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Hospital / health system · Tokyo · Japan

Tokyo Medical Center

In research, Tokyo Medical Center stands highest in Medicine (#4,119 of 8,541 worldwide) and Health Sciences (#5,012 of 9,902 worldwide), 2022-now.

tokyo-mc.hosp.go.jpROR OpenAlex
World rank, 2022-now
#16,934
of 22,385 · #21,018 all time
Rank in Japan
#508
of 924
Research works
1.3k
▼ 8% vs 2018-21
Citations
17k
13.3 per fractional work
Top-10% rate
8.0%
all institutions 10.0%
vs its own fields
0.92×
1.00× is exactly expected
Open access
43%
world 40%
International
10%
world 18%
Tokyo Medical Center

What is Tokyo Medical Center known for in research?

The fields where it stands highest, 2022-now, ranked among every institution above the floor in each field.

FieldWorld rankWhere that sitsTop-10% rateWorksAll time
MedicineField #4,119 of 8,541 8.8%116 #5970
Health SciencesDomain #5,012 of 9,902 8.7%122 #7494

Each strip is that field's whole ranked pool, with the notch where Tokyo 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 average mark, because the average differs by field (from about 6% in Dentistry to 21% in Economics).

Which fields of science does Tokyo Medical Center work in?

In 2022-now, 73% of research at Tokyo Medical Center is in Health Sciences, 21% in Life Sciences. Its largest fields are Medicine (70%), Biochemistry, Genetics and Molecular Biology (11%), Neuroscience (8%). It does 3.0× the world's share of Health Sciences.

