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Hospital / health system · Tokyo · Japan

Ohkubo Hospital

In research, Ohkubo Hospital stands highest in Medicine (#17,059 of 17,978 worldwide) and Health Sciences (#19,782 of 20,462 worldwide), over all time.

ohkubohospital.jpROR OpenAlex
World rank, all time
#40,884
of 42,892
Rank in Japan
#1,959
of 2,112
Research works
281
◆ 1% vs 2013–17
Citations
2k
7.0 per fractional work
Top-10% rate
5.8%
record average 16.5%
Open access
43%
world 28%

What is Ohkubo 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 #17,059 of 17,978 2.4%218
Health SciencesDomain #19,782 of 20,462 2.3%227

Each strip is that field’s whole ranked pool, with the notch where Ohkubo 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: 0.39× its world share, 0 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 1.39× its world share, 2 worksBiochemistry, Geneti…Immunology and Microbiology: 1.17× its world share, 0 worksImmunology and Micro…Neuroscience: 0.51× its world share, 0 worksNeuroscienceEngineering: 0.13× its world share, 0 worksEngineeringEnvironmental Science: 0.04× its world share, 0 worksEnvironmental ScienceMathematics: 0.07× its world share, 0 worksMathematicsHealth Professions: 0.09× its world share, 0 worksHealth ProfessionsMedicine: 4.40× its world share, 17 worksMedicineSocial Sciences: 0.13× 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 Ohkubo Hospital?

Ranked on the composite score, Shoji Maruyama, Michio Maruyama and Masakazu Ebuchi lead among researchers whose main affiliation is Ohkubo Hospital.

  1. 1 Shoji Maruyama Japan · #456,617 worldwide 42 citations · 32 works
  2. 2 Michio Maruyama Japan · #1,109,436 worldwide 45 citations · 49 works
  3. 3 Masakazu Ebuchi Japan · #1,463,453 worldwide 12 citations · 22 works
All ranked researchers at Ohkubo Hospital

Which keywords describe research at Ohkubo Hospital?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Immunohistochemistry, Molecular Profiling, Metabolic Syndrome, Breast Cancer, Cancer of Unknown Primary, Metastasis, Treatment and Therapeutic Targets.

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

All 15 words, with their numbers
  1. Immunohistochemistry2▲ 157×2 topics
  2. Molecular Profiling2▲ 117×2 topics
  3. Metabolic Syndrome2▲ 11×6 topics
  4. Breast Cancer2▲ 35×3 topics
  5. Cancer of Unknown Primary2▲ 297×1 topic
  6. Metastasis2▲ 24×1 topic
  7. Treatment2▲ 6.2×9 topics
  8. Inflammation1▲ 3.1×5 topics
  9. Diagnosis1▲ 6.1×5 topics
  10. Epidemiology1▲ 1.47×7 topics
  11. Therapeutic Targets1▲ 38×3 topics
  12. Guidelines1▲ 12×3 topics
  13. Cancer Risk1▲ 23×4 topics
  14. Chemotherapy1▲ 7.1×7 topics
  15. Prognostic Markers1▲ 47×2 topics

Which research topics does Ohkubo Hospital publish most on?

By volume in 2022–2025: Cancer Diagnosis and Treatment, Metastasis and carcinoma case studies, Advanced Breast Cancer Therapies and Liver Disease Diagnosis and Treatment.

Cancer Diagnosis and Tre…2Cancer Diagnosis and Treatment: 2 fractional worksMetastasis and carcinoma case studies: 1 fractional worksAdvanced Breast Cancer Therapies: 1 fractional worksLiver Disease Diagnosis and Treatment: 1 fractional worksCOVID-19 Clinical Research Studies: 0 fractional worksDiagnosis and treatment of tuberculosis: 0 fractional worksRenal Diseases and Glome…0Renal Diseases and Glomerulopathies: 0 fractional worksAppendicitis Diagnosis and Management: 0 fractional worksInfectious Aortic and Vascular Conditions: 0 fractional worksAlcohol Consumption and Health Effects: 0 fractional works
OncologyPulmonary and Respiratory MedicineEpidemiologyInfectious Diseases4 others

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

  1. 1 Cancer Diagnosis and Treatment Oncology 2 works
  2. 2 Metastasis and carcinoma case studies Pulmonary and Respiratory Medicine 1 works
  3. 3 Advanced Breast Cancer Therapies Pulmonary and Respiratory Medicine 1 works
  4. 4 Liver Disease Diagnosis and Treatment Epidemiology 1 works
  5. 5 COVID-19 Clinical Research Studies Infectious Diseases 0 works
  6. 6 Diagnosis and treatment of tuberculosis Surgery 0 works
  7. 7 Renal Diseases and Glomerulopathies Nephrology 0 works
  8. 8 Appendicitis Diagnosis and Management Emergency Medicine 0 works
  9. 9 Infectious Aortic and Vascular Conditions Surgery 0 works
  10. 10 Alcohol Consumption and Health Effects Pathology and Forensic Medicine 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 available43.1%not open56.9%

World: 28% of research is openly available.

with international co-authors4.1%domestic only95.9%

World: 19% is written across borders.

How has Ohkubo Hospital's research output changed?

Output in 2018–2022 was 1% 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.