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Hospital / health system · Tokyo · Japan

Murayama Medical Center

In research, Murayama Medical Center stands highest in Medicine (#14,824 of 17,978 worldwide) and Health Sciences (#17,856 of 20,462 worldwide), over all time. Relative to its size it is most specialised in Medicine and Health Sciences — Medicine is 3.7× its share of world research.

murayama-hosp.jpROR OpenAlex
World rank, all time
#24,815
of 42,892
Rank in Japan
#979
of 2,112
Research works
341
▲ 29% vs 2013–17
Citations
7.4k
21.6 per fractional work
Top-10% rate
7.9%
record average 16.5%
Open access
41%
world 28%

What is Murayama Medical Center 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 #14,824 of 17,978 13.5%214
Health SciencesDomain #17,856 of 20,462 13.5%219

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

Where its research is concentrated relative to its size: Medicine takes 3.7× the share of its output that it takes of world research.

  1. MedicineField · 28.6 works3.7×
  2. Health SciencesDomain · 30.0 works3.2×
← 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: 0.71× its world share, 1 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 1.31× its world share, 3 worksBiochemistry, Geneti…Immunology and Microbiology: 2.06× its world share, 1 worksImmunology and Micro…Neuroscience: 2.95× its world share, 2 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 1.42× its world share, 0 worksPharmacology, Toxico…Engineering: 0.31× its world share, 2 worksEngineeringEnvironmental Science: 0.16× its world share, 0 worksEnvironmental ScienceMathematics: 0.07× its world share, 0 worksMathematicsPhysics and Astronomy: 0.86× its world share, 1 worksPhysics and AstronomyDentistry: 0.85× its world share, 0 worksDentistryHealth Professions: 0.68× its world share, 1 worksHealth ProfessionsMedicine: 3.67× its world share, 29 worksMedicineNursing: 0.32× its world share, 0 worksNursingVeterinary: 6.91× its world share, 0 worksVeterinaryPsychology: 0.23× its world share, 0 worksPsychologySocial Sciences: 0.03× its world share, 0 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Veterinary, 6.9×. Every wedge is a field page.

Who are the top researchers at Murayama Medical Center?

Ranked on the composite score, K. Furutsu, Masafumi Machida and Yasumasa Okada lead among researchers whose main affiliation is Murayama Medical Center.

  1. 1 K. Furutsu Japan · #992,737 worldwide 37 citations · 16 works
  2. 2 Masafumi Machida Japan · #1,092,108 worldwide 21 citations · 17 works
  3. 3 Yasumasa Okada Japan · #1,243,670 worldwide 36 citations · 27 works
All ranked researchers at Murayama Medical Center

Which keywords describe research at Murayama Medical Center?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Epidemiology, Degenerative Disc Disease, Spinal Fusion, Biomechanics, Pedicle Screw Fixation, Vertebroplasty, Surgical Treatment and Low Back Pain.

▲ 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 33 words are chosen for being large and distinctive. Each links to the topic it comes from most.

All 33 words, with their numbers
  1. Epidemiology6▲ 4.0×34 topics
  2. Degenerative Disc Disease4▲ 108×2 topics
  3. Spinal Fusion4▲ 96×2 topics
  4. Biomechanics3▲ 27×3 topics
  5. Pedicle Screw Fixation3▲ 180×1 topic
  6. Vertebroplasty3▲ 180×1 topic
  7. Surgical Treatment3▲ 33×4 topics
  8. Low Back Pain2▲ 34×2 topics
  9. Intervertebral Disc2▲ 80×1 topic
  10. Lumbar Disc Degeneration2▲ 80×1 topic
  11. Quality of Life2▲ 3.6×8 topics
  12. Anterior Cervical Discectomy2▲ 175×1 topic
  13. Cervical Spine Surgery2▲ 175×1 topic
  14. Functional Recovery2▲ 29×4 topics
  15. Inflammation2▲ 2.1×13 topics
  16. Vaccine2▲ 10×7 topics
  17. Infection2▲ 16×4 topics
  18. Rehabilitation2▲ 9.9×6 topics
  19. Scoliosis2▲ 131×1 topic
  20. Spinal Deformity2▲ 131×1 topic
  21. Treatment2▲ 3.2×8 topics
  22. Clinical Practice Guidelines2▲ 6.6×6 topics
  23. Pathogenesis2▲ 7.4×6 topics
  24. Diagnosis1▲ 3.7×7 topics
  25. Mortality1▲ 5.4×7 topics
  26. Parathyroid Hormone1▲ 32×3 topics
  27. Risk Factors1▲ 2.7×7 topics
  28. Wnt Signaling1▲ 29×2 topics
  29. Bone Mineral Density1▲ 38×1 topic
  30. Fractures1▲ 77×1 topic
  31. Genetic Mutations1▲ 6.0×8 topics
  32. Immune Response1▲ 4.4×6 topics
  33. Surgical Management1▲ 6.3×6 topics

Which research topics does Murayama Medical Center publish most on?

By volume in 2022–2025: Spinal Fractures and Fixation Techniques, Spine and Intervertebral Disc Pathology, Cervical and Thoracic Myelopathy and Scoliosis diagnosis and treatment.

Spinal Fractures and Fix…3Spinal Fractures and Fixation Techniques: 3 fractional worksSpine and Intervertebral Disc Pathology: 2 fractional worksCervical and Thoracic Myelopathy: 2 fractional worksScoliosis diagnosis and treatment: 2 fractional worksBone health and osteoporosis research: 1 fractional worksHip and Femur Fractures1Hip and Femur Fractures: 1 fractional worksViral gastroenteritis research and epidemiology: 1 fractional worksSpinal Cord Injury Research: 1 fractional worksInfluenza Virus Research Studies: 0 fractional worksDiagnosis and Treatment of Venous Diseases: 0 fractional works
SurgeryPathology and Forensic MedicineOrthopedics and Sports MedicineInfectious Diseases1 others

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

  1. 1 Spinal Fractures and Fixation Techniques Surgery 3 works
  2. 2 Spine and Intervertebral Disc Pathology Pathology and Forensic Medicine 2 works
  3. 3 Cervical and Thoracic Myelopathy Surgery 2 works
  4. 4 Scoliosis diagnosis and treatment Surgery 2 works
  5. 5 Bone health and osteoporosis research Orthopedics and Sports Medicine 1 works
  6. 6 Hip and Femur Fractures Surgery 1 works
  7. 7 Viral gastroenteritis research and epidemiology Infectious Diseases 1 works
  8. 8 Spinal Cord Injury Research Pathology and Forensic Medicine 1 works
  9. 9 Influenza Virus Research Studies Epidemiology 0 works
  10. 10 Diagnosis and Treatment of Venous Diseases Surgery 0 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 available40.8%not open59.2%

World: 28% of research is openly available.

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

World: 19% is written across borders.

How has Murayama Medical Center's research output changed?

Output in 2018–2022 was 29% 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.