Health Sciences: 140 fractional works · 73.1% of its workMedicine: 133 fractional works · 69.7% of its workSurgery: 24 fractional works · 12.7% of its workPulmonary and Respiratory Medicine: 19 fractional works · 9.9% of its workCardiology and Cardiovascular Medicine: 9 fractional works · 4.8% of its workEpidemiology: 8 fractional works · 4.4% of its workOphthalmology: 8 fractional works · 4.0% of its workOncology: 7 fractional works · 3.6% of its workRadiology, Nuclear Medicine and Imaging: 7 fractional works · 3.4% of its workNeurology: 6 fractional works · 3.0% of its workPathology and Forensic Medicine: 5 fractional works · 2.4% of its workRheumatology: 4 fractional works · 2.3% of its workPhysiology: 4 fractional works · 2.2% of its workPublic Health, Environmental and Occupational Health: 4 fractional works · 2.2% of its workInfectious Diseases: 2 fractional works · 1.2% of its workPediatrics, Perinatology and Child Health: 2 fractional works · 1.0% of its workOtorhinolaryngology: 2 fractional works · 1.0% of its workPsychiatry and Mental health: 2 fractional works · 1.0% of its workGenetics: 2 fractional works · 1.0% of its workEmergency Medicine: 2 fractional works · 1.0% of its workHematology: 2 fractional works · 0.9% of its workPharmacology: 2 fractional works · 0.8% of its workEndocrinology, Diabetes and Metabolism: 2 fractional works · 0.8% of its workGastroenterology: 1 fractional works · 0.7% of its workDermatology: 1 fractional works · 0.7% of its workObstetrics and Gynecology: 1 fractional works · 0.7% of its workOrthopedics and Sports Medicine: 1 fractional works · 0.6% of its workInternal Medicine: 1 fractional works · 0.5% of its workRehabilitation: 1 fractional works · 0.4% of its workUrology: 1 fractional works · 0.3% of its workAnesthesiology and Pain Medicine: 1 fractional works · 0.3% of its workGeriatrics and Gerontology: 1 fractional works · 0.3% of its workImmunology and Allergy: 0 fractional works · 0.3% of its workCritical Care and Intensive Care Medicine: 0 fractional works · 0.2% of its workSmaller subfields together: 2 fractional works · 1.2% of its workHealth Professions: 5 fractional works · 2.7% of its workGeneral Health Professions: 2 fractional works · 1.1% of its workEmergency Medical Services: 1 fractional works · 0.5% of its workSpeech and Hearing: 1 fractional works · 0.4% of its workPharmacy: 0 fractional works · 0.3% of its workRadiological and Ultrasound Technology: 0 fractional works · 0.2% of its workSmaller subfields together: 1 fractional works · 0.3% of its workNursing: 1 fractional works · 0.4% of its workNutrition and Dietetics: 1 fractional works · 0.4% of its workSmaller subfields together: 0 fractional works · 0.1% of its workDentistry: 0 fractional works · 0.2% of its workLife Sciences: 39 fractional works · 20.6% of its workBiochemistry, Genetics and Molecular Biology: 22 fractional works · 11.2% of its workMolecular Biology: 12 fractional works · 6.2% of its workGenetics: 4 fractional works · 2.2% of its workCancer Research: 2 fractional works · 1.0% of its workCell Biology: 1 fractional works · 0.6% of its workClinical Biochemistry: 1 fractional works · 0.5% of its workEndocrinology: 0 fractional works · 0.2% of its workSmaller subfields together: 1 fractional works · 0.4% of its workNeuroscience: 15 fractional works · 7.8% of its workCognitive Neuroscience: 5 fractional works · 2.5% of its workSensory Systems: 5 fractional works · 2.5% of its workNeurology: 4 fractional works · 2.0% of its workCellular and Molecular Neuroscience: 1 fractional works · 0.5% of its workEndocrine and Autonomic Systems: 1 fractional works · 0.3% of its workImmunology and Microbiology: 2 fractional works · 0.9% of its workImmunology: 1 fractional works · 0.6% of its workSmaller subfields together: 1 fractional works · 0.3% of its workPharmacology, Toxicology and Pharmaceutics: 1 fractional works · 0.5% of its workPharmacology: 0 fractional works · 0.3% of its workToxicology: 0 fractional works · 0.2% of its workAgricultural and Biological Sciences: 0 fractional works · 0.2% of its workSocial Sciences: 7 fractional works · 3.5% of its workPsychology: 3 fractional works · 1.5% of its workSocial Psychology: 1 fractional works · 0.7% of its workDevelopmental and Educational Psychology: 0 fractional works · 0.3% of its workClinical Psychology: 0 fractional works · 0.2% of its workExperimental and Cognitive Psychology: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.1% of its workSocial Sciences: 1 fractional works · 0.8% of its workSociology and Political Science: 1 fractional works · 0.3% of its workSmaller subfields together: 1 fractional works · 0.5% of its workEconomics, Econometrics and Finance: 1 fractional works · 0.7% of its workEconomics and Econometrics: 1 fractional works · 0.6% of its workSmaller subfields together: 0 fractional works · 0.1% of its workBusiness, Management and Accounting: 1 fractional works · 0.4% of its workArts and Humanities: 0 fractional works · 0.1% of its workPhysical Sciences: 5 fractional works · 2.9% of its workEngineering: 2 fractional works · 1.3% of its workBiomedical Engineering: 2 fractional works · 0.9% of its workSmaller subfields together: 1 fractional works · 0.4% of its workEnvironmental Science: 1 fractional works · 0.6% of its workHealth, Toxicology and Mutagenesis: 0 fractional works · 0.2% of its workSmaller subfields together: 1 fractional works · 0.4% of its workPhysics and Astronomy: 1 fractional works · 0.5% of its workRadiation: 1 fractional works · 0.5% of its workComputer Science: 0 fractional works · 0.3% of its workMathematics: 0 fractional works · 0.2% of its workChemistry: 0 fractional works · 0.0% of its workALL ITS WORKTokyo MedicalCenter191fractional works, 2022-now
Life Sciences21%Physical Sciences3%Health Sciences73%Social Sciences3%

Each ring splits the one inside it: the four domains of science, their fields, their subfields. Size is fractional works in 2022-now. Every slice is a page; the interactive view zooms down to single topics and colours each by how much more of it this institution does than the world.

