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University · Tokyo · Japan

Keio University

In research, Keio University stands highest in Medicine (#479 of 10,443 worldwide), Health Sciences (#660 of 11,982 worldwide) and Physical Sciences (#809 of 12,888 worldwide), 2022–2025. Relative to its size it is most specialised in Human-Computer Interaction, Mathematical Physics and Gastroenterology — Human-Computer Interaction is 4.7× its share of world research.

keio.ac.jpROR OpenAlex
World rank, 2022–2025
#743
of 28,054 · #534 all time
Rank in Japan
#9
of 1,070
Research works
65k
▼ 5% vs 2013–17
Citations
1M
15.6 per fractional work
Top-10% rate
12.0%
record average 16.5%
Open access
39%
world 28%

What is Keio 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 #479 of 10,443 13.5%2,041 #474
Health SciencesDomain #660 of 11,982 13.4%2,207 #617
Physical SciencesDomain #809 of 12,888 9.3%2,989 #587
Life SciencesDomain #572 of 7,800 12.8%1,014 #366
Social SciencesDomain #1,112 of 10,521 15.9%1,041 #1029
SurgerySubfield #263 of 1,816 12.1%315 #277
Biochemistry, Genetics and Molecular BiologyField #588 of 3,579 13.1%533 #363
EngineeringField #1,195 of 6,636 7.7%1,254 #511
Physics and AstronomyField #299 of 1,646 18.4%257 #392
Computer ScienceField #896 of 4,667 9.9%753 #608

Each strip is that field’s whole ranked pool, with the notch where Keio 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#474 #479
  2. Health Sciences#617 #660
  3. Physical Sciences#587 #809
  4. Life Sciences#366 #572
  5. Social Sciences#1,029 #1,112
  6. Surgery#277 #263
  7. Biochemistry, Genetics and Molecular Biology#363 #588
  8. Engineering#511 #1,195
  9. Physics and Astronomy#392 #299
  10. Computer Science#608 #896
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 Keio University specialise in?

Where its research is concentrated relative to its size: Human-Computer Interaction takes 4.7× the share of its output that it takes of world research.

  1. Human-Computer InteractionSubfield · 70.7 works4.7×
  2. Mathematical PhysicsSubfield · 33.8 works3.0×
  3. GastroenterologySubfield · 24.9 works2.9×
  4. Cognitive NeuroscienceSubfield · 143.8 works2.7×
  5. Hardware and ArchitectureSubfield · 21.8 works2.7×
← 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: 0.24× its world share, 83 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 1.38× its world share, 532 worksBiochemistry, Geneti…Immunology and Microbiology: 1.24× its world share, 91 worksImmunology and Micro…Neuroscience: 2.28× its world share, 268 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 1.53× its world share, 39 worksPharmacology, Toxico…Chemical Engineering: 1.55× its world share, 39 worksChemical EngineeringChemistry: 1.25× its world share, 142 worksChemistryComputer Science: 1.33× its world share, 753 worksComputer ScienceEarth and Planetary Sciences: 0.26× its world share, 30 worksEarth and Planetary …Energy: 0.47× its world share, 31 worksEnergyEngineering: 1.15× its world share, 1,254 worksEngineeringEnvironmental Science: 0.35× its world share, 128 worksEnvironmental ScienceMaterials Science: 0.88× its world share, 224 worksMaterials ScienceMathematics: 1.54× its world share, 131 worksMathematicsPhysics and Astronomy: 1.59× its world share, 257 worksPhysics and AstronomyDentistry: 0.51× its world share, 18 worksDentistryHealth Professions: 0.62× its world share, 119 worksHealth ProfessionsMedicine: 1.46× its world share, 2,042 worksMedicineNursing: 0.71× its world share, 25 worksNursingVeterinary: 0.38× its world share, 4 worksVeterinaryArts and Humanities: 0.43× its world share, 90 worksArts and HumanitiesBusiness, Management and Accounting: 0.54× its world share, 127 worksBusiness, Management…Decision Sciences: 0.87× its world share, 61 worksDecision SciencesEconomics, Econometrics and Finance: 0.98× its world share, 152 worksEconomics, Econometr…Psychology: 1.09× its world share, 241 worksPsychologySocial Sciences: 0.40× its world share, 371 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Neuroscience, 2.3×. Every wedge is a field page.

Who are the top researchers at Keio University?

Ranked on the composite score, Ryogo Kubo, Hisao Asamura and Murat Doğru lead among researchers whose main affiliation is Keio University.

  1. 1 Ryogo Kubo Japan · #2,978 worldwide 4.1k citations · 66 works
  2. 2 Hisao Asamura Japan · #3,774 worldwide 1k citations · 73 works
  3. 3 Murat Doğru Japan · #14,982 worldwide 593 citations · 62 works
  4. 4 Shuhei Nomura Japan · #25,206 worldwide 3.3k citations · 35 works
  5. 5 Toshio Suda Japan · #27,171 worldwide 1.4k citations · 176 works
  6. 6 Katsuhiko Naoki Japan · #29,041 worldwide 1.2k citations · 34 works
  7. 7 Miki Uchino Japan · #32,313 worldwide 418 citations · 50 works
  8. 8 Takao Saruta Japan · #40,630 worldwide 501 citations · 124 works
  9. 9 Meigen Liu Japan · #42,348 worldwide 176 citations · 45 works
  10. 10 Yoshio Nakamura Japan · #44,540 worldwide 271 citations · 33 works
All ranked researchers at Keio University

Which keywords describe research at Keio University?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Deep Learning, Epidemiology, Inflammation, Neural Networks, Treatment, Chemotherapy, Biosensors and Endoscopic Resection.

