Science Explorer Interactive view Map
University · Kochi · Japan

Kōchi University

In research, Kōchi University stands highest in Medicine (#3,696 of 10,443 worldwide), Health Sciences (#4,846 of 11,982 worldwide) and Physical Sciences (#5,505 of 12,888 worldwide), 2022–2025. Relative to its size it is most specialised in Rheumatology — Rheumatology is 5.5× its share of world research.

kochi-u.ac.jp/englishROR OpenAlex
World rank, 2022–2025
#7,318
of 28,054 · #4,351 all time
Rank in Japan
#182
of 1,070
Research works
7.8k
◆ 2% vs 2013–17
Citations
129k
16.7 per fractional work
Top-10% rate
9.5%
record average 16.5%
Open access
47%
world 28%

What is Kōchi 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
MedicineField #3,696 of 10,443 9.0%351 #4849
Health SciencesDomain #4,846 of 11,982 9.0%370 #5946
Physical SciencesDomain #5,505 of 12,888 9.8%272 #2965
Life SciencesDomain #5,111 of 7,800 9.0%184 #3851
Environmental ScienceField #3,014 of 3,551 9.0%82 #3092
Agricultural and Biological SciencesField #3,194 of 3,409 12.7%65 #3659
Biochemistry, Genetics and Molecular BiologyField #3,463 of 3,579 7.6%73 #3238

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

Which of those standings moved

The same fields on both windows: where it stood over the whole record, and where it stands in 2022–2025. The distance is the story, and it is the one thing the two rank columns above cannot show.

  1. Medicine#4,849 #3,696
  2. Health Sciences#5,946 #4,846
  3. Physical Sciences#2,965 #5,505
  4. Life Sciences#3,851 #5,111
  5. Environmental Science#3,092 #3,014
  6. Agricultural and Biological Sciences#3,659 #3,194
  7. Biochemistry, Genetics and Molecular Biology#3,238 #3,463
all time2022–2025, better2022–2025, worse

A dot further right is a better standing. Fields it was not ranked in over the whole record are left out.

What does Kōchi University specialise in?

Where its research is concentrated relative to its size: Rheumatology takes 5.5× the share of its output that it takes of world research.

  1. RheumatologySubfield · 22.1 works5.5×
← 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: 1.54× its world share, 64 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 1.56× its world share, 73 worksBiochemistry, Geneti…Immunology and Microbiology: 1.71× its world share, 15 worksImmunology and Micro…Neuroscience: 1.87× its world share, 27 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 1.52× its world share, 5 worksPharmacology, Toxico…Chemical Engineering: 0.74× its world share, 2 worksChemical EngineeringChemistry: 1.22× its world share, 17 worksChemistryComputer Science: 0.20× its world share, 14 worksComputer ScienceEarth and Planetary Sciences: 3.73× its world share, 51 worksEarth and Planetary …Energy: 0.63× its world share, 5 worksEnergyEngineering: 0.35× its world share, 46 worksEngineeringEnvironmental Science: 1.87× its world share, 82 worksEnvironmental ScienceMaterials Science: 0.74× its world share, 23 worksMaterials ScienceMathematics: 0.60× its world share, 6 worksMathematicsPhysics and Astronomy: 1.35× its world share, 26 worksPhysics and AstronomyDentistry: 0.42× its world share, 2 worksDentistryHealth Professions: 0.42× its world share, 10 worksHealth ProfessionsMedicine: 2.08× its world share, 351 worksMedicineNursing: 0.96× its world share, 4 worksNursingVeterinary: 2.27× its world share, 3 worksVeterinaryArts and Humanities: 0.26× its world share, 6 worksArts and HumanitiesBusiness, Management and Accounting: 0.08× its world share, 2 worksBusiness, Management…Decision Sciences: 0.28× its world share, 2 worksDecision SciencesEconomics, Econometrics and Finance: 0.24× its world share, 4 worksEconomics, Econometr…Psychology: 0.61× its world share, 16 worksPsychologySocial Sciences: 0.20× its world share, 22 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Earth and Planetary Sciences, 3.7×. Every wedge is a field page.

Who are the top researchers at Kōchi University?

Ranked on the composite score, Yoshinori Yamamoto, Keiji Inoue and Masamitsu Ochi lead among researchers whose main affiliation is Kōchi University.

  1. 1 Yoshinori Yamamoto Japan · #60,479 worldwide 457 citations · 86 works
  2. 2 Keiji Inoue Japan · #107,624 worldwide 245 citations · 54 works
  3. 3 Masamitsu Ochi Japan · #236,048 worldwide 135 citations · 22 works
  4. 4 Hidetsuyo Hosokawa Japan · #274,477 worldwide 105 citations · 19 works
  5. 5 Narufumi Suganuma Japan · #310,649 worldwide 118 citations · 36 works
  6. 6 Hiyoshizo Kotsuki Japan · #329,068 worldwide 227 citations · 63 works
  7. 7 Takahiro Taguchi Japan · #338,602 worldwide 100 citations · 24 works
  8. 8 Takehiro Okabayashi Japan · #359,945 worldwide 74 citations · 42 works
  9. 9 Kei Okamura Japan · #369,981 worldwide 53 citations · 38 works
  10. 10 Masahiko Sakaguchi Japan · #388,323 worldwide 27 citations · 27 works
All ranked researchers at Kōchi University

Which keywords describe research at Kōchi University?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Epidemiology, Climate Change, Diagnosis, Inflammation, Treatment, Invasive Species, Oxidative Stress and Chemotherapy.

