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University · Tokyo · Japan

Toho University

In research, Toho University stands highest in Medicine (#1,702 of 10,443 worldwide), Health Sciences (#2,316 of 11,982 worldwide) and Life Sciences (#2,653 of 7,800 worldwide), 2022–2025. Relative to its size it is most specialised in Cardiology and Cardiovascular Medicine — Cardiology and Cardiovascular Medicine is 6.4× its share of world research.

global.toho-u.ac.jpROR OpenAlex
World rank, 2022–2025
#4,268
of 28,054 · #3,684 all time
Rank in Japan
#87
of 1,070
Research works
15k
▲ 4% vs 2013–17
Citations
198k
13.2 per fractional work
Top-10% rate
8.0%
record average 16.5%
Open access
46%
world 28%

What is Toho 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 #1,702 of 10,443 7.9%823 #1949
Health SciencesDomain #2,316 of 11,982 7.9%865 #2458
Life SciencesDomain #2,653 of 7,800 10.1%263 #1972
Physical SciencesDomain #4,452 of 12,888 6.7%344 #3641
Biochemistry, Genetics and Molecular BiologyField #2,305 of 3,579 9.2%157 #2029
Computer ScienceField #3,316 of 4,667 3.6%64 #3485
SurgerySubfield #1,321 of 1,816 6.5%119 #1292
Pulmonary and Respiratory MedicineSubfield #862 of 1,144 9.8%90 #1099
Cardiology and Cardiovascular MedicineSubfield #651 of 738 4.9%103 #754
Molecular BiologySubfield #2,047 of 2,175 8.6%86 #2188

Each strip is that field’s whole ranked pool, with the notch where Toho 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#1,949 #1,702
  2. Health Sciences#2,458 #2,316
  3. Life Sciences#1,972 #2,653
  4. Physical Sciences#3,641 #4,452
  5. Biochemistry, Genetics and Molecular Biology#2,029 #2,305
  6. Computer Science#3,485 #3,316
  7. Surgery#1,292 #1,321
  8. Pulmonary and Respiratory Medicine#1,099 #862
  9. Cardiology and Cardiovascular Medicine#754 #651
  10. Molecular Biology#2,188 #2,047
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 Toho University specialise in?

Where its research is concentrated relative to its size: Cardiology and Cardiovascular Medicine takes 6.4× the share of its output that it takes of world research.

  1. Cardiology and Cardiovascular MedicineSubfield · 103.3 works6.4×
← 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: 0.31× its world share, 23 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 1.92× its world share, 157 worksBiochemistry, Geneti…Immunology and Microbiology: 1.68× its world share, 26 worksImmunology and Micro…Neuroscience: 1.80× its world share, 45 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 2.52× its world share, 14 worksPharmacology, Toxico…Chemical Engineering: 0.53× its world share, 3 worksChemical EngineeringChemistry: 2.12× its world share, 51 worksChemistryComputer Science: 0.54× its world share, 64 worksComputer ScienceEarth and Planetary Sciences: 0.32× its world share, 8 worksEarth and Planetary …Energy: 0.06× its world share, 1 worksEnergyEngineering: 0.33× its world share, 75 worksEngineeringEnvironmental Science: 0.48× its world share, 36 worksEnvironmental ScienceMaterials Science: 0.57× its world share, 31 worksMaterials ScienceMathematics: 2.28× its world share, 41 worksMathematicsPhysics and Astronomy: 1.03× its world share, 35 worksPhysics and AstronomyDentistry: 0.18× its world share, 1 worksDentistryHealth Professions: 0.66× its world share, 27 worksHealth ProfessionsMedicine: 2.80× its world share, 823 worksMedicineNursing: 1.32× its world share, 10 worksNursingVeterinary: 1.72× its world share, 4 worksVeterinaryArts and Humanities: 0.10× its world share, 4 worksArts and HumanitiesBusiness, Management and Accounting: 0.03× its world share, 2 worksBusiness, Management…Decision Sciences: 0.23× its world share, 3 worksDecision SciencesEconomics, Econometrics and Finance: 0.27× its world share, 9 worksEconomics, Econometr…Psychology: 0.39× its world share, 18 worksPsychologySocial Sciences: 0.11× its world share, 21 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Medicine, 2.8×. Every wedge is a field page.

Who are the top researchers at Toho University?

Ranked on the composite score, Ippei Watanabe, Kei Takahashi and Taichi Ohmoto lead among researchers whose main affiliation is Toho University.

  1. 1 Ippei Watanabe · #14,707 worldwide 2.5k citations · 42 works
  2. 2 Kei Takahashi · #71,941 worldwide 210 citations · 36 works
  3. 3 Taichi Ohmoto · #118,984 worldwide 150 citations · 43 works
  4. 4 Tamotsu Nikaido · #125,358 worldwide 131 citations · 40 works
  5. 5 Akira Ohara · #132,718 worldwide 136 citations · 41 works
  6. 6 Masafumi Tamura · #136,228 worldwide 319 citations · 62 works
  7. 7 Yoshinobu Sumiyama · #150,588 worldwide 133 citations · 45 works
  8. 8 Kazumasa Miki · #161,324 worldwide 198 citations · 55 works
  9. 9 Tsutomu Saji · #167,272 worldwide 134 citations · 43 works
  10. 10 Takahisa Hirose · #168,456 worldwide 136 citations · 30 works
All ranked researchers at Toho University

Which keywords describe research at Toho University?

