Science Explorer Back to mapMap
Discussion
Hospital / health system · Yokohama · Japan

keiyu Hospital

In research, keiyu Hospital stands highest in Medicine (#8,509 of 14,558 worldwide) and Health Sciences (#10,192 of 16,688 worldwide), over all time.

keiyu-hospital.comROR OpenAlex
World rank, all time
#28,306
of 34,923
Rank in Japan
#1,171
of 1,923
Research works
267
▼ 15% vs 2018-21
Citations
2.7k
10.2 per fractional work
Top-10% rate
8.8%
all institutions 10.0%
vs its own fields
0.82×
1.00× is exactly expected
Open access
61%
world 40%
International
11%
world 18%
keiyu Hospital

What is keiyu 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 #8,509 of 14,558 6.2%214
Health SciencesDomain #10,192 of 16,688 6.1%220

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

Which fields of science does keiyu Hospital work in?

In 2022-now, 77% of research at keiyu Hospital is in Health Sciences, 8% in Physical Sciences. Its largest fields are Medicine (74%), Engineering (5%), Social Sciences (4%). It does 2.9× the world's share of Health Sciences.

Health Sciences: 45 fractional works · 77.0% of its workMedicine: 43 fractional works · 73.6% of its workSurgery: 10 fractional works · 17.6% of its workPulmonary and Respiratory Medicine: 5 fractional works · 7.9% of its workOncology: 3 fractional works · 5.8% of its workEpidemiology: 3 fractional works · 5.3% of its workOphthalmology: 2 fractional works · 3.6% of its workPathology and Forensic Medicine: 2 fractional works · 3.6% of its workObstetrics and Gynecology: 2 fractional works · 2.7% of its workCardiology and Cardiovascular Medicine: 2 fractional works · 2.6% of its workRadiology, Nuclear Medicine and Imaging: 1 fractional works · 2.3% of its workEndocrinology, Diabetes and Metabolism: 1 fractional works · 2.2% of its workRheumatology: 1 fractional works · 2.2% of its workPublic Health, Environmental and Occupational Health: 1 fractional works · 2.1% of its workGastroenterology: 1 fractional works · 1.9% of its workDermatology: 1 fractional works · 1.4% of its workPediatrics, Perinatology and Child Health: 1 fractional works · 1.3% of its workGenetics: 1 fractional works · 1.1% of its workNeurology: 1 fractional works · 1.1% of its workPharmacology: 1 fractional works · 1.1% of its workNephrology: 1 fractional works · 1.0% of its workAnesthesiology and Pain Medicine: 1 fractional works · 0.9% of its workImmunology and Allergy: 0 fractional works · 0.9% of its workInfectious Diseases: 0 fractional works · 0.8% of its workPhysiology: 0 fractional works · 0.7% of its workHealth Informatics: 0 fractional works · 0.7% of its workPsychiatry and Mental health: 0 fractional works · 0.6% of its workHematology: 0 fractional works · 0.5% of its workRehabilitation: 0 fractional works · 0.5% of its workCritical Care and Intensive Care Medicine: 0 fractional works · 0.5% of its workEmergency Medicine: 0 fractional works · 0.3% of its workGeriatrics and Gerontology: 0 fractional works · 0.2% of its workHealth Professions: 2 fractional works · 2.6% of its workGeneral Health Professions: 1 fractional works · 1.4% of its workPhysical Therapy, Sports Therapy and Rehabilitation: 0 fractional works · 0.7% of its workOccupational Therapy: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.3% of its workNursing: 0 fractional works · 0.4% of its workNutrition and Dietetics: 0 fractional works · 0.4% of its workDentistry: 0 fractional works · 0.4% of its workOral Surgery: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.1% of its workPhysical Sciences: 5 fractional works · 7.9% of its workEngineering: 3 fractional works · 5.4% of its workIndustrial and Manufacturing Engineering: 1 fractional works · 1.7% of its workBiomedical Engineering: 1 fractional works · 1.4% of its workElectrical and Electronic Engineering: 1 fractional works · 1.1% of its workBuilding and Construction: 0 fractional works · 0.6% of its workMedia Technology: 0 fractional works · 0.6% of its workComputer Science: 1 fractional works · 1.8% of its workInformation Systems: 1 fractional works · 1.1% of its workArtificial Intelligence: 0 fractional works · 0.6% of its workEnvironmental Science: 0 fractional works · 0.8% of its workEcology: 0 fractional works · 0.8% of its workLife Sciences: 5 fractional works · 7.9% of its workBiochemistry, Genetics and Molecular Biology: 2 fractional works · 3.6% of its workGenetics: 1 fractional works · 2.0% of its workMolecular Biology: 1 fractional works · 0.9% of its workCancer Research: 0 fractional works · 0.4% of its workSmaller subfields together: 0 fractional works · 0.3% of its workNeuroscience: 2 fractional works · 2.9% of its workCognitive Neuroscience: 1 fractional works · 1.5% of its workSensory Systems: 1 fractional works · 0.9% of its workNeurology: 0 fractional works · 0.5% of its workSmaller subfields together: 0 fractional works · 0.1% of its workImmunology and Microbiology: 0 fractional works · 0.9% of its workImmunology: 0 fractional works · 0.5% of its workSmaller subfields together: 0 fractional works · 0.4% of its workPharmacology, Toxicology and Pharmaceutics: 0 fractional works · 0.4% of its workPharmacology: 0 fractional works · 0.4% of its workAgricultural and Biological Sciences: 0 fractional works · 0.1% of its workSocial Sciences: 4 fractional works · 7.1% of its workSocial Sciences: 2 fractional works · 4.0% of its workEducation: 1 fractional works · 2.3% of its workPolitical Science and International Relations: 1 fractional works · 1.1% of its workSafety Research: 0 fractional works · 0.6% of its workBusiness, Management and Accounting: 1 fractional works · 1.1% of its workMarketing: 0 fractional works · 0.6% of its workOrganizational Behavior and Human Resource Management: 0 fractional works · 0.6% of its workPsychology: 0 fractional works · 0.8% of its workClinical Psychology: 0 fractional works · 0.4% of its workDevelopmental and Educational Psychology: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.0% of its workDecision Sciences: 0 fractional works · 0.6% of its workManagement Science and Operations Research: 0 fractional works · 0.6% of its workSmaller subfields together: 0 fractional works · 0.0% of its workArts and Humanities: 0 fractional works · 0.6% of its workReligious studies: 0 fractional works · 0.6% of its workEconomics, Econometrics and Finance: 0 fractional works · 0.1% of its workALL ITS WORKkeiyu Hospital58fractional works, 2022-now
Life Sciences8%Physical Sciences8%Health Sciences77%Social Sciences7%

