Science Explorer Interactive view Map
Hospital / health system · Nagano · Japan

Nagano Municipal Hospital

In research, Nagano Municipal Hospital stands highest in Medicine (#8,394 of 10,443 worldwide) and Health Sciences (#10,187 of 11,982 worldwide), 2022–2025.

hospital.nagano.nagano.jpROR OpenAlex
World rank, 2022–2025
#24,097
of 28,054 · #33,737 all time
Rank in Japan
#796
of 1,070
Research works
474
▲ 44% vs 2013–17
Citations
3.7k
7.8 per fractional work
Top-10% rate
4.3%
record average 16.5%
Open access
60%
world 28%

What is Nagano Municipal 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 #8,394 of 10,443 4.3%73 #11059
Health SciencesDomain #10,187 of 11,982 4.6%77 #14069

Each strip is that field’s whole ranked pool, with the notch where Nagano Municipal 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: 0.02× its world share, 0 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.95× its world share, 4 worksBiochemistry, Geneti…Immunology and Microbiology: 0.87× its world share, 1 worksImmunology and Micro…Neuroscience: 0.96× its world share, 1 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 0.04× its world share, 0 worksPharmacology, Toxico…Chemistry: 0.03× its world share, 0 worksChemistryComputer Science: 0.07× its world share, 0 worksComputer ScienceEarth and Planetary Sciences: 0.05× its world share, 0 worksEarth and Planetary …Engineering: 0.01× its world share, 0 worksEngineeringEnvironmental Science: 0.02× its world share, 0 worksEnvironmental ScienceMaterials Science: 0.01× its world share, 0 worksMaterials ScienceMathematics: 0.32× its world share, 0 worksMathematicsPhysics and Astronomy: 0.14× its world share, 0 worksPhysics and AstronomyDentistry: 0.96× its world share, 0 worksDentistryHealth Professions: 1.04× its world share, 2 worksHealth ProfessionsMedicine: 4.26× its world share, 74 worksMedicineNursing: 1.04× its world share, 0 worksNursingVeterinary: 3.08× its world share, 0 worksVeterinaryArts and Humanities: 0.19× its world share, 0 worksArts and HumanitiesBusiness, Management and Accounting: 0.17× its world share, 0 worksBusiness, Management…Economics, Econometrics and Finance: 0.06× its world share, 0 worksEconomics, Econometr…Psychology: 0.78× its world share, 2 worksPsychologySocial Sciences: 0.08× 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, 4.3×. Every wedge is a field page.

Who are the top researchers at Nagano Municipal Hospital?

Ranked on the composite score, Takaaki Arimura, Noriko Hosaka and Masanori Kobayashi lead among researchers whose main affiliation is Nagano Municipal Hospital.

  1. 1 Takaaki Arimura Japan · #1,080,066 worldwide 8 citations · 20 works
  2. 2 Noriko Hosaka Japan · #1,332,459 worldwide 6 citations · 16 works
  3. 3 Masanori Kobayashi Japan · #1,450,079 worldwide 19 citations · 21 works
All ranked researchers at Nagano Municipal Hospital

