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University · Sapporo · Japan

Sapporo University

In research, Sapporo University stands highest in Health Sciences (#8,050 of 11,982 worldwide) and Medicine (#7,176 of 10,443 worldwide), 2022–2025.

sapporo-u.ac.jpROR OpenAlex
World rank, 2022–2025
#10,840
of 28,054 · #9,780 all time
Rank in Japan
#270
of 1,070
Research works
1.6k
▲ 50% vs 2013–17
Citations
27k
16.4 per fractional work
Top-10% rate
16.3%
record average 16.5%
Open access
43%
world 28%

What is Sapporo University 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
Health SciencesDomain #8,050 of 11,982 14.6%134 #6672
MedicineField #7,176 of 10,443 13.7%118 #6350

Each strip is that field’s whole ranked pool, with the notch where Sapporo University 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: 0.64× its world share, 8 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 1.91× its world share, 28 worksBiochemistry, Geneti…Immunology and Microbiology: 2.42× its world share, 7 worksImmunology and Micro…Neuroscience: 2.54× its world share, 11 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 1.45× its world share, 1 worksPharmacology, Toxico…Chemical Engineering: 0.53× its world share, 0 worksChemical EngineeringChemistry: 0.48× its world share, 2 worksChemistryComputer Science: 0.26× its world share, 6 worksComputer ScienceEarth and Planetary Sciences: 0.65× its world share, 3 worksEarth and Planetary …Energy: 0.17× its world share, 0 worksEnergyEngineering: 0.40× its world share, 16 worksEngineeringEnvironmental Science: 0.63× its world share, 8 worksEnvironmental ScienceMaterials Science: 0.30× its world share, 3 worksMaterials ScienceMathematics: 0.61× its world share, 2 worksMathematicsPhysics and Astronomy: 0.52× its world share, 3 worksPhysics and AstronomyDentistry: 0.74× its world share, 1 worksDentistryHealth Professions: 1.30× its world share, 9 worksHealth ProfessionsMedicine: 2.28× its world share, 118 worksMedicineNursing: 3.92× its world share, 5 worksNursingVeterinary: 0.34× its world share, 0 worksVeterinaryArts and Humanities: 0.81× its world share, 6 worksArts and HumanitiesBusiness, Management and Accounting: 0.29× its world share, 2 worksBusiness, Management…Decision Sciences: 0.50× its world share, 1 worksDecision SciencesEconomics, Econometrics and Finance: 0.18× its world share, 1 worksEconomics, Econometr…Psychology: 1.00× its world share, 8 worksPsychologySocial Sciences: 0.54× its world share, 18 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Nursing, 3.9×. Every wedge is a field page.

Who are the top researchers at Sapporo University?

Ranked on the composite score, Hirotaka Nishijima, Tasuku Kimura and Michiko Yuri lead among researchers whose main affiliation is Sapporo University.

  1. 1 Hirotaka Nishijima Japan · #588,780 worldwide 48 citations · 24 works
  2. 2 Tasuku Kimura Japan · #699,583 worldwide 0 citations · 16 works
  3. 3 Michiko Yuri Japan · #1,069,892 worldwide 46 citations · 24 works
  4. 4 Shoji Mitarai Japan · #1,117,570 worldwide 1 citations · 20 works
  5. 5 Hisao Tokizaki Japan · #1,494,549 worldwide 8 citations · 30 works
All ranked researchers at Sapporo University

Which keywords describe research at Sapporo University?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Epidemiology, Inflammation, Oxidative Stress, Cardiovascular Disease, Metabolic Syndrome, Mitochondrial Dysfunction, Diagnosis and Treatment.

