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University · Kōryō Chō · Japan

Kio University

In research, Kio University stands highest in Health Sciences (#6,976 of 16,688 worldwide) and Medicine (#7,565 of 14,558 worldwide), over all time.

kio.ac.jpROR OpenAlex
World rank, 2022-now
#17,569
of 22,385 · #21,798 all time
Rank in Japan
#537
of 924
Research works
443
▲ 6% vs 2018-21
Citations
4.2k
9.5 per fractional work
Top-10% rate
5.0%
all institutions 10.0%
vs its own fields
0.90×
1.00× is exactly expected
Open access
66%
world 40%
International
11%
world 18%
Kio University

What is Kio University known for in research?

The fields where it stands highest, over all time, ranked among every institution above the floor in each field.

FieldWorld rankWhere that sitsTop-10% rateWorks
Health SciencesDomain #6,976 of 16,688 4.9%230
MedicineField #7,565 of 14,558 5.1%184

Each strip is that field's whole ranked pool, with the notch where Kio 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 average mark, because the average differs by field (from about 6% in Dentistry to 21% in Economics).

Which fields of science does Kio University work in?

In 2022-now, 51% of research at Kio University is in Health Sciences, 18% in Social Sciences. Its largest fields are Medicine (41%), Neuroscience (13%), Psychology (8%). It does 2.1× the world's share of Health Sciences.