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 18 fields, with their numbers
    1. Medicine4373.6%
    2. Health Professions22.6%
    3. Nursing00.4%
    4. Dentistry00.4%
    1. Engineering35.4%
    2. Computer Science11.8%
    3. Environmental Science00.8%
    1. Biochemistry, Genetics and Molecular Biology23.6%
    2. Neuroscience22.9%
    3. Immunology and Microbiology00.9%
    4. Pharmacology, Toxicology and Pharmaceutics00.4%
    5. Agricultural and Biological Sciences00.1%
    1. Social Sciences24.0%
    2. Business, Management and Accounting11.1%
    3. Psychology00.8%
    4. Decision Sciences00.6%
    5. Arts and Humanities00.6%
    6. Economics, Econometrics and Finance00.1%
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: 0.01× its world share, 0 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.67× its world share, 2 worksBiochemistry, Geneti…Immunology and Microbiology: 0.86× its world share, 0 worksImmunology and Micro…Neuroscience: 1.82× its world share, 2 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 1.21× its world share, 0 worksPharmacology, Toxico…Computer Science: 0.23× its world share, 1 worksComputer ScienceEngineering: 0.36× its world share, 3 worksEngineeringEnvironmental Science: 0.15× its world share, 0 worksEnvironmental ScienceDentistry: 0.78× its world share, 0 worksDentistryHealth Professions: 0.98× its world share, 2 worksHealth ProfessionsMedicine: 3.83× its world share, 43 worksMedicineNursing: 0.92× its world share, 0 worksNursingArts and Humanities: 0.20× its world share, 0 worksArts and HumanitiesBusiness, Management and Accounting: 0.35× its world share, 1 worksBusiness, Management…Decision Sciences: 0.63× its world share, 0 worksDecision SciencesEconomics, Econometrics and Finance: 0.04× its world share, 0 worksEconomics, Econometr…Psychology: 0.25× its world share, 0 worksPsychologySocial Sciences: 0.32× its world share, 2 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Medicine, 3.8×. Every wedge is a field page.