Which keywords describe research at Nagano Municipal Hospital?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Diagnosis, Epidemiology, Treatment, Immunotherapy, Surgical Management, Clinical Practice Guidelines, Chemotherapy 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. Epidemiology10▲ 3.0×49 topics
  2. Treatment7▲ 6.5×19 topics
  3. Diagnosis7▲ 8.1×21 topics
  4. Chemotherapy5▲ 8.1×16 topics
  5. Clinical Practice Guidelines5▲ 10×10 topics
  6. Immunotherapy5▲ 8.0×15 topics
  7. Surgical Management5▲ 14×13 topics
  8. Prognostic Factors4▲ 11×9 topics
  9. Guidelines4▲ 9.0×10 topics
  10. Inflammation4▲ 2.0×24 topics
  11. Management4▲ 5.0×13 topics
  12. Risk Factors4▲ 3.6×13 topics
  13. Cholangiocarcinoma3▲ 46×2 topics
  14. Complications3▲ 7.3×11 topics
  15. Genetic Mutations3▲ 8.6×12 topics
  16. Quality of Life3▲ 2.5×14 topics
  17. Meta-Analysis3▲ 5.5×6 topics
  18. Survival Analysis3▲ 11×4 topics
  19. Tumor Microenvironment2▲ 6.2×5 topics
  20. Stroke Prevention2▲ 22×2 topics
  21. Catheter Ablation2▲ 20×2 topics
  22. Neoadjuvant Therapy2▲ 10×4 topics
  23. Radiofrequency Ablation2▲ 24×2 topics
  24. Echocardiography2▲ 8.6×5 topics
  25. Magnetic Resonance Imaging2▲ 9.1×5 topics
  26. Anticoagulant Therapy2▲ 18×3 topics
  27. Molecular Characterization2▲ 12×5 topics
  28. Gastric Cancer2▲ 19×2 topics
  29. Prognosis2▲ 6.5×7 topics
  30. Revascularization2▲ 14×3 topics
  31. Cholecystitis2▲ 47×1 topic
  32. Cytoreductive Surgery2▲ 30×2 topics
  33. ERCP2▲ 47×1 topic
  34. Therapy2▲ 10×4 topics
  35. Colorectal Cancer2▲ 24×2 topics
  36. Hepatocellular Carcinoma2▲ 9.0×2 topics
  37. Molecular Pathology2▲ 17×3 topics
  38. Biliary Tract Cancer2▲ 45×1 topic
  39. Intrahepatic Cholangiocarcinoma2▲ 45×1 topic
  40. Therapeutic Strategies2▲ 18×2 topics

Which research topics does Nagano Municipal Hospital publish most on?

By volume in 2022–2025: Gallbladder and Bile Duct Disorders, Cholangiocarcinoma and Gallbladder Cancer Studies, Intraperitoneal and Appendiceal Malignancies and Hepatocellular Carcinoma Treatment and Prognosis.

Gallbladder and Bile Duc…2Gallbladder and Bile Duct Disorders: 2 fractional worksCholangiocarcinoma and G…2Cholangiocarcinoma and Gallbladder Cancer Studies: 2 fractional worksIntraperitoneal and Appendiceal Malignancies: 1 fractional worksHepatocellular Carcinoma Treatment and Prognosis: 1 fractional worksAtrial Fibrillation Management and Outcomes: 1 fractional worksCerebrovascular and Carotid Artery Diseases: 1 fractional worksPancreatic and Hepatic Oncology Research: 1 fractional worksCardiac Arrhythmias and …1Cardiac Arrhythmias and Treatments: 1 fractional worksAcute Ischemic Stroke Management: 1 fractional worksMedical Imaging and Pathology Studies: 1 fractional works
Pulmonary and Respiratory MedicineSurgeryHepatologyCardiology and Cardiovascular Medicine2 others

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

  1. 1 Gallbladder and Bile Duct Disorders Pulmonary and Respiratory Medicine 2 works
  2. 2 Cholangiocarcinoma and Gallbladder Cancer Studies Surgery 2 works
  3. 3 Intraperitoneal and Appendiceal Malignancies Surgery 1 works
  4. 4 Hepatocellular Carcinoma Treatment and Prognosis Hepatology 1 works
  5. 5 Atrial Fibrillation Management and Outcomes Cardiology and Cardiovascular Medicine 1 works
  6. 6 Cerebrovascular and Carotid Artery Diseases Pulmonary and Respiratory Medicine 1 works
  7. 7 Pancreatic and Hepatic Oncology Research Oncology 1 works
  8. 8 Cardiac Arrhythmias and Treatments Cardiology and Cardiovascular Medicine 1 works
  9. 9 Acute Ischemic Stroke Management Epidemiology 1 works
  10. 10 Medical Imaging and Pathology Studies 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 available59.7%not open40.3%

World: 28% of research is openly available.

with international co-authors4.1%domestic only95.9%

World: 19% is written across borders.

How has Nagano Municipal Hospital's research output changed?

Output in 2018–2022 was 44% 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 Nagano

All research institutions in Nagano

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.