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

▲ 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. Epidemiology132▲ 2.2×111 topics
  2. Inflammation87▲ 2.7×73 topics
  3. Treatment64▲ 3.5×47 topics
  4. Oxidative Stress59▲ 2.4×51 topics
  5. Diagnosis54▲ 3.8×37 topics
  6. Cardiovascular Disease50▲ 2.9×34 topics
  7. Cancer42▲ 2.0×49 topics
  8. Quality of Life40▲ 1.80×38 topics
  9. Risk Factors39▲ 2.4×29 topics
  10. Chemotherapy37▲ 3.5×22 topics
  11. Guidelines36▲ 5.0×13 topics
  12. Clinical Practice Guidelines34▲ 4.1×14 topics
  13. Heart Failure31▲ 4.7×13 topics
  14. Immunotherapy28▲ 2.6×18 topics
  15. Obesity28▲ 2.4×20 topics
  16. Management27▲ 2.3×26 topics
  17. Neurological Disorders27▲ 3.1×18 topics
  18. Arrhythmias26▲ 19×2 topics
  19. Ion Channels26▲ 16×4 topics
  20. Genetics26▲ 2.4×21 topics
  21. Echocardiography25▲ 6.0×8 topics
  22. Cardiovascular Risk23▲ 4.9×9 topics
  23. Catheter Ablation23▲ 12×2 topics
  24. Sudden Cardiac Death22▲ 17×2 topics
  25. Antibiotic Resistance22▲ 3.7×13 topics
  26. Calcium Signaling20▲ 18×4 topics
  27. Hypertension20▲ 4.5×14 topics
  28. Prognosis20▲ 3.9×9 topics
  29. Autoantibodies19▲ 5.4×8 topics
  30. Atherosclerosis19▲ 4.4×11 topics
  31. Genetic Testing19▲ 11×3 topics
  32. Semidefinite Programming18▲ 50×2 topics
  33. Endothelial Dysfunction18▲ 5.0×8 topics
  34. Stroke Prevention17▲ 9.4×2 topics
  35. Cardiac Electrophysiology17▲ 25×1 topic
  36. Long-QT Syndrome17▲ 25×1 topic
  37. Anticoagulant Therapy15▲ 7.7×4 topics
  38. Radiofrequency Ablation15▲ 9.1×2 topics
  39. FFT14▲ 148×1 topic
  40. Filter Banks14▲ 148×1 topic

Which research topics does Toho University publish most on?

By volume in 2022–2025: Cardiac electrophysiology and arrhythmias, Digital Filter Design and Implementation, Atrial Fibrillation Management and Outcomes and Cardiac Arrhythmias and Treatments.

Cardiac electrophysiolog…17Cardiac electrophysiology and arrhythmias: 17 fractional worksDigital Filter Design an…14Digital Filter Design and Implementation: 14 fractional worksAtrial Fibrillation Mana…13Atrial Fibrillation Management and Outcomes: 13 fractional worksCardiac Arrhythmias and …10Cardiac Arrhythmias and Treatments: 10 fractional worksCardiovascular Function and Risk Factors: 9 fractional worksAdvanced Adaptive Filtering Techniques: 8 fractional worksCardiac Imaging and Diag…8Cardiac Imaging and Diagnostics: 8 fractional worksOptimization and Variational Analysis: 7 fractional worksFixed Point Theorems Analysis: 7 fractional worksInterstitial Lung Diseas…7Interstitial Lung Diseases and Idiopathic Pulmonary Fibrosis: 7 fractional works
Cardiology and Cardiovascular MedicineSignal ProcessingComputational MechanicsRadiology, Nuclear Medicine and Imaging3 others

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

  1. 1 Cardiac electrophysiology and arrhythmiasCardiology and Cardiovascular Medicine 17 works
  2. 2 Digital Filter Design and ImplementationSignal Processing 14 works
  3. 3 Atrial Fibrillation Management and OutcomesCardiology and Cardiovascular Medicine 13 works
  4. 4 Cardiac Arrhythmias and TreatmentsCardiology and Cardiovascular Medicine 10 works
  5. 5 Cardiovascular Function and Risk FactorsCardiology and Cardiovascular Medicine 9 works
  6. 6 Advanced Adaptive Filtering TechniquesComputational Mechanics 8 works
  7. 7 Cardiac Imaging and DiagnosticsRadiology, Nuclear Medicine and Imaging 8 works
  8. 8 Optimization and Variational AnalysisComputational Theory and Mathematics 7 works
  9. 9 Fixed Point Theorems AnalysisGeometry and Topology 7 works
  10. 10 Interstitial Lung Diseases and Idiopathic Pulmonary FibrosisPulmonary and Respiratory Medicine 7 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 available45.5%not open54.5%

World: 28% of research is openly available.

with international co-authors8.0%domestic only92.0%

World: 19% is written across borders.

How has Toho University's research output changed?

Output in 2018–2022 was 4% 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 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.