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Hospital / health system · Matsuyama · Japan

Ehime University Hospital

In research, Ehime University Hospital stands highest in Medicine (#8,776 of 10,443 worldwide) and Health Sciences (#10,510 of 11,982 worldwide), 2022–2025.

hsp.ehime-u.ac.jpROR OpenAlex
World rank, 2022–2025
#19,256
of 28,054 · #24,851 all time
Rank in Japan
#542
of 1,070
Research works
517
▲ 10% vs 2013–17
Citations
5.3k
10.3 per fractional work
Top-10% rate
8.1%
record average 16.5%
Open access
58%
world 28%

What is Ehime University 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 #8,776 of 10,443 6.4%85 #13526
Health SciencesDomain #10,510 of 11,982 6.5%90 #16363

Each strip is that field’s whole ranked pool, with the notch where Ehime University 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: 0.09× its world share, 0 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 2.15× its world share, 14 worksBiochemistry, Geneti…Immunology and Microbiology: 1.39× its world share, 2 worksImmunology and Micro…Neuroscience: 1.43× its world share, 3 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 3.78× its world share, 2 worksPharmacology, Toxico…Computer Science: 0.07× its world share, 1 worksComputer ScienceEngineering: 0.13× its world share, 2 worksEngineeringEnvironmental Science: 0.04× its world share, 0 worksEnvironmental ScienceMaterials Science: 0.12× its world share, 0 worksMaterials SciencePhysics and Astronomy: 0.12× its world share, 0 worksPhysics and AstronomyDentistry: 1.96× its world share, 1 worksDentistryHealth Professions: 0.90× its world share, 3 worksHealth ProfessionsMedicine: 3.73× its world share, 85 worksMedicineNursing: 1.20× its world share, 1 worksNursingVeterinary: 1.03× its world share, 0 worksVeterinaryBusiness, Management and Accounting: 0.01× its world share, 0 worksBusiness, Management…Decision Sciences: 0.02× its world share, 0 worksDecision SciencesEconomics, Econometrics and Finance: 0.42× its world share, 1 worksEconomics, Econometr…Psychology: 0.50× its world share, 2 worksPsychologySocial Sciences: 0.12× its world share, 2 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

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

Who are the top researchers at Ehime University Hospital?

Ranked on the composite score, Masafumi Koga, Akihiro Tanaka and Mitsuharu Murase lead among researchers whose main affiliation is Ehime University Hospital.

  1. 1 Masafumi Koga Japan · #260,525 worldwide 74 citations · 24 works
  2. 2 Akihiro Tanaka Japan · #924,276 worldwide 28 citations · 23 works
  3. 3 Mitsuharu Murase Japan · #1,068,784 worldwide 6 citations · 16 works
  4. 4 Hiroaki Araki Japan · #1,077,248 worldwide 51 citations · 93 works
  5. 5 Takumi Yamaguchi Japan · #1,171,664 worldwide 13 citations · 37 works
  6. 6 Katsuya Suemaru Japan · #1,252,963 worldwide 29 citations · 38 works
  7. 7 Hitoshi Miyamoto Japan · #1,342,267 worldwide 17 citations · 53 works
All ranked researchers at Ehime University Hospital

Which keywords describe research at Ehime University Hospital?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Epidemiology, Chemotherapy, Immunotherapy, Inflammation, Tumor Microenvironment, Genetic Mutations, Cancer and Prognostic Factors.