All 18 fields, with their numbers
  1. Medicine3.83×43 works
  2. Neuroscience1.82×2 works
  3. Pharmacology, Toxicology and Pharmaceutics1.21×0 works
  4. Health Professions0.98×2 works
  5. Nursing0.92×0 works
  6. Immunology and Microbiology0.86×0 works
  7. Dentistry0.78×0 works
  8. Biochemistry, Genetics and Molecular Biology0.67×2 works
  9. Decision Sciences0.63×0 works
  10. Engineering0.36×3 works
  11. Business, Management and Accounting0.35×1 works
  12. Social Sciences0.32×2 works
  13. Psychology0.25×0 works
  14. Computer Science0.23×1 works
  15. Arts and Humanities0.20×0 works
  16. Environmental Science0.15×0 works
  17. Economics, Econometrics and Finance0.04×0 works
  18. Agricultural and Biological Sciences0.01×0 works

Who are the top researchers at keiyu Hospital?

Ranked on the quality score, Norio Sugaya, Michihiro Kamata and Kiyomitsu Miyachi lead among researchers whose main affiliation is keiyu Hospital.

  1. 1 Norio Sugaya Japan · #738,557 worldwide 8k citations · 133 works
  2. 2 Michihiro Kamata Japan · #1,924,335 worldwide 995 citations · 39 works
  3. 3 Kiyomitsu Miyachi Japan · #3,794,308 worldwide 2.2k citations · 69 works
  4. 4 Saburo YAMAOKA Japan · #4,434,054 worldwide 13 citations · 17 works
  5. 5 Michiko Inukai Japan · #4,447,401 worldwide 6 citations · 28 works
  6. 6 Sakae Sakurai Japan · #4,590,517 worldwide 75 citations · 17 works
  7. 7 Michio Sakata Japan · #5,321,571 worldwide 289 citations · 40 works
  8. 8 Nobutaka Yasui Japan · #5,432,153 worldwide 334 citations · 38 works
  9. 9 Akihiko Shimada Japan · #5,587,793 worldwide 1.3k citations · 111 works
  10. 10 Hidetoshi Matsumoto Japan · #5,695,182 worldwide 321 citations · 59 works
All ranked researchers at keiyu Hospital

What are the most cited papers from keiyu Hospital?

The most cited paper from keiyu Hospital is "Mapping the human genetic architecture of COVID-19" (COVID-19 Host Genetics Initiative et al., 2021), with 1,130 citations. Next come "In vitro and in vivo characterization of new swine-origin H1N1 influenza viruses" (1,082) and "Baloxavir Marboxil for Uncomplicated Influenza in Adults and Adolescents" (952).

Most cited papers
#PaperReleasedCitations
1 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
2 In vitro and in vivo characterization of new swine-origin H1N1 influenza viruses Yasushi Itoh et al. · Nature Open access 13 Jul 2009 1,082
3 Baloxavir Marboxil for Uncomplicated Influenza in Adults and Adolescents Frederick G. Hayden, Norio Sugaya, Nobuo Hirotsu et al. · New England Journal of Medicine Open access 5 Sep 2018 952
4 Resistant influenza A viruses in children treated with oseltamivir: descriptive study Maki Kiso, Keiko Mitamura, Yuko Sakai‐Tagawa et al. · The Lancet Aug 2004 796
5 Randomized, double-blind, placebo-controlled clinical trial of hepatocyte growth factor plasmid for critical limb ischemia Hiroshi Shigematsu, Kaoru Yasuda, Tomohiro Iwai et al. · Gene Therapy 15 Apr 2010 215
All 60 most cited papers, with filters and sorting

Which keywords describe research at keiyu Hospital?

By fractional works in 2022-now, weighted toward what it does more of than the world: Epidemiology, Chemotherapy, Breast Cancer, Quality of Life, Therapeutic Targets, Complications, Molecular Profiling and Health-related Quality of Life.

