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Hospital / health system · Maebashi · Japan

Gunma University Hospital

In research, Gunma University Hospital stands highest in Medicine (#6,872 of 10,443 worldwide) and Health Sciences (#8,411 of 11,982 worldwide), 2022–2025. Relative to its size it is most specialised in Pulmonary and Respiratory Medicine — Pulmonary and Respiratory Medicine is 8.8× its share of world research.

hospital.med.gunma-u.ac.jpROR OpenAlex
World rank, 2022–2025
#17,147
of 28,054 · #16,270 all time
Rank in Japan
#463
of 1,070
Research works
1.3k
▲ 12% vs 2013–17
Citations
17k
13.1 per fractional work
Top-10% rate
6.3%
record average 16.5%
Open access
52%
world 28%

What is Gunma 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 #6,872 of 10,443 6.0%142 #6035
Health SciencesDomain #8,411 of 11,982 6.2%149 #7532

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

What does Gunma University Hospital specialise in?

Where its research is concentrated relative to its size: Pulmonary and Respiratory Medicine takes 8.8× the share of its output that it takes of world research.

  1. Pulmonary and Respiratory MedicineSubfield · 26.7 works8.8×
← 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: 0.09× its world share, 1 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 1.28× its world share, 13 worksBiochemistry, Geneti…Immunology and Microbiology: 0.85× its world share, 2 worksImmunology and Micro…Neuroscience: 1.01× its world share, 3 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 3.45× its world share, 2 worksPharmacology, Toxico…Chemistry: 0.18× its world share, 1 worksChemistryComputer Science: 0.09× its world share, 1 worksComputer ScienceEarth and Planetary Sciences: 0.03× its world share, 0 worksEarth and Planetary …Engineering: 0.20× its world share, 6 worksEngineeringEnvironmental Science: 0.15× its world share, 2 worksEnvironmental ScienceMaterials Science: 0.26× its world share, 2 worksMaterials SciencePhysics and Astronomy: 2.29× its world share, 10 worksPhysics and AstronomyDentistry: 0.70× its world share, 1 worksDentistryHealth Professions: 1.00× its world share, 5 worksHealth ProfessionsMedicine: 3.75× its world share, 142 worksMedicineNursing: 1.50× its world share, 1 worksNursingVeterinary: 0.62× its world share, 0 worksVeterinaryArts and Humanities: 0.03× its world share, 0 worksArts and HumanitiesBusiness, Management and Accounting: 0.04× its world share, 0 worksBusiness, Management…Decision Sciences: 0.01× its world share, 0 worksDecision SciencesEconomics, Econometrics and Finance: 0.23× its world share, 1 worksEconomics, Econometr…Psychology: 0.35× its world share, 2 worksPsychologySocial Sciences: 0.05× its world share, 1 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 Gunma University Hospital?

Ranked on the composite score, Tatsuaki Kanai, Nobuhiko Kobayashi and Yasuyuki Shimoyama lead among researchers whose main affiliation is Gunma University Hospital.

  1. 1 Tatsuaki Kanai Japan · #105,270 worldwide 227 citations · 63 works
  2. 2 Nobuhiko Kobayashi Japan · #435,184 worldwide 24 citations · 29 works
  3. 3 Yasuyuki Shimoyama Japan · #647,461 worldwide 29 citations · 25 works
  4. 4 Hiroko Hosaka Japan · #852,148 worldwide 36 citations · 40 works
  5. 5 Hitoshi Kurabayashi Japan · #988,752 worldwide 8 citations · 15 works
  6. 6 Mutsumi Tashiro Japan · #1,226,855 worldwide 9 citations · 23 works
  7. 7 Yutaka Tokue Japan · #1,314,992 worldwide 17 citations · 18 works
  8. 8 M Matsumoto Japan · #1,415,429 worldwide 2 citations · 23 works
  9. 9 Yoshiyuki Ogawa Japan · #1,426,863 worldwide 13 citations · 38 works
  10. 10 Yuri Miyazawa Japan · #1,496,209 worldwide 1 citations · 17 works
All ranked researchers at Gunma University Hospital

Which keywords describe research at Gunma University Hospital?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Chemotherapy, Radiotherapy, Prognostic Factors, Particle Therapy, Proton Therapy, Epidemiology, Management and Clinical Practice Guidelines.

