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University · Tokyo · Japan

Tokai University

In research, Tokai University stands highest in Medicine (#1,668 of 10,443 worldwide), Health Sciences (#2,271 of 11,982 worldwide) and Physical Sciences (#2,688 of 12,888 worldwide), 2022–2025. Relative to its size it is most specialised in Pathology and Forensic Medicine — Pathology and Forensic Medicine is 3.9× its share of world research.

u-tokai.ac.jpROR OpenAlex
World rank, 2022–2025
#2,507
of 28,054 · #1,568 all time
Rank in Japan
#36
of 1,070
Research works
24k
▼ 6% vs 2013–17
Citations
286k
11.8 per fractional work
Top-10% rate
10.0%
record average 16.5%
Open access
41%
world 28%

What is Tokai 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 #1,668 of 10,443 11.1%755 #1447
Health SciencesDomain #2,271 of 11,982 10.9%814 #1740
Physical SciencesDomain #2,688 of 12,888 6.2%788 #1640
Life SciencesDomain #2,295 of 7,800 10.4%255 #1266
Social SciencesDomain #3,335 of 10,521 19.9%225 #3842
SurgerySubfield #793 of 1,816 13.3%136 #919
EngineeringField #4,275 of 6,636 2.9%357 #1348
Biochemistry, Genetics and Molecular BiologyField #2,476 of 3,579 11.8%129 #1299
Environmental ScienceField #2,525 of 3,551 13.0%70 #2026
Pulmonary and Respiratory MedicineSubfield #913 of 1,144 9.0%87 #1041

Each strip is that field’s whole ranked pool, with the notch where Tokai 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#1,447 #1,668
  2. Health Sciences#1,740 #2,271
  3. Physical Sciences#1,640 #2,688
  4. Life Sciences#1,266 #2,295
  5. Social Sciences#3,842 #3,335
  6. Surgery#919 #793
  7. Engineering#1,348 #4,275
  8. Biochemistry, Genetics and Molecular Biology#1,299 #2,476
  9. Environmental Science#2,026 #2,525
  10. Pulmonary and Respiratory Medicine#1,041 #913
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 Tokai University specialise in?

Where its research is concentrated relative to its size: Pathology and Forensic Medicine takes 3.9× the share of its output that it takes of world research.

  1. Pathology and Forensic MedicineSubfield · 42.1 works3.9×
← 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: 0.32× its world share, 31 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 1.16× its world share, 129 worksBiochemistry, Geneti…Immunology and Microbiology: 1.56× its world share, 33 worksImmunology and Micro…Neuroscience: 1.44× its world share, 49 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 1.78× its world share, 13 worksPharmacology, Toxico…Chemical Engineering: 1.33× its world share, 10 worksChemical EngineeringChemistry: 0.68× its world share, 22 worksChemistryComputer Science: 0.77× its world share, 124 worksComputer ScienceEarth and Planetary Sciences: 0.90× its world share, 29 worksEarth and Planetary …Energy: 0.92× its world share, 18 worksEnergyEngineering: 1.14× its world share, 357 worksEngineeringEnvironmental Science: 0.68× its world share, 70 worksEnvironmental ScienceMaterials Science: 1.06× its world share, 77 worksMaterials ScienceMathematics: 1.21× its world share, 30 worksMathematicsPhysics and Astronomy: 1.11× its world share, 51 worksPhysics and AstronomyDentistry: 0.48× its world share, 5 worksDentistryHealth Professions: 0.72× its world share, 39 worksHealth ProfessionsMedicine: 1.89× its world share, 755 worksMedicineNursing: 1.06× its world share, 11 worksNursingVeterinary: 1.19× its world share, 3 worksVeterinaryArts and Humanities: 0.26× its world share, 15 worksArts and HumanitiesBusiness, Management and Accounting: 0.37× its world share, 25 worksBusiness, Management…Decision Sciences: 0.39× its world share, 8 worksDecision SciencesEconomics, Econometrics and Finance: 1.11× its world share, 50 worksEconomics, Econometr…Psychology: 0.60× its world share, 38 worksPsychologySocial Sciences: 0.34× its world share, 90 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Medicine, 1.9×. Every wedge is a field page.

Who are the top researchers at Tokai University?

Ranked on the composite score, Yukito Shinohara, Shinya Goto and Nobuhiro Suzuki lead among researchers whose main affiliation is Tokai University.

  1. 1 Yukito Shinohara Japan · #3,648 worldwide 928 citations · 73 works
  2. 2 Shinya Goto Japan · #8,347 worldwide 657 citations · 76 works
  3. 3 Nobuhiro Suzuki Japan · #22,396 worldwide 640 citations · 81 works
  4. 4 Paul K. Nakane Japan · #23,264 worldwide 688 citations · 40 works
  5. 5 Takayuki Asahara Japan · #26,343 worldwide 394 citations · 61 works
  6. 6 Sergei A. Kulinich Japan · #80,784 worldwide 301 citations · 25 works
  7. 7 Tomomitsu Hotta Japan · #89,882 worldwide 173 citations · 36 works
  8. 8 Misao Matsushita Japan · #105,238 worldwide 141 citations · 25 works
  9. 9 Hideto Sakai Japan · #138,102 worldwide 212 citations · 82 works
  10. 10 Shunichi Kato Japan · #140,431 worldwide 124 citations · 38 works
All ranked researchers at Tokai University

Which keywords describe research at Tokai University?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Epidemiology, Inflammation, Low Back Pain, Chemotherapy, Spinal Fusion, Diagnosis, Endoscopic Resection and Degenerative Disc Disease.