▲ 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. Epidemiology64▲ 1.84×105 topics
  2. Climate Change45▲ 1.92×59 topics
  3. Inflammation39▲ 2.1×69 topics
  4. Treatment31▲ 2.9×36 topics
  5. Diagnosis30▲ 3.6×31 topics
  6. Oxidative Stress28▲ 1.93×47 topics
  7. Cancer18▲ 1.55×41 topics
  8. Chemotherapy18▲ 2.9×23 topics
  9. Quality of Life18▲ 1.38×29 topics
  10. Invasive Species18▲ 4.7×15 topics
  11. Immunotherapy17▲ 2.7×17 topics
  12. Biodiversity16▲ 2.5×20 topics
  13. Management15▲ 2.2×25 topics
  14. Prognostic Factors15▲ 3.9×14 topics
  15. Genetic Mutations13▲ 3.5×18 topics
  16. Prognosis12▲ 4.3×7 topics
  17. Genetics12▲ 1.97×19 topics
  18. Autoantibodies12▲ 5.8×8 topics
  19. Surgical Management11▲ 3.1×18 topics
  20. Complications11▲ 2.5×14 topics
  21. Heart Failure10▲ 2.7×13 topics
  22. Cytokines10▲ 4.0×8 topics
  23. Global Change10▲ 4.3×6 topics
  24. Plate Tectonics9▲ 7.0×3 topics
  25. Ecosystem Functioning9▲ 5.5×7 topics
  26. Tectonics9▲ 8.9×3 topics
  27. Neuroinflammation9▲ 3.6×6 topics
  28. Holocene9▲ 8.7×3 topics
  29. Echocardiography9▲ 3.6×8 topics
  30. Sea Level9▲ 10×2 topics
  31. Neoadjuvant Therapy8▲ 4.1×4 topics
  32. Fibrosis8▲ 5.2×7 topics
  33. Urinary Incontinence8▲ 11×2 topics
  34. Paleoclimatology8▲ 11×2 topics
  35. Glacial Cycles8▲ 13×1 topic
  36. Monsoon Dynamics8▲ 13×1 topic
  37. TGF-ß8▲ 5.5×4 topics
  38. Microbiome7▲ 5.9×3 topics
  39. Benthic Communities6▲ 13×2 topics
  40. Marine Biodiversity6▲ 13×2 topics

Which research topics does Kōchi University publish most on?

By volume in 2022–2025: Geology and Paleoclimatology Research, Geological and Geochemical Analysis, earthquake and tectonic studies and Urinary Bladder and Prostate Research.

Geology and Paleoclimato…8Geology and Paleoclimatology Research: 8 fractional worksGeological and Geochemic…6Geological and Geochemical Analysis: 6 fractional worksearthquake and tectonic …6earthquake and tectonic studies: 6 fractional worksUrinary Bladder and Pros…5Urinary Bladder and Prostate Research: 5 fractional worksIgG4-Related and Inflammatory Diseases: 4 fractional worksMarine Biology and Ecology Research: 4 fractional worksLung Cancer Diagnosis an…4Lung Cancer Diagnosis and Treatment: 4 fractional worksPaleontology and Stratigraphy of Fossils: 4 fractional worksMethane Hydrates and Related Phenomena: 4 fractional worksGreenhouse Technology an…4Greenhouse Technology and Climate Control: 4 fractional works
Atmospheric ScienceGeophysicsUrologyRheumatology5 others

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

  1. 1 Geology and Paleoclimatology Research Atmospheric Science 8 works
  2. 2 Geological and Geochemical Analysis Geophysics 6 works
  3. 3 earthquake and tectonic studies Geophysics 6 works
  4. 4 Urinary Bladder and Prostate Research Urology 5 works
  5. 5 IgG4-Related and Inflammatory Diseases Rheumatology 4 works
  6. 6 Marine Biology and Ecology Research Oceanography 4 works
  7. 7 Lung Cancer Diagnosis and Treatment Pulmonary and Respiratory Medicine 4 works
  8. 8 Paleontology and Stratigraphy of Fossils Paleontology 4 works
  9. 9 Methane Hydrates and Related Phenomena Environmental Chemistry 4 works
  10. 10 Greenhouse Technology and Climate Control Plant Science 4 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 available46.8%not open53.2%

World: 28% of research is openly available.

with international co-authors15.4%domestic only84.6%

World: 19% is written across borders.

How has Kōchi University's research output changed?

Output in 2018–2022 was 2% 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 Kochi

All research institutions in Kochi

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.