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Hospital / health system · Zama · Japan

National Sagamihara Hospital

In research, National Sagamihara Hospital stands highest in Medicine (#1,390 of 10,443 worldwide) and Health Sciences (#1,977 of 11,982 worldwide), 2022–2025. Relative to its size it is most specialised in Immunology and Allergy — Immunology and Allergy is 172.1× its share of world research.

hosp.go.jp/~sagamiROR OpenAlex
World rank, 2022–2025
#8,690
of 28,054 · #10,575 all time
Rank in Japan
#221
of 1,070
Research works
1.5k
▼ 18% vs 2013–17
Citations
22k
14.0 per fractional work
Top-10% rate
13.2%
record average 16.5%
Open access
46%
world 28%

What is National Sagamihara Hospital known for in research?

The fields where it stands highest, 2022–2025, ranked among every institution above the floor in each field.

FieldWorld rankWhere that sitsTop-10% rateWorksAll time
MedicineField #1,390 of 10,443 14.6%140 #2174
Health SciencesDomain #1,977 of 11,982 14.9%148 #2939

Each strip is that field’s whole ranked pool, with the notch where National Sagamihara 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).

What does National Sagamihara Hospital specialise in?

Where its research is concentrated relative to its size: Immunology and Allergy takes 172.1× the share of its output that it takes of world research.

  1. Immunology and AllergySubfield · 26.1 works172×
← 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: 0.54× its world share, 5 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.76× its world share, 8 worksBiochemistry, Geneti…Immunology and Microbiology: 3.19× its world share, 6 worksImmunology and Micro…Neuroscience: 0.50× its world share, 2 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 2.29× its world share, 2 worksPharmacology, Toxico…Chemistry: 0.59× its world share, 2 worksChemistryComputer Science: 0.05× its world share, 1 worksComputer ScienceEarth and Planetary Sciences: 0.22× its world share, 1 worksEarth and Planetary …Engineering: 0.20× its world share, 6 worksEngineeringEnvironmental Science: 0.24× its world share, 2 worksEnvironmental ScienceMaterials Science: 0.07× its world share, 0 worksMaterials ScienceMathematics: 0.06× its world share, 0 worksMathematicsPhysics and Astronomy: 1.57× its world share, 7 worksPhysics and AstronomyDentistry: 0.80× its world share, 1 worksDentistryHealth Professions: 1.05× its world share, 5 worksHealth ProfessionsMedicine: 3.78× its world share, 140 worksMedicineNursing: 2.35× its world share, 2 worksNursingArts and Humanities: 0.01× its world share, 0 worksArts and HumanitiesBusiness, Management and Accounting: 0.02× its world share, 0 worksBusiness, Management…Decision Sciences: 0.01× its world share, 0 worksDecision SciencesEconomics, Econometrics and Finance: 0.30× its world share, 1 worksEconomics, Econometr…Psychology: 0.11× its world share, 1 worksPsychologySocial Sciences: 0.07× 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.

Who are the top researchers at National Sagamihara Hospital?

Ranked on the composite score, Motohiro Ebisawa, Kazuko Hasegawa and Shigeto Tohma lead among researchers whose main affiliation is National Sagamihara Hospital.

  1. 1 Motohiro Ebisawa Japan · #69,621 worldwide 351 citations · 111 works
  2. 2 Kazuko Hasegawa Japan · #185,765 worldwide 115 citations · 39 works
  3. 3 Shigeto Tohma Japan · #277,909 worldwide 112 citations · 44 works
  4. 4 Kohki Akiyama Japan · #286,885 worldwide 141 citations · 44 works
  5. 5 Sakura Sato Japan · #331,895 worldwide 59 citations · 43 works
  6. 6 Haruhisa Mita Japan · #401,168 worldwide 44 citations · 28 works
  7. 7 Tetsuo Yamada Japan · #479,393 worldwide 53 citations · 20 works
  8. 8 Naoshi Fukui Japan · #481,431 worldwide 55 citations · 19 works
  9. 9 Yasuaki Sagara Japan · #498,925 worldwide 43 citations · 33 works
  10. 10 Hiroshi Tachimoto Japan · #542,343 worldwide 19 citations · 17 works
All ranked researchers at National Sagamihara Hospital

Which keywords describe research at National Sagamihara Hospital?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Epidemiology, Diagnosis, Management, Children, Prevalence, Anaphylaxis, Food Allergy and Inflammation.