Its 4 domains and 22 fields, with their numbers
    1. Medicine13369.7%
    2. Health Professions52.7%
    3. Nursing10.4%
    4. Dentistry00.2%
    1. Biochemistry, Genetics and Molecular Biology2211.2%
    2. Neuroscience157.8%
    3. Immunology and Microbiology20.9%
    4. Pharmacology, Toxicology and Pharmaceutics10.5%
    5. Agricultural and Biological Sciences00.2%
    1. Psychology31.5%
    2. Social Sciences10.8%
    3. Economics, Econometrics and Finance10.7%
    4. Business, Management and Accounting10.4%
    5. Arts and Humanities00.1%
    6. Decision Sciences00.0%
    1. Engineering21.3%
    2. Environmental Science10.6%
    3. Physics and Astronomy10.5%
    4. Computer Science00.3%
    5. Mathematics00.2%
    6. Chemistry00.0%
    7. Materials Science00.0%
All of science, and how each field's share has moved since 1950: the Science domain explorer

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: 0.03× its world share, 0 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 2.11× its world share, 22 worksBiochemistry, Geneti…Immunology and Microbiology: 0.89× its world share, 2 worksImmunology and Micro…Neuroscience: 4.81× its world share, 15 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 1.31× its world share, 1 worksPharmacology, Toxico…Chemistry: 0.02× its world share, 0 worksChemistryComputer Science: 0.03× its world share, 0 worksComputer ScienceEngineering: 0.08× its world share, 2 worksEngineeringEnvironmental Science: 0.12× its world share, 1 worksEnvironmental ScienceMathematics: 0.14× its world share, 0 worksMathematicsPhysics and Astronomy: 0.24× its world share, 1 worksPhysics and AstronomyDentistry: 0.50× its world share, 0 worksDentistryHealth Professions: 1.04× its world share, 5 worksHealth ProfessionsMedicine: 3.63× its world share, 134 worksMedicineNursing: 0.83× its world share, 1 worksNursingArts and Humanities: 0.05× its world share, 0 worksArts and HumanitiesBusiness, Management and Accounting: 0.11× its world share, 1 worksBusiness, Management…Decision Sciences: 0.01× its world share, 0 worksDecision SciencesEconomics, Econometrics and Finance: 0.32× its world share, 1 worksEconomics, Econometr…Psychology: 0.48× its world share, 3 worksPsychologySocial Sciences: 0.06× its world share, 2 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Neuroscience, 4.8×. Every wedge is a field page.

All 21 fields, with their numbers
  1. Neuroscience4.81×15 works
  2. Medicine3.63×134 works
  3. Biochemistry, Genetics and Molecular Biology2.11×22 works
  4. Pharmacology, Toxicology and Pharmaceutics1.31×1 works
  5. Health Professions1.04×5 works
  6. Immunology and Microbiology0.89×2 works
  7. Nursing0.83×1 works
  8. Dentistry0.50×0 works
  9. Psychology0.48×3 works
  10. Economics, Econometrics and Finance0.32×1 works
  11. Physics and Astronomy0.24×1 works
  12. Mathematics0.14×0 works
  13. Environmental Science0.12×1 works
  14. Business, Management and Accounting0.11×1 works
  15. Engineering0.08×2 works
  16. Social Sciences0.06×2 works
  17. Arts and Humanities0.05×0 works
  18. Agricultural and Biological Sciences0.03×0 works
  19. Computer Science0.03×0 works
  20. Chemistry0.02×0 works
  21. Decision Sciences0.01×0 works

Who are the top researchers at Tokyo Medical Center?

Ranked on the quality score, Yoshitaka Oyamada, Kaoru Fujinami and Yu Fujinami‐Yokokawa lead among researchers whose main affiliation is Tokyo Medical Center.