Health Sciences: 63 fractional works · 50.8% of its workMedicine: 52 fractional works · 41.4% of its workPhysiology: 6 fractional works · 4.8% of its workPsychiatry and Mental health: 5 fractional works · 4.3% of its workNeurology: 5 fractional works · 3.6% of its workRehabilitation: 4 fractional works · 3.5% of its workPharmacology: 4 fractional works · 3.2% of its workPublic Health, Environmental and Occupational Health: 4 fractional works · 3.0% of its workEpidemiology: 4 fractional works · 2.8% of its workSurgery: 3 fractional works · 2.6% of its workOrthopedics and Sports Medicine: 3 fractional works · 2.0% of its workPathology and Forensic Medicine: 2 fractional works · 1.5% of its workCardiology and Cardiovascular Medicine: 2 fractional works · 1.3% of its workAnesthesiology and Pain Medicine: 2 fractional works · 1.2% of its workGeriatrics and Gerontology: 1 fractional works · 1.0% of its workComplementary and alternative medicine: 1 fractional works · 1.0% of its workPulmonary and Respiratory Medicine: 1 fractional works · 0.8% of its workRheumatology: 1 fractional works · 0.7% of its workPediatrics, Perinatology and Child Health: 1 fractional works · 0.5% of its workCritical Care and Intensive Care Medicine: 1 fractional works · 0.5% of its workEndocrinology, Diabetes and Metabolism: 0 fractional works · 0.3% of its workBiochemistry: 0 fractional works · 0.3% of its workInfectious Diseases: 0 fractional works · 0.3% of its workRadiology, Nuclear Medicine and Imaging: 0 fractional works · 0.3% of its workNephrology: 0 fractional works · 0.3% of its workOncology: 0 fractional works · 0.3% of its workGenetics: 0 fractional works · 0.2% of its workObstetrics and Gynecology: 0 fractional works · 0.2% of its workOphthalmology: 0 fractional works · 0.2% of its workReproductive Medicine: 0 fractional works · 0.2% of its workSmaller subfields together: 1 fractional works · 0.5% of its workHealth Professions: 9 fractional works · 7.0% of its workPhysical Therapy, Sports Therapy and Rehabilitation: 5 fractional works · 4.2% of its workGeneral Health Professions: 1 fractional works · 1.2% of its workOccupational Therapy: 1 fractional works · 0.6% of its workHealth Information Management: 0 fractional works · 0.3% of its workEmergency Medical Services: 0 fractional works · 0.3% of its workComplementary and Manual Therapy: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.2% of its workNursing: 3 fractional works · 2.2% of its workNutrition and Dietetics: 3 fractional works · 2.1% of its workSmaller subfields together: 0 fractional works · 0.0% of its workDentistry: 0 fractional works · 0.2% of its workSocial Sciences: 22 fractional works · 17.7% of its workPsychology: 10 fractional works · 7.7% of its workDevelopmental and Educational Psychology: 3 fractional works · 2.5% of its workSocial Psychology: 3 fractional works · 2.3% of its workClinical Psychology: 3 fractional works · 2.0% of its workExperimental and Cognitive Psychology: 1 fractional works · 0.8% of its workSmaller subfields together: 0 fractional works · 0.1% of its workSocial Sciences: 8 fractional works · 6.0% of its workSociology and Political Science: 2 fractional works · 1.9% of its workEducation: 2 fractional works · 1.2% of its workCultural Studies: 1 fractional works · 0.5% of its workPolitical Science and International Relations: 1 fractional works · 0.5% of its workTransportation: 1 fractional works · 0.5% of its workSafety Research: 1 fractional works · 0.4% of its workGeneral Social Sciences: 0 fractional works · 0.3% of its workHealth: 0 fractional works · 0.2% of its workSmaller subfields together: 1 fractional works · 0.4% of its workArts and Humanities: 4 fractional works · 3.1% of its workLiterature and Literary Theory: 3 fractional works · 2.7% of its workSmaller subfields together: 0 fractional works · 0.4% of its workDecision Sciences: 1 fractional works · 0.4% of its workInformation Systems and Management: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.1% of its workEconomics, Econometrics and Finance: 0 fractional works · 0.3% of its workEconomics and Econometrics: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.1% of its workBusiness, Management and Accounting: 0 fractional works · 0.2% of its workLife Sciences: 21 fractional works · 16.5% of its workNeuroscience: 16 fractional works · 12.9% of its workCognitive Neuroscience: 7 fractional works · 5.8% of its workNeurology: 5 fractional works · 3.6% of its workCellular and Molecular Neuroscience: 2 fractional works · 1.3% of its workSensory Systems: 2 fractional works · 1.3% of its workEndocrine and Autonomic Systems: 1 fractional works · 0.5% of its workBehavioral Neuroscience: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.1% of its workBiochemistry, Genetics and Molecular Biology: 3 fractional works · 2.3% of its workMolecular Biology: 2 fractional works · 1.3% of its workGenetics: 0 fractional works · 0.4% of its workCell Biology: 0 fractional works · 0.3% of its workBiochemistry: 0 fractional works · 0.3% of its workAgricultural and Biological Sciences: 2 fractional works · 1.2% of its workFood Science: 1 fractional works · 0.9% of its workSmaller subfields together: 0 fractional works · 0.3% of its workImmunology and Microbiology: 0 fractional works · 0.1% of its workPhysical Sciences: 19 fractional works · 15.1% of its workEngineering: 9 fractional works · 7.5% of its workElectrical and Electronic Engineering: 5 fractional works · 3.8% of its workBiomedical Engineering: 3 fractional works · 2.0% of its workMechanics of Materials: 1 fractional works · 0.9% of its workAerospace Engineering: 1 fractional works · 0.6% of its workSmaller subfields together: 0 fractional works · 0.3% of its workComputer Science: 5 fractional works · 4.4% of its workHuman-Computer Interaction: 1 fractional works · 1.0% of its workInformation Systems: 1 fractional works · 0.9% of its workComputer Networks and Communications: 1 fractional works · 0.7% of its workComputational Theory and Mathematics: 1 fractional works · 0.5% of its workComputer Vision and Pattern Recognition: 1 fractional works · 0.4% of its workArtificial Intelligence: 1 fractional works · 0.4% of its workComputer Science Applications: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.2% of its workEnvironmental Science: 2 fractional works · 1.2% of its workEcology: 1 fractional works · 0.5% of its workNature and Landscape Conservation: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.4% of its workMaterials Science: 1 fractional works · 0.9% of its workPolymers and Plastics: 1 fractional works · 0.7% of its workMaterials Chemistry: 0 fractional works · 0.2% of its workMathematics: 1 fractional works · 0.5% of its workApplied Mathematics: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.3% of its workPhysics and Astronomy: 1 fractional works · 0.5% of its workAtomic and Molecular Physics, and Optics: 1 fractional works · 0.5% of its workChemistry: 0 fractional works · 0.1% of its workALL ITS WORKKio University125fractional works, 2022-now
Life Sciences16%Physical Sciences15%Health Sciences51%Social Sciences18%

Each ring splits the one inside it: the four domains of science, their fields, their subfields. Size is fractional works in 2022-now. Every slice is a page; the interactive view zooms down to single topics and colours each by how much more of it this institution does than the world.