▲ 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. Epidemiology8▲ 3.3×42 topics
  2. Quality of Life3▲ 3.7×15 topics
  3. Chemotherapy3▲ 6.8×9 topics
  4. Inflammation2▲ 2.0×23 topics
  5. Treatment2▲ 3.4×17 topics
  6. Breast Cancer2▲ 16×6 topics
  7. Big Data2▲ 3.7×5 topics
  8. Complications2▲ 6.8×7 topics
  9. Diagnosis2▲ 3.7×15 topics
  10. Therapeutic Targets2▲ 22×2 topics
  11. Health-related Quality of Life2▲ 13×3 topics
  12. Molecular Profiling2▲ 32×3 topics
  13. Patient Satisfaction2▲ 9.3×5 topics
  14. Chronic Pain2▲ 12×5 topics
  15. Degenerative Disc Disease2▲ 29×2 topics
  16. Immunohistochemistry2▲ 39×2 topics
  17. Prognostic Markers2▲ 25×3 topics
  18. Clinical Practice Guidelines2▲ 4.7×7 topics
  19. Gastric Cancer2▲ 23×3 topics
  20. Survival Analysis2▲ 9.6×5 topics
  21. Clinical Outcomes1▲ 11×3 topics
  22. Immunosuppressive Therapy1▲ 13×5 topics
  23. Pain Management1▲ 10×5 topics
  24. Guidelines1▲ 4.9×7 topics
  25. Lung Tumors1▲ 130×1 topic
  26. Metastatic Carcinomas1▲ 130×1 topic
  27. Pedagogy1▲ 4.5×2 topics
  28. Prognostic Factors1▲ 5.3×6 topics
  29. Molecular Characterization1▲ 11×4 topics
  30. Pathophysiology1▲ 7.0×7 topics
  31. Postoperative Pain1▲ 22×2 topics
  32. Rituximab1▲ 14×4 topics
  33. Autoantibodies1▲ 8.1×5 topics
  34. Chemoradiation1▲ 29×2 topics
  35. Endoscopic Resection1▲ 20×2 topics
  36. Hearing Loss1▲ 16×4 topics
  37. Interstitial Lung Disease1▲ 29×2 topics
  38. Low Back Pain1▲ 11×2 topics
  39. Fibrosis1▲ 9.1×5 topics
  40. Student Competencies1▲ 26×1 topic

Which research topics does keiyu Hospital publish most on?

By volume in 2022-now: Metastasis and carcinoma case studies, Education, Innovation and Language Studies, Cervical and Thoracic Myelopathy and Ocular Diseases and Behçet’s Syndrome.

Metastasis and carcinoma…1Metastasis and carcinoma case studies: 1 fractional worksEducation, Innovation an…1Education, Innovation and Language Studies: 1 fractional worksCervical and Thoracic Myelopathy: 1 fractional worksOcular Diseases and Behçet’s Syndrome: 1 fractional worksUterine Myomas and Treatments: 1 fractional worksDigital Transformation in Industry: 1 fractional worksColorectal and Anal Carcinomas: 1 fractional worksChronic Lymphocytic Leuk…1Chronic Lymphocytic Leukemia Research: 1 fractional worksSpine and Intervertebral Disc Pathology: 1 fractional worksGastric Cancer Management and Outcomes: 1 fractional works
Pulmonary and Respiratory MedicineEducationSurgeryOphthalmology4 others

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

  1. 1 Metastasis and carcinoma case studies Pulmonary and Respiratory Medicine 1 works
  2. 2 Education, Innovation and Language Studies Education 1 works
  3. 3 Cervical and Thoracic Myelopathy Surgery 1 works
  4. 4 Ocular Diseases and Behçet’s Syndrome Ophthalmology 1 works
  5. 5 Uterine Myomas and Treatments Obstetrics and Gynecology 1 works
  6. 6 Digital Transformation in Industry Industrial and Manufacturing Engineering 1 works
  7. 7 Colorectal and Anal Carcinomas Surgery 1 works
  8. 8 Chronic Lymphocytic Leukemia Research Genetics 1 works
  9. 9 Spine and Intervertebral Disc Pathology Pathology and Forensic Medicine 1 works
  10. 10 Gastric Cancer Management and Outcomes Pulmonary and Respiratory Medicine 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 available60.6%not open39.4%

World: 40% of research is openly available.

with international co-authors10.9%domestic only89.1%

World: 18% is written across borders.

How has keiyu Hospital's research output changed?

Output in 2022-2025 was 15% 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 keiyu Hospital as a percentage of every work published that year, 0.00018% in 2024.

still counting0.00050%0.0010%0.0015%keiyu Hospital0.00034% in 202519801990200020102020

Fractional works of keiyu Hospital over all fractional works that year. How the balance of science has shifted.

Other research institutions in Yokohama

All research institutions in Yokohama

Share keiyu Hospital's ranking

keiyu Hospital on Science Explorer

A card with keiyu Hospital's standing and the fields it leads in, for a post or a slide. A link to this page previews as the same card.

Download the card

1200 × 630 PNG, sized for social posts, drawn from the latest snapshot.

Badges for a website1Each links back here and updates with every snapshot

Research measures only: rankings here say nothing about teaching, admissions or student experience. Comparable institutions and collaboration partners have tabs of their own, above.

Discussion

Ask a question or share a note about keiyu Hospital. Posts are plain text and can be reported.