  1. 1 Yoshitaka Oyamada Japan · #858,773 worldwide 3.3k citations · 140 works
  2. 2 Kaoru Fujinami Japan · #1,176,637 worldwide 4.6k citations · 210 works
  3. 3 Yu Fujinami‐Yokokawa Japan · #1,269,848 worldwide 878 citations · 53 works
  4. 4 Takahiro Yano Japan · #1,391,705 worldwide 6.9k citations · 195 works
  5. 5 Yoh Isobe Japan · #1,596,466 worldwide 2.4k citations · 63 works
  6. 6 Daisuke Iejima Japan · #1,688,859 worldwide 910 citations · 32 works
  7. 7 Kiyomitsu Nara Japan · #1,872,227 worldwide 1.8k citations · 48 works
  8. 8 Akiko Suga Japan · #1,893,824 worldwide 1.1k citations · 38 works
  9. 9 Takashi Ishizaki Japan · #1,982,247 worldwide 12k citations · 381 works
  10. 10 Yang Pan Japan · #2,054,153 worldwide 665 citations · 33 works
All ranked researchers at Tokyo Medical Center

What are the most cited papers from Tokyo Medical Center?

The most cited paper from Tokyo Medical Center is "International Scoring System for Evaluating Prognosis in Myelodysplastic Syndromes" (Peter L. Greenberg, Christopher Cox, Michelle M. LeBeau et al., 1997), with 4,480 citations. Next come "Mapping the human genetic architecture of COVID-19" (1,130) and "Narrow‐band imaging (NBI) magnifying endoscopic classification of colorectal tumors proposed by the Japan NBI Expert Team" (621).

Most cited papers
#PaperReleasedCitations
1 International Scoring System for Evaluating Prognosis in Myelodysplastic Syndromes Peter L. Greenberg, Christopher Cox, Michelle M. LeBeau et al. · Blood Open access 15 Mar 1997 4,480
2 Mapping the human genetic architecture of COVID-19 COVID-19 Host Genetics Initiative et al. · Nature Open access3,896 authors 8 Jul 2021 1,130
3 Narrow‐band imaging (NBI) magnifying endoscopic classification of colorectal tumors proposed by the Japan NBI Expert Team Yasushi Sano et al. · Digestive Endoscopy Open access 29 Feb 2016 621
4 Next-generation Allergic Rhinitis and Its Impact on Asthma (ARIA) guidelines for allergic rhinitis based on Grading of Recommendations Assessment, Development and Evaluation (GRADE) and real-world evidence Jean Bousquet et al. · Journal of Allergy and Clinical Immunology Open access102 authors 15 Oct 2019 615
5 Expert specification of the ACMG/AMP variant interpretation guidelines for genetic hearing loss Andrea M. Oza et al. · Human Mutation Open access 11 Oct 2018 530
All 59 most cited papers, with filters and sorting

Which keywords describe research at Tokyo Medical Center?

By fractional works in 2022-now, weighted toward what it does more of than the world: Epidemiology, Hearing Loss, Macular Degeneration, Clinical Practice Guidelines, Treatment, Chemotherapy, Inflammation and Diagnosis.

▲ 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-now 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. Epidemiology21▲ 2.8×78 topics
  2. Inflammation12▲ 3.0×53 topics
  3. Treatment11▲ 4.6×33 topics
  4. Hearing Loss10▲ 44×4 topics
  5. Quality of Life9▲ 3.4×29 topics
  6. Macular Degeneration9▲ 38×3 topics
  7. Chemotherapy9▲ 6.4×22 topics
  8. Clinical Practice Guidelines9▲ 8.3×14 topics
  9. Diagnosis8▲ 4.7×29 topics
  10. Risk Factors7▲ 3.2×21 topics
  11. Management6▲ 3.9×26 topics
  12. Surgical Management6▲ 7.7×17 topics
  13. Genetic Mutations6▲ 6.7×21 topics
  14. Neurological Disorders6▲ 5.1×9 topics
  15. Complications6▲ 5.8×14 topics
  16. Prognostic Factors6▲ 6.6×14 topics
  17. Neural Plasticity5▲ 15×3 topics
  18. Gene Therapy5▲ 14×3 topics
  19. Neuroimaging5▲ 9.8×10 topics
  20. Health-related Quality of Life5▲ 11×5 topics
  21. Retinal Stem Cells5▲ 114×1 topic
  22. Retinitis Pigmentosa5▲ 114×1 topic
  23. Cochlear Neuropathy5▲ 81×1 topic
  24. Tinnitus5▲ 81×1 topic
  25. Heart Failure4▲ 5.1×12 topics
  26. Survival Analysis4▲ 8.3×5 topics
  27. Vascular Endothelial Growth Factor4▲ 26×3 topics
  28. Radiotherapy4▲ 5.5×13 topics
  29. Diabetic Retinopathy4▲ 21×2 topics
  30. Neoadjuvant Therapy4▲ 8.9×5 topics
  31. Glaucoma4▲ 13×4 topics
  32. Language Development4▲ 15×3 topics
  33. Cognition4▲ 13×3 topics
  34. Speech Perception4▲ 22×2 topics
  35. Autoantibodies3▲ 7.6×8 topics
  36. Cognitive Decline3▲ 15×2 topics
  37. Age-related Hearing Loss3▲ 48×1 topic
  38. Choroidal Thickness3▲ 32×1 topic
  39. Cochlear Implants3▲ 48×1 topic
  40. Intravitreal Injection3▲ 24×2 topics