Its 4 domains and 21 fields, with their numbers
    1. Medicine5241.4%
    2. Health Professions97.0%
    3. Nursing32.2%
    4. Dentistry00.2%
    1. Psychology107.7%
    2. Social Sciences86.0%
    3. Arts and Humanities43.1%
    4. Decision Sciences10.4%
    5. Economics, Econometrics and Finance00.3%
    6. Business, Management and Accounting00.2%
    1. Neuroscience1612.9%
    2. Biochemistry, Genetics and Molecular Biology32.3%
    3. Agricultural and Biological Sciences21.2%
    4. Immunology and Microbiology00.1%
    1. Engineering97.5%
    2. Computer Science54.4%
    3. Environmental Science21.2%
    4. Materials Science10.9%
    5. Mathematics10.5%
    6. Physics and Astronomy10.5%
    7. Chemistry00.1%
All of science, and how each field's share has moved since 1950: the Science domain explorer

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: 0.25× its world share, 2 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.43× its world share, 3 worksBiochemistry, Geneti…Immunology and Microbiology: 0.09× its world share, 0 worksImmunology and Micro…Neuroscience: 7.95× its world share, 16 worksNeuroscienceChemistry: 0.06× its world share, 0 worksChemistryComputer Science: 0.56× its world share, 6 worksComputer ScienceEngineering: 0.50× its world share, 9 worksEngineeringEnvironmental Science: 0.25× its world share, 2 worksEnvironmental ScienceMaterials Science: 0.25× its world share, 1 worksMaterials ScienceMathematics: 0.45× its world share, 1 worksMathematicsPhysics and Astronomy: 0.21× its world share, 1 worksPhysics and AstronomyDentistry: 0.46× its world share, 0 worksDentistryHealth Professions: 2.64× its world share, 9 worksHealth ProfessionsMedicine: 2.15× its world share, 52 worksMedicineNursing: 4.47× its world share, 3 worksNursingArts and Humanities: 1.06× its world share, 4 worksArts and HumanitiesBusiness, Management and Accounting: 0.05× its world share, 0 worksBusiness, Management…Decision Sciences: 0.44× its world share, 0 worksDecision SciencesEconomics, Econometrics and Finance: 0.14× its world share, 0 worksEconomics, Econometr…Psychology: 2.54× its world share, 10 worksPsychologySocial Sciences: 0.48× its world share, 8 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Neuroscience, 8.0×. Every wedge is a field page.

All 21 fields, with their numbers
  1. Neuroscience7.95×16 works
  2. Nursing4.47×3 works
  3. Health Professions2.64×9 works
  4. Psychology2.54×10 works
  5. Medicine2.15×52 works
  6. Arts and Humanities1.06×4 works
  7. Computer Science0.56×6 works
  8. Engineering0.50×9 works
  9. Social Sciences0.48×8 works
  10. Dentistry0.46×0 works
  11. Mathematics0.45×1 works
  12. Decision Sciences0.44×0 works
  13. Biochemistry, Genetics and Molecular Biology0.43×3 works
  14. Agricultural and Biological Sciences0.25×2 works
  15. Environmental Science0.25×2 works
  16. Materials Science0.25×1 works
  17. Physics and Astronomy0.21×1 works
  18. Economics, Econometrics and Finance0.14×0 works
  19. Immunology and Microbiology0.09×0 works
  20. Chemistry0.06×0 works
  21. Business, Management and Accounting0.05×0 works

Who are the top researchers at Kio University?

Ranked on the quality score, Fujio Inui, Yoko Matsumura and Shin-ichi Kayano lead among researchers whose main affiliation is Kio University.