▲ 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. Epidemiology55▲ 7.3×66 topics
  2. Diagnosis29▲ 16×21 topics
  3. Management28▲ 18×13 topics
  4. Children24▲ 54×6 topics
  5. Inflammation19▲ 4.8×47 topics
  6. Prevalence19▲ 25×5 topics
  7. Anaphylaxis18▲ 388×1 topic
  8. Food Allergy18▲ 388×1 topic
  9. Treatment16▲ 6.8×23 topics
  10. Quality of Life15▲ 5.6×24 topics
  11. Asthma15▲ 80×3 topics
  12. Climate Change12▲ 2.2×13 topics
  13. Allergen-specific Immunotherapy8▲ 142×1 topic
  14. Pollen Allergy8▲ 142×1 topic
  15. Genetics8▲ 6.0×9 topics
  16. Guidelines7▲ 7.8×8 topics
  17. Immunology6▲ 31×2 topics
  18. Allergic Diseases6▲ 56×1 topic
  19. Eosinophils6▲ 56×1 topic
  20. Adults6▲ 49×2 topics
  21. Autoantibodies6▲ 12×7 topics
  22. Eosinophilic Esophagitis5▲ 104×1 topic
  23. Histologic Remission5▲ 104×1 topic
  24. Cytokines5▲ 8.9×4 topics
  25. Risk Assessment5▲ 3.6×6 topics
  26. Rehabilitation4▲ 5.9×8 topics
  27. Contact Allergy4▲ 122×1 topic
  28. Skin Sensitization4▲ 122×1 topic
  29. Complications4▲ 4.3×15 topics
  30. Cardiovascular Risk4▲ 6.5×6 topics
  31. Genetic Mutations4▲ 4.3×9 topics
  32. Surgical Management4▲ 4.5×14 topics
  33. Rheumatoid Arthritis4▲ 19×2 topics
  34. Prognosis3▲ 5.4×8 topics
  35. Biological Therapy3▲ 31×2 topics
  36. Chronic Diseases3▲ 6.3×5 topics
  37. Disease-Modifying Antirheumatic Drugs3▲ 33×1 topic
  38. Joint Inflammation3▲ 33×1 topic
  39. Functional Foods3▲ 17×2 topics
  40. Stroke3▲ 8.0×6 topics

Which research topics does National Sagamihara Hospital publish most on?

By volume in 2022–2025: Food Allergy and Anaphylaxis Research, Allergic Rhinitis and Sensitization, Asthma and respiratory diseases and Eosinophilic Esophagitis.

Food Allergy and Anaphyl…18Food Allergy and Anaphylaxis Research: 18 fractional worksAllergic Rhinitis and Se…8Allergic Rhinitis and Sensitization: 8 fractional worksAsthma and respiratory d…6Asthma and respiratory diseases: 6 fractional worksEosinophilic Esophagitis: 5 fractional worksContact Dermatitis and Allergies: 4 fractional worksRheumatoid Arthritis Res…3Rheumatoid Arthritis Research and Therapies: 3 fractional worksConsumer Attitudes and Food Labeling: 3 fractional worksOccupational exposure and asthma: 2 fractional worksRespiratory and Cough-Related Research: 2 fractional worksVasculitis and related conditions: 2 fractional works
Immunology and AllergyPhysiologySurgeryDermatology3 others

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

  1. 1 Food Allergy and Anaphylaxis Research Immunology and Allergy 18 works
  2. 2 Allergic Rhinitis and Sensitization Immunology and Allergy 8 works
  3. 3 Asthma and respiratory diseases Physiology 6 works
  4. 4 Eosinophilic Esophagitis Surgery 5 works
  5. 5 Contact Dermatitis and Allergies Dermatology 4 works
  6. 6 Rheumatoid Arthritis Research and Therapies Rheumatology 3 works
  7. 7 Consumer Attitudes and Food Labeling Public Health, Environmental and Occupational Health 3 works
  8. 8 Occupational exposure and asthma Public Health, Environmental and Occupational Health 2 works
  9. 9 Respiratory and Cough-Related Research Pulmonary and Respiratory Medicine 2 works
  10. 10 Vasculitis and related conditions Pulmonary and Respiratory Medicine 2 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 available45.7%not open54.3%

World: 28% of research is openly available.

with international co-authors10.4%domestic only89.6%

World: 19% is written across borders.

How has National Sagamihara Hospital's research output changed?

Output in 2018–2022 was 18% lower 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 Zama

All research institutions in Zama

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.