Which research topics does Tokyo Medical Center publish most on?

By volume in 2022-now: Retinal Development and Disorders, Hearing, Cochlea, Tinnitus, Genetics, Vestibular and auditory disorders and Retinal Diseases and Treatments.

Retinal Development and Disorders: 5 fractional worksHearing, Cochlea, Tinnitus, Genetics: 5 fractional worksVestibular and auditory …3Vestibular and auditory disorders: 3 fractional worksRetinal Diseases and Tre…3Retinal Diseases and Treatments: 3 fractional worksHearing Loss and Rehabilitation: 3 fractional worksGastric Cancer Management and Outcomes: 2 fractional worksGlaucoma and retinal dis…2Glaucoma and retinal disorders: 2 fractional worksTracheal and airway disorders: 2 fractional worksEsophageal and GI Pathology: 1 fractional worksPancreatic and Hepatic Oncology Research: 1 fractional works
Molecular BiologySensory SystemsNeurologyOphthalmology4 others

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

  1. 1 Retinal Development and Disorders Molecular Biology 5 works
  2. 2 Hearing, Cochlea, Tinnitus, Genetics Sensory Systems 5 works
  3. 3 Vestibular and auditory disorders Neurology 3 works
  4. 4 Retinal Diseases and Treatments Ophthalmology 3 works
  5. 5 Hearing Loss and Rehabilitation Cognitive Neuroscience 3 works
  6. 6 Gastric Cancer Management and Outcomes Pulmonary and Respiratory Medicine 2 works
  7. 7 Glaucoma and retinal disorders Ophthalmology 2 works
  8. 8 Tracheal and airway disorders Pulmonary and Respiratory Medicine 2 works
  9. 9 Esophageal and GI Pathology Surgery 1 works
  10. 10 Pancreatic and Hepatic Oncology Research Oncology 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 available43.2%not open56.8%

World: 40% of research is openly available.

with international co-authors10.3%domestic only89.7%

World: 18% is written across borders.

How has Tokyo Medical Center's research output changed?

Output in 2022-2025 was 8% lower than in 2018-2021.

still counting1990200020102020
grewheldshrank

The same series as a ribbon: one cell per year, darker for more. The line above answers how much; this answers when.

Its share of all research

Growing output can still be a shrinking share: all of science grows. This is Tokyo Medical Center as a percentage of every work published that year, 0.00085% in 2024.

still counting0.0020%0.0040%Tokyo Medical Center0.00078% in 202519801990200020102020

Fractional works of Tokyo Medical Center over all fractional works that year. How the balance of science has shifted.

How much of it reaches the world top 10%

Year by year, against all institutions in the same year.

still counting5%10%15%all institutions10.0% in 2025Tokyo Medical Center7.5% in 2025200020102020

Of each year's output, the share that reached the world's 10% most cited for its field and year. Peak 10.9% in 1993.

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Tokyo Medical Center on Science Explorer

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