where it stands highest, over all time, ranked among every institution above the floor in each field.

FieldWorld rankWhere that sitsTop-10% rateWorks
MedicineField #12,236 of 17,978 7.0%309
Health SciencesDomain #15,261 of 20,462 7.8%324

Each strip is that field’s whole ranked pool, with the notch where Kumamoto Orthopedic Surgery 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).

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: 0.42× its world share, 1 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.64× its world share, 2 worksBiochemistry, Geneti…Immunology and Microbiology: 1.04× its world share, 0 worksImmunology and Micro…Neuroscience: 1.14× its world share, 1 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 2.87× its world share, 0 worksPharmacology, Toxico…Computer Science: 0.16× its world share, 1 worksComputer ScienceEngineering: 0.22× its world share, 2 worksEngineeringEnvironmental Science: 0.16× its world share, 0 worksEnvironmental ScienceMathematics: 0.55× its world share, 0 worksMathematicsDentistry: 2.96× its world share, 1 worksDentistryHealth Professions: 1.86× its world share, 2 worksHealth ProfessionsMedicine: 3.92× its world share, 39 worksMedicineNursing: 1.41× its world share, 0 worksNursingArts and Humanities: 0.05× its world share, 0 worksArts and HumanitiesDecision Sciences: 0.03× its world share, 0 worksDecision SciencesPsychology: 0.59× its world share, 1 worksPsychologySocial Sciences: 0.02× 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, 3.9×. Every wedge is a field page.

Who are the top researchers at Kumamoto Orthopedic Surgery Hospital?

Ranked on the composite score, Makoto Tokunaga, Hiroyuki Yonemitsu and Hiroaki Yamanaga lead among researchers whose main affiliation is Kumamoto Orthopedic Surgery Hospital.

  1. 1 Makoto Tokunaga Japan · #320,383 worldwide 71 citations · 35 works
  2. 2 Hiroyuki Yonemitsu Japan · #782,011 worldwide 15 citations · 19 works
  3. 3 Hiroaki Yamanaga Japan · #1,202,689 worldwide 17 citations · 15 works
  4. 4 Terumi Sakae Japan · #1,501,129 worldwide 1 citations · 19 works
All ranked researchers at Kumamoto Orthopedic Surgery Hospital

Which keywords describe research at Kumamoto Orthopedic Surgery Hospital?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Epidemiology, Quality of Life, Clinical Practice Guidelines, Wound Healing, Complications, Inflammation, Aging and Chronic Venous Insufficiency.

▲ 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. Epidemiology8▲ 4.1×45 topics
  2. Quality of Life6▲ 7.8×14 topics
  3. Inflammation4▲ 3.9×16 topics
  4. Clinical Practice Guidelines4▲ 15×8 topics
  5. Wound Healing3▲ 25×4 topics
  6. Complications3▲ 12×10 topics
  7. Aging3▲ 9.6×3 topics
  8. Chronic Venous Insufficiency3▲ 246×1 topic
  9. Hypertrophic Scarring3▲ 179×1 topic
  10. Keloids3▲ 179×1 topic
  11. Varicose Veins3▲ 246×1 topic
  12. Risk Factors2▲ 4.3×12 topics
  13. Rehabilitation2▲ 12×8 topics
  14. Treatment2▲ 3.8×14 topics
  15. Diagnosis2▲ 4.9×13 topics
  16. Prognosis2▲ 13×5 topics
  17. Management2▲ 5.2×13 topics
  18. Muscle Mass2▲ 35×2 topics
  19. Physical Performance2▲ 41×2 topics
  20. Elderly Patients2▲ 22×3 topics
  21. Elderly2▲ 14×4 topics
  22. Neurological Disorders2▲ 5.6×11 topics
  23. Biomechanics2▲ 9.3×4 topics
  24. Internal Fixation2▲ 42×2 topics
  25. Mortality2▲ 5.1×5 topics
  26. Surgical Management2▲ 7.2×9 topics
  27. Cancer Cachexia1▲ 31×1 topic
  28. Sarcopenia1▲ 31×1 topic
  29. Embolization1▲ 39×2 topics
  30. Mortality Risk1▲ 10×3 topics
  31. Prevention1▲ 6.2×10 topics
  32. Frailty1▲ 47×1 topic
  33. Geriatric Assessment1▲ 33×1 topic
  34. Muscle Strength1▲ 22×3 topics
  35. Prophylaxis1▲ 17×3 topics
  36. Surgical Treatment1▲ 11×3 topics
  37. Conservative Treatment1▲ 100×2 topics
  38. Guided Lamb Waves1▲ 53×1 topic
  39. Piezoelectric Impedance-Based Health Monitoring1▲ 53×1 topic
  40. Stroke1▲ 11×4 topics

Which research topics does Kumamoto Orthopedic Surgery Hospital publish most on?

By volume in 2022–2025: Dermatologic Treatments and Research, Diagnosis and Treatment of Venous Diseases, Nutrition and Health in Aging and Frailty in Older Adults.

Dermatologic Treatments and Research: 3 fractional worksDiagnosis and Treatment of Venous Diseases: 3 fractional worksNutrition and Health in Aging: 1 fractional worksFrailty in Older Adults: 1 fractional worksUltrasonics and Acoustic Wave Propagation: 1 fractional worksDysphagia Assessment and Management: 1 fractional worksBone fractures and treatments: 1 fractional worksVenous Thromboembolism Diagnosis and Management: 1 fractional worksBalance, Gait, and Falls Prevention: 1 fractional worksOrthopaedic implants and arthroplasty: 1 fractional works
DermatologySurgeryPhysiologyGeriatrics and Gerontology5 others

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

  1. 1 Dermatologic Treatments and Research Dermatology 3 works
  2. 2 Diagnosis and Treatment of Venous Diseases Surgery 3 works
  3. 3 Nutrition and Health in Aging Physiology 1 works
  4. 4 Frailty in Older Adults Geriatrics and Gerontology 1 works
  5. 5 Ultrasonics and Acoustic Wave Propagation Mechanics of Materials 1 works
  6. 6 Dysphagia Assessment and Management Speech and Hearing 1 works
  7. 7 Bone fractures and treatments Epidemiology 1 works
  8. 8 Venous Thromboembolism Diagnosis and Management Internal Medicine 1 works
  9. 9 Balance, Gait, and Falls Prevention Physical Therapy, Sports Therapy and Rehabilitation 1 works
  10. 10 Orthopaedic implants and arthroplasty Surgery 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 available64.4%not open35.6%

World: 28% of research is openly available.

with international co-authors13.9%domestic only86.1%

World: 19% is written across borders.

How has Kumamoto Orthopedic Surgery Hospital's research output changed?

Output in 2018–2022 was 18% 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 Kumamoto

All research institutions in Kumamoto

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.