▲ 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. Epidemiology16▲ 2.1×61 topics
  2. Chemotherapy13▲ 9.8×20 topics
  3. Radiotherapy11▲ 15×10 topics
  4. Management9▲ 6.0×23 topics
  5. Prognostic Factors9▲ 10×14 topics
  6. Oxidative Stress8▲ 2.6×29 topics
  7. Diagnosis8▲ 4.5×26 topics
  8. Inflammation8▲ 2.0×42 topics
  9. Particle Therapy8▲ 167×1 topic
  10. Proton Therapy8▲ 167×1 topic
  11. Treatment8▲ 3.2×25 topics
  12. Immunotherapy8▲ 5.4×16 topics
  13. Clinical Practice Guidelines8▲ 7.0×10 topics
  14. Monte Carlo Simulation7▲ 17×3 topics
  15. Dosimetry6▲ 46×2 topics
  16. Surgical Management6▲ 7.6×14 topics
  17. Image-Guided Radiotherapy6▲ 72×1 topic
  18. Radiotherapy Physics6▲ 72×1 topic
  19. Biomarkers6▲ 4.2×10 topics
  20. Genetic Mutations6▲ 6.6×13 topics
  21. Quality of Life6▲ 1.99×18 topics
  22. Prognosis5▲ 8.1×7 topics
  23. Clinical Trials5▲ 3.7×8 topics
  24. Guidelines4▲ 4.8×12 topics
  25. Survival4▲ 16×2 topics
  26. Apoptosis4▲ 6.2×5 topics
  27. Maternal Mortality4▲ 8.5×3 topics
  28. Radiation Therapy4▲ 14×4 topics
  29. Squamous Cell Carcinoma4▲ 21×3 topics
  30. Fibrosis4▲ 9.7×6 topics
  31. Genomic Instability4▲ 16×3 topics
  32. Molecular Characterization4▲ 10.0×4 topics
  33. Adjuvant Therapy3▲ 13×2 topics
  34. Clinical Guidelines3▲ 5.6×5 topics
  35. Neoadjuvant Therapy3▲ 6.9×5 topics
  36. Molecular Classification3▲ 11×3 topics
  37. Prostate Cancer3▲ 11×2 topics
  38. Prenatal Diagnosis3▲ 9.7×3 topics
  39. Bystander Effects3▲ 88×1 topic
  40. Radiation3▲ 88×1 topic

Which research topics does Gunma University Hospital publish most on?

By volume in 2022–2025: Radiation Therapy and Dosimetry, Advanced Radiotherapy Techniques, Radiation Detection and Scintillator Technologies and Effects of Radiation Exposure.

Radiation Therapy and Do…8Radiation Therapy and Dosimetry: 8 fractional worksAdvanced Radiotherapy Techniques: 6 fractional worksRadiation Detection and Scintillator Technologies: 3 fractional worksEffects of Radiation Exposure: 3 fractional worksMaternal and fetal healthcare: 2 fractional worksLung Cancer Diagnosis an…2Lung Cancer Diagnosis and Treatment: 2 fractional worksHepatocellular Carcinoma Treatment and Prognosis: 2 fractional worksHead and Neck Cancer Studies: 2 fractional worksBladder and Urothelial Cancer Treatments: 2 fractional worksSarcoma Diagnosis and Treatment: 2 fractional works
Pulmonary and Respiratory MedicineRadiationRadiology, Nuclear Medicine and ImagingPediatrics, Perinatology and Child Health3 others

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

  1. 1 Radiation Therapy and Dosimetry Pulmonary and Respiratory Medicine 8 works
  2. 2 Advanced Radiotherapy Techniques Radiation 6 works
  3. 3 Radiation Detection and Scintillator Technologies Radiation 3 works
  4. 4 Effects of Radiation Exposure Radiology, Nuclear Medicine and Imaging 3 works
  5. 5 Maternal and fetal healthcare Pediatrics, Perinatology and Child Health 2 works
  6. 6 Lung Cancer Diagnosis and Treatment Pulmonary and Respiratory Medicine 2 works
  7. 7 Hepatocellular Carcinoma Treatment and Prognosis Hepatology 2 works
  8. 8 Head and Neck Cancer Studies Otorhinolaryngology 2 works
  9. 9 Bladder and Urothelial Cancer Treatments Surgery 2 works
  10. 10 Sarcoma Diagnosis and Treatment 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 available52.0%not open48.0%

World: 28% of research is openly available.

with international co-authors7.8%domestic only92.2%

World: 19% is written across borders.

How has Gunma University Hospital's research output changed?

Output in 2018–2022 was 12% 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 Maebashi

All research institutions in Maebashi

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.