▲ 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. Epidemiology120▲ 1.46×110 topics
  2. Inflammation73▲ 1.67×75 topics
  3. Deep Learning58▼ 0.81×57 topics
  4. Treatment44▲ 1.74×42 topics
  5. Diagnosis42▲ 2.1×38 topics
  6. Oxidative Stress42▲ 1.22×55 topics
  7. Cardiovascular Disease40▲ 1.74×34 topics
  8. Chemotherapy39▲ 2.7×25 topics
  9. Renewable Energy36▲ 1.22×24 topics
  10. Clinical Practice Guidelines30▲ 2.7×14 topics
  11. Economic Growth29▲ 1.65×16 topics
  12. Prognostic Factors27▲ 3.0×13 topics
  13. Virtual Reality27▲ 2.6×14 topics
  14. Low Back Pain27▲ 7.5×4 topics
  15. Neurological Disorders26▲ 2.2×19 topics
  16. Guidelines25▲ 2.6×12 topics
  17. Surgery24▲ 3.2×10 topics
  18. Heart Failure23▲ 2.6×13 topics
  19. Neoadjuvant Therapy22▲ 4.6×5 topics
  20. Spinal Fusion22▲ 11×2 topics
  21. Energy Consumption22▲ 4.6×6 topics
  22. Endoscopic Resection22▲ 10×2 topics
  23. Surgical Treatment21▲ 5.1×6 topics
  24. Degenerative Disc Disease20▲ 10×2 topics
  25. Chronic Kidney Disease20▲ 4.0×8 topics
  26. Survival Analysis19▲ 3.3×7 topics
  27. CO2 Emissions18▲ 4.6×4 topics
  28. Financial Development18▲ 5.4×2 topics
  29. Panel Data Analysis18▲ 5.2×2 topics
  30. Rituximab17▲ 5.5×4 topics
  31. Environmental Regulation17▲ 5.4×2 topics
  32. Kuznets Curve17▲ 7.2×1 topic
  33. Trade Openness17▲ 7.2×1 topic
  34. Spinal Surgery16▲ 9.8×2 topics
  35. Preoperative Chemoradiotherapy16▲ 9.5×2 topics
  36. Intervertebral Disc15▲ 11×1 topic
  37. Lumbar Disc Degeneration15▲ 11×1 topic
  38. Gastric Cancer15▲ 6.3×3 topics
  39. Chemoradiation13▲ 9.9×2 topics
  40. Finite Element Method13▲ 6.6×6 topics

Which research topics does Tokai University publish most on?

By volume in 2022–2025: Energy, Environment, Economic Growth, Spine and Intervertebral Disc Pathology, Esophageal Cancer Research and Treatment and Engineering Applied Research.

Energy, Environment, Eco…17Energy, Environment, Economic Growth: 17 fractional worksSpine and Intervertebral…15Spine and Intervertebral Disc Pathology: 15 fractional worksEsophageal Cancer Resear…12Esophageal Cancer Research and Treatment: 12 fractional worksEngineering Applied Rese…11Engineering Applied Research: 11 fractional worksGastric Cancer Management and Outcomes: 10 fractional worksLymphoma Diagnosis and Treatment: 9 fractional worksAdvanced Thermoelectric …9Advanced Thermoelectric Materials and Devices: 9 fractional worksMilitary Technology and Strategies: 8 fractional worksLegal and Regulatory Analysis: 8 fractional worksLinguistic, Cultural, an…8Linguistic, Cultural, and Literary Studies: 8 fractional works
Economics and EconometricsPathology and Forensic MedicineSurgeryCivil and Structural Engineering5 others

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

  1. 1 Energy, Environment, Economic Growth Economics and Econometrics 17 works
  2. 2 Spine and Intervertebral Disc Pathology Pathology and Forensic Medicine 15 works
  3. 3 Esophageal Cancer Research and Treatment Surgery 12 works
  4. 4 Engineering Applied Research Civil and Structural Engineering 11 works
  5. 5 Gastric Cancer Management and Outcomes Pulmonary and Respiratory Medicine 10 works
  6. 6 Lymphoma Diagnosis and Treatment Pathology and Forensic Medicine 9 works
  7. 7 Advanced Thermoelectric Materials and Devices Materials Chemistry 9 works
  8. 8 Military Technology and Strategies Aerospace Engineering 8 works
  9. 9 Legal and Regulatory Analysis Transportation 8 works
  10. 10 Linguistic, Cultural, and Literary Studies Sociology and Political Science 8 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 available41.1%not open58.9%

World: 28% of research is openly available.

with international co-authors10.5%domestic only89.5%

World: 19% is written across borders.

How has Tokai University's research output changed?

Output in 2018–2022 was 6% 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.