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Hospital / health system · Hitachi · Japan

Hitachi General Hospital

In research, Hitachi General Hospital stands highest in Medicine (#9,212 of 10,443 worldwide) and Health Sciences (#10,774 of 11,982 worldwide), 2022–2025.

hitachi.co.jp/hospital/hitachiROR OpenAlex
World rank, 2022–2025
#25,713
of 28,054 · #34,665 all time
Rank in Japan
#914
of 1,070
Research works
546
▲ 26% vs 2013–17
Citations
4.6k
8.4 per fractional work
Top-10% rate
5.2%
record average 16.5%
Open access
55%
world 28%

What is Hitachi General 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 #9,212 of 10,443 4.9%81 #13036
Health SciencesDomain #10,774 of 11,982 5.0%86 #15781

Each strip is that field’s whole ranked pool, with the notch where Hitachi General 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: 0.04× its world share, 0 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.56× its world share, 3 worksBiochemistry, Geneti…Immunology and Microbiology: 1.03× its world share, 1 worksImmunology and Micro…Neuroscience: 0.68× its world share, 1 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 1.07× its world share, 0 worksPharmacology, Toxico…Chemistry: 0.06× its world share, 0 worksChemistryComputer Science: 0.01× its world share, 0 worksComputer ScienceEngineering: 0.05× its world share, 1 worksEngineeringEnvironmental Science: 0.78× its world share, 4 worksEnvironmental ScienceMaterials Science: 0.01× its world share, 0 worksMaterials SciencePhysics and Astronomy: 0.34× its world share, 1 worksPhysics and AstronomyDentistry: 0.39× its world share, 0 worksDentistryHealth Professions: 1.04× its world share, 3 worksHealth ProfessionsMedicine: 4.26× its world share, 81 worksMedicineNursing: 5.04× its world share, 2 worksNursingEconomics, Econometrics and Finance: 0.08× its world share, 0 worksEconomics, Econometr…Psychology: 0.23× its world share, 1 worksPsychologySocial Sciences: 0.04× its world share, 0 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Nursing, 5.0×. Every wedge is a field page.

Who are the top researchers at Hitachi General Hospital?

Ranked on the composite score, Yasunori Watanabe, Hideo Terashima and Kensuke Nakamura lead among researchers whose main affiliation is Hitachi General Hospital.

  1. 1 Yasunori Watanabe Japan · #243,858 worldwide 84 citations · 33 works
  2. 2 Hideo Terashima Japan · #655,066 worldwide 40 citations · 28 works
  3. 3 Kensuke Nakamura Japan · #1,071,713 worldwide 54 citations · 40 works
  4. 4 Toshiro Kamoshida Japan · #1,271,547 worldwide 14 citations · 21 works
  5. 5 Masakazu Tsutsumi Japan · #1,272,238 worldwide 25 citations · 53 works
  6. 6 Yoshiko Saito Japan · #1,385,192 worldwide 21 citations · 31 works
  7. 7 Yūji Takahashi Japan · #1,514,314 worldwide 10 citations · 27 works
All ranked researchers at Hitachi General Hospital

Which keywords describe research at Hitachi General Hospital?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Prognostic Factors, Treatment, Epidemiology, Critical Care, Surgical Management, Diagnosis, Sedation and Echocardiography.