▲ 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. Deep Learning353▲ 1.42×76 topics
  2. Epidemiology348▲ 1.21×126 topics
  3. Inflammation250▲ 1.66×81 topics
  4. Machine Learning166▼ 0.70×76 topics
  5. Neural Networks157▲ 1.41×35 topics
  6. Treatment139▲ 1.58×48 topics
  7. Oxidative Stress134◆ 1.13×59 topics
  8. Quality of Life114◆ 1.09×49 topics
  9. Cancer113▲ 1.16×51 topics
  10. Chemotherapy112▲ 2.2×24 topics
  11. Biomedical Applications112▲ 1.30×36 topics
  12. Diagnosis106▲ 1.58×39 topics
  13. Cardiovascular Disease100▲ 1.24×38 topics
  14. Immunotherapy99▲ 1.92×18 topics
  15. Biosensors98▲ 2.6×12 topics
  16. Clinical Practice Guidelines92▲ 2.3×14 topics
  17. Metabolic Syndrome81▲ 1.37×23 topics
  18. Virtual Reality78▲ 2.1×16 topics
  19. Prognostic Factors77▲ 2.4×14 topics
  20. Neurological Disorders75▲ 1.83×20 topics
  21. Genetic Mutations74▲ 2.4×23 topics
  22. Surgical Management68▲ 2.3×20 topics
  23. Aging67▲ 1.72×18 topics
  24. Autoantibodies66▲ 3.9×8 topics
  25. Self-Assembly59▲ 2.5×12 topics
  26. Survival Analysis58▲ 2.9×7 topics
  27. Neoadjuvant Therapy58▲ 3.4×5 topics
  28. Molecular Characterization57▲ 4.5×6 topics
  29. Endoscopic Resection56▲ 7.8×2 topics
  30. Haptic Interfaces54▲ 13×2 topics
  31. Regenerative Medicine53▲ 2.9×6 topics
  32. Entanglement47▲ 4.3×4 topics
  33. Embodiment46▲ 3.4×6 topics
  34. Convolutional Networks41▲ 4.1×3 topics
  35. Robotic Manipulators41▲ 5.8×3 topics
  36. Virtual Environments40▲ 17×2 topics
  37. Gastric Cancer39▲ 4.8×3 topics
  38. Microcavities39▲ 4.8×2 topics
  39. Nanophotonic Waveguides37▲ 5.2×1 topic
  40. Whispering Gallery Mode37▲ 5.2×1 topic

Which research topics does Keio University publish most on?

By volume in 2022–2025: Photonic and Optical Devices, Gastric Cancer Management and Outcomes, Tactile and Sensory Interactions and Virtual Reality Applications and Impacts.

Photonic and Optical Dev…37Photonic and Optical Devices: 37 fractional worksGastric Cancer Managemen…31Gastric Cancer Management and Outcomes: 31 fractional worksTactile and Sensory Interactions: 28 fractional worksVirtual Reality Applications and Impacts: 28 fractional worksTeleoperation and Haptic Systems: 27 fractional worksRobot Manipulation and Learning: 26 fractional worksEsophageal Cancer Research and Treatment: 25 fractional worksQuantum Computing Algori…23Quantum Computing Algorithms and Architecture: 23 fractional worksSemiconductor Lasers and Optical Devices: 22 fractional worksAdvanced Sensor and Energy Harvesting Materials: 22 fractional works
Electrical and Electronic EngineeringPulmonary and Respiratory MedicineCognitive NeuroscienceHuman-Computer Interaction5 others

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

  1. 1 Photonic and Optical Devices Electrical and Electronic Engineering 37 works
  2. 2 Gastric Cancer Management and Outcomes Pulmonary and Respiratory Medicine 31 works
  3. 3 Tactile and Sensory Interactions Cognitive Neuroscience 28 works
  4. 4 Virtual Reality Applications and Impacts Human-Computer Interaction 28 works
  5. 5 Teleoperation and Haptic Systems Mechanical Engineering 27 works
  6. 6 Robot Manipulation and Learning Control and Systems Engineering 26 works
  7. 7 Esophageal Cancer Research and Treatment Surgery 25 works
  8. 8 Quantum Computing Algorithms and Architecture Artificial Intelligence 23 works
  9. 9 Semiconductor Lasers and Optical Devices Electrical and Electronic Engineering 22 works
  10. 10 Advanced Sensor and Energy Harvesting Materials Biomedical Engineering 22 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 available39.4%not open60.6%

World: 28% of research is openly available.

with international co-authors10.0%domestic only90.0%

World: 19% is written across borders.

How has Keio University's research output changed?

Output in 2018–2022 was 5% lower 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 Tokyo

All research institutions in Tokyo

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.