▲ 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. Epidemiology30▲ 2.8×94 topics
  2. Inflammation18▲ 3.2×55 topics
  3. Oxidative Stress12▲ 2.7×37 topics
  4. Cardiovascular Disease9▲ 3.1×24 topics
  5. Metabolic Syndrome8▲ 3.8×15 topics
  6. Treatment8▲ 2.4×31 topics
  7. Quality of Life8▲ 1.92×34 topics
  8. Diagnosis7▲ 2.8×28 topics
  9. Obesity6▲ 3.0×19 topics
  10. Risk Factors6▲ 2.0×21 topics
  11. Aging6▲ 3.9×9 topics
  12. Pathogenesis6▲ 4.0×18 topics
  13. Biomarkers5▲ 2.8×13 topics
  14. Prevention5▲ 4.6×10 topics
  15. Insulin Resistance5▲ 4.1×7 topics
  16. Mitochondrial Dysfunction5▲ 6.3×10 topics
  17. Rehabilitation5▲ 4.6×10 topics
  18. Biomechanics5▲ 5.7×7 topics
  19. Metabolism5▲ 3.4×16 topics
  20. Management4▲ 2.1×20 topics
  21. Neurological Disorders4▲ 2.6×13 topics
  22. Heart Failure4▲ 3.4×12 topics
  23. Global Burden4▲ 2.6×11 topics
  24. Metabolic Regulation4▲ 7.8×4 topics
  25. Hepatic Steatosis3▲ 8.2×2 topics
  26. Gait Analysis3▲ 13×2 topics
  27. Autoantibodies3▲ 5.1×7 topics
  28. Stem Cells3▲ 4.7×9 topics
  29. Thrombosis3▲ 4.1×7 topics
  30. Injury Prevention3▲ 8.9×2 topics
  31. Arthroplasty3▲ 11×2 topics
  32. Corpus Linguistics3▲ 4.8×3 topics
  33. Hepatocellular Carcinoma3▲ 4.9×3 topics
  34. Muscle Injuries3▲ 16×1 topic
  35. Sports Injury3▲ 16×1 topic
  36. Mitochondria3▲ 7.2×4 topics
  37. Foot Strike Patterns2▲ 26×1 topic
  38. Omega-3 Fatty Acids2▲ 12×2 topics
  39. Running Injuries2▲ 26×1 topic
  40. Dietary Intake2▲ 20×3 topics

Which research topics does Sapporo University publish most on?

By volume in 2022–2025: Sports injuries and prevention, Lower Extremity Biomechanics and Pathologies, Liver Disease Diagnosis and Treatment and Translation Studies and Practices.

Sports injuries and prev…3Sports injuries and prevention: 3 fractional worksLower Extremity Biomecha…2Lower Extremity Biomechanics and Pathologies: 2 fractional worksLiver Disease Diagnosis and Treatment: 2 fractional worksTranslation Studies and …2Translation Studies and Practices: 2 fractional worksFatty Acid Research and …2Fatty Acid Research and Health: 2 fractional worksMetabolomics and Mass Spectrometry Studies: 2 fractional worksKnee injuries and reconstruction techniques: 2 fractional worksMitochondrial Function a…2Mitochondrial Function and Pathology: 2 fractional worksFoot and Ankle Surgery: 2 fractional worksShoulder Injury and Treatment: 1 fractional works
Orthopedics and Sports MedicineBiomedical EngineeringEpidemiologyLanguage and Linguistics3 others

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

  1. 1 Sports injuries and prevention Orthopedics and Sports Medicine 3 works
  2. 2 Lower Extremity Biomechanics and Pathologies Biomedical Engineering 2 works
  3. 3 Liver Disease Diagnosis and Treatment Epidemiology 2 works
  4. 4 Translation Studies and Practices Language and Linguistics 2 works
  5. 5 Fatty Acid Research and Health Nutrition and Dietetics 2 works
  6. 6 Metabolomics and Mass Spectrometry Studies Molecular Biology 2 works
  7. 7 Knee injuries and reconstruction techniques Surgery 2 works
  8. 8 Mitochondrial Function and Pathology Molecular Biology 2 works
  9. 9 Foot and Ankle Surgery Orthopedics and Sports Medicine 2 works
  10. 10 Shoulder Injury and Treatment Surgery 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 available43.2%not open56.8%

World: 28% of research is openly available.

with international co-authors14.9%domestic only85.1%

World: 19% is written across borders.

How has Sapporo University's research output changed?

Output in 2018–2022 was 50% 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 Sapporo

All research institutions in Sapporo

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.