▲ 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. Epidemiology9▲ 2.4×32 topics
  2. Treatment6▲ 5.2×19 topics
  3. Prognostic Factors6▲ 13×12 topics
  4. Inflammation5▲ 2.5×18 topics
  5. Diagnosis5▲ 5.4×14 topics
  6. Critical Care5▲ 21×7 topics
  7. Surgical Management4▲ 11×11 topics
  8. Sedation4▲ 47×2 topics
  9. Chemotherapy4▲ 5.7×14 topics
  10. Immunotherapy4▲ 5.2×12 topics
  11. Echocardiography4▲ 13×4 topics
  12. Management3▲ 4.4×12 topics
  13. Mortality3▲ 5.8×9 topics
  14. Biomarkers3▲ 4.7×7 topics
  15. Prognosis3▲ 9.9×7 topics
  16. Elderly Patients3▲ 18×4 topics
  17. Rehabilitation3▲ 7.7×5 topics
  18. Complications3▲ 5.6×6 topics
  19. Intensive Care Unit3▲ 23×3 topics
  20. Surgery3▲ 8.0×7 topics
  21. Radiotherapy3▲ 7.0×8 topics
  22. Immunohistochemistry2▲ 34×3 topics
  23. Aging2▲ 4.5×4 topics
  24. Pathophysiology2▲ 8.1×6 topics
  25. Metastasis2▲ 6.7×4 topics
  26. Perioperative Care2▲ 20×3 topics
  27. Delirium2▲ 42×1 topic
  28. Mechanically Ventilated Patients2▲ 42×1 topic
  29. Chronic Kidney Disease2▲ 8.8×6 topics
  30. Endovascular Repair2▲ 25×3 topics
  31. Palliative Treatment2▲ 32×2 topics
  32. Radiation Therapy2▲ 17×4 topics
  33. Rituximab2▲ 14×4 topics
  34. Anesthesia2▲ 27×2 topics
  35. Enteral Nutrition2▲ 75×1 topic
  36. Fluid Responsiveness2▲ 59×1 topic
  37. Hemodynamic Monitoring2▲ 59×1 topic
  38. Nutrition Support Therapy2▲ 75×1 topic
  39. Sepsis2▲ 11×3 topics
  40. Squamous Cell Carcinoma2▲ 21×3 topics

Which research topics does Hitachi General Hospital publish most on?

By volume in 2022–2025: Intensive Care Unit Cognitive Disorders, Clinical Nutrition and Gastroenterology, Hemodynamic Monitoring and Therapy and Cardiac tumors and thrombi.

Intensive Care Unit Cogn…2Intensive Care Unit Cognitive Disorders: 2 fractional worksClinical Nutrition and G…2Clinical Nutrition and Gastroenterology: 2 fractional worksHemodynamic Monitoring and Therapy: 2 fractional worksCardiac tumors and thrombi: 2 fractional worksAnesthesia and Sedative …2Anesthesia and Sedative Agents: 2 fractional worksNutrition and Health in Aging: 2 fractional worksEsophageal and GI Pathology: 2 fractional worksSoft tissue tumor case s…1Soft tissue tumor case studies: 1 fractional worksClimate Change and Health Impacts: 1 fractional worksSepsis Diagnosis and Treatment: 1 fractional works
Critical Care and Intensive Care MedicineNutrition and DieteticsSurgeryCardiology and Cardiovascular Medicine5 others

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

  1. 1 Intensive Care Unit Cognitive Disorders Critical Care and Intensive Care Medicine 2 works
  2. 2 Clinical Nutrition and Gastroenterology Nutrition and Dietetics 2 works
  3. 3 Hemodynamic Monitoring and Therapy Surgery 2 works
  4. 4 Cardiac tumors and thrombi Cardiology and Cardiovascular Medicine 2 works
  5. 5 Anesthesia and Sedative Agents Anesthesiology and Pain Medicine 2 works
  6. 6 Nutrition and Health in Aging Physiology 2 works
  7. 7 Esophageal and GI Pathology Surgery 2 works
  8. 8 Soft tissue tumor case studies Rheumatology 1 works
  9. 9 Climate Change and Health Impacts Health, Toxicology and Mutagenesis 1 works
  10. 10 Sepsis Diagnosis and Treatment Epidemiology 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 available54.7%not open45.3%

World: 28% of research is openly available.

with international co-authors5.3%domestic only94.7%

World: 19% is written across borders.

How has Hitachi General Hospital's research output changed?

Output in 2018–2022 was 26% 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 Hitachi

All research institutions in Hitachi

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.