▲ 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. Epidemiology15▲ 3.3×52 topics
  2. Inflammation8▲ 3.4×34 topics
  3. Chemotherapy8▲ 9.3×18 topics
  4. Immunotherapy7▲ 8.7×14 topics
  5. Cancer6▲ 3.6×25 topics
  6. Treatment6▲ 3.8×20 topics
  7. Tumor Microenvironment5▲ 9.3×7 topics
  8. Diagnosis4▲ 3.9×16 topics
  9. Genetic Mutations4▲ 8.4×14 topics
  10. Prognostic Factors4▲ 7.7×12 topics
  11. Quality of Life4▲ 2.3×17 topics
  12. Clinical Trials4▲ 4.6×7 topics
  13. Complications4▲ 6.0×9 topics
  14. Clinical Practice Guidelines4▲ 5.3×10 topics
  15. Neoadjuvant Therapy4▲ 12×5 topics
  16. Neurological Disorders3▲ 4.8×11 topics
  17. Radiotherapy3▲ 7.1×9 topics
  18. Pancreatic Cancer3▲ 25×3 topics
  19. Genetics3▲ 3.8×9 topics
  20. Metabolic Syndrome3▲ 3.0×10 topics
  21. Prostate Cancer3▲ 19×3 topics
  22. Surgical Management3▲ 5.7×9 topics
  23. Biomarkers3▲ 3.3×8 topics
  24. Liver Transplantation3▲ 18×2 topics
  25. Gemcitabine2▲ 29×1 topic
  26. Surgical Complications2▲ 26×1 topic
  27. Magnetic Resonance Imaging2▲ 8.0×5 topics
  28. Parkinson's Disease2▲ 8.4×6 topics
  29. Genomic Profiling2▲ 19×2 topics
  30. Metastasis2▲ 5.4×9 topics
  31. Nutritional Support2▲ 20×3 topics
  32. Breast Cancer2▲ 7.6×9 topics
  33. Molecular Profiling2▲ 18×3 topics
  34. Diagnostic Criteria2▲ 7.6×5 topics
  35. Cholangiocarcinoma2▲ 20×2 topics
  36. Endoscopic Stenting2▲ 34×1 topic
  37. Esophageal Perforation2▲ 34×1 topic
  38. Palliative Treatment2▲ 24×2 topics
  39. Hormone Therapy2▲ 19×2 topics
  40. Proton Pump Inhibitors2▲ 23×2 topics

Which research topics does Ehime University Hospital publish most on?

By volume in 2022–2025: Pancreatic and Hepatic Oncology Research, Esophageal and GI Pathology, Prostate Cancer Treatment and Research and Gastroesophageal reflux and treatments.

Pancreatic and Hepatic O…2Pancreatic and Hepatic Oncology Research: 2 fractional worksEsophageal and GI Pathol…2Esophageal and GI Pathology: 2 fractional worksProstate Cancer Treatment and Research: 2 fractional worksGastroesophageal reflux and treatments: 2 fractional worksLiver Disease and Transplantation: 1 fractional worksGallbladder and Bile Duct Disorders: 1 fractional worksOrgan Transplantation Techniques and Outcomes: 1 fractional worksPancreatitis Pathology a…1Pancreatitis Pathology and Treatment: 1 fractional worksPediatric Hepatobiliary Diseases and Treatments: 1 fractional worksAdvanced MRI Techniques and Applications: 1 fractional works
OncologySurgeryPulmonary and Respiratory MedicineGastroenterology2 others

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

  1. 1 Pancreatic and Hepatic Oncology Research Oncology 2 works
  2. 2 Esophageal and GI Pathology Surgery 2 works
  3. 3 Prostate Cancer Treatment and Research Pulmonary and Respiratory Medicine 2 works
  4. 4 Gastroesophageal reflux and treatments Gastroenterology 2 works
  5. 5 Liver Disease and Transplantation Hepatology 1 works
  6. 6 Gallbladder and Bile Duct Disorders Pulmonary and Respiratory Medicine 1 works
  7. 7 Organ Transplantation Techniques and Outcomes Surgery 1 works
  8. 8 Pancreatitis Pathology and Treatment Surgery 1 works
  9. 9 Pediatric Hepatobiliary Diseases and Treatments Surgery 1 works
  10. 10 Advanced MRI Techniques and Applications Radiology, Nuclear Medicine and Imaging 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 available58.1%not open41.9%

World: 28% of research is openly available.

with international co-authors6.7%domestic only93.3%

World: 19% is written across borders.

How has Ehime University Hospital's research output changed?

Output in 2018–2022 was 10% 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 Matsuyama

All research institutions in Matsuyama

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.