  1. 1 Fujio Inui Japan · #1,175,689 worldwide 639 citations · 18 works
  2. 2 Yoko Matsumura Japan · #1,290,197 worldwide 1.5k citations · 33 works
  3. 3 Shin-ichi Kayano Japan · #2,032,842 worldwide 1.2k citations · 26 works
  4. 4 Naomi Yamasaki Japan · #2,262,847 worldwide 720 citations · 23 works
  5. 5 Janet Maro Japan · #2,504,295 worldwide 69 citations · 16 works
  6. 6 Makoto Hiyamizu Japan · #2,778,503 worldwide 613 citations · 37 works
  7. 7 Hideyuki Urakami Japan · #2,785,572 worldwide 275 citations · 17 works
  8. 8 Yuki Nishi Japan · #2,832,423 worldwide 2.3k citations · 145 works
  9. 9 Naomichi Mizuta Japan · #3,216,779 worldwide 139 citations · 22 works
  10. 10 Daisuke Matsumoto Japan · #3,248,971 worldwide 2k citations · 142 works
All ranked researchers at Kio University

What are the most cited papers from Kio University?

The most cited paper from Kio University is "Differences in genetic and environmental variation in adult BMI by sex, age, time period, and region: an individual-based pooled analysis of 40 twin cohorts" (Karri Silventoinen et al., 2017), with 165 citations. Next come "Randomized Placebo-Controlled and Controlled Non-Inferiority Phase III Trials Comparing Trafermin, a Recombinant Human Fibroblast Growth Factor 2, and Enamel Matrix Derivative in Periodontal Regeneration in Intrabony Defects" (147) and "Effects of dual task balance training on dual task performance in elderly people: a randomized controlled trial" (146).

Most cited papers
#PaperReleasedCitations
1 Differences in genetic and environmental variation in adult BMI by sex, age, time period, and region: an individual-based pooled analysis of 40 twin cohorts Karri Silventoinen et al. · American Journal of Clinical Nutrition Open access102 authors 5 Jul 2017 165
2 Randomized Placebo-Controlled and Controlled Non-Inferiority Phase III Trials Comparing Trafermin, a Recombinant Human Fibroblast Growth Factor 2, and Enamel Matrix Derivative in Periodontal Regeneration in Intrabony Defects Masahiro Kitamura et al. · Journal of Bone and Mineral Research Open access 7 Nov 2015 147
3 Effects of dual task balance training on dual task performance in elderly people: a randomized controlled trial Makoto Hiyamizu, Shu Morioka, Koji Shomoto et al. · Clinical Rehabilitation 18 Mar 2011 146
4 Genetic and environmental variation in educational attainment: an individual-based analysis of 28 twin cohorts Karri Silventoinen et al. · Scientific Reports Open access 29 Jul 2020 136
5 Influence of transcranial direct current stimulation of the dorsolateral prefrontal cortex on pain related emotions: A study using electroencephalographic power spectrum analysis Hiroshi Maeoka, Atsushi Matsuo, Makoto Hiyamizu et al. · Neuroscience Letters 4 Feb 2012 122
All 60 most cited papers, with filters and sorting

Which keywords describe research at Kio University?

By fractional works in 2022-now, weighted toward what it does more of than the world: Epidemiology, Neural Plasticity, Parkinson's Disease, Global Burden, Muscle Strength, Chronic Pain, Physical Performance and Functional Recovery.

▲ 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-now 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. Epidemiology16▲ 3.1×34 topics
  2. Neural Plasticity8▲ 33×4 topics
  3. Parkinson's Disease7▲ 23×6 topics
  4. Inflammation6▲ 2.4×18 topics
  5. Global Burden6▲ 9.4×6 topics
  6. Muscle Strength6▲ 44×4 topics
  7. Chronic Pain6▲ 22×3 topics
  8. Physical Performance6▲ 49×2 topics
  9. Functional Recovery6▲ 30×4 topics
  10. Neurological Disorders5▲ 7.5×12 topics
  11. Clinical Trials5▲ 6.3×3 topics
  12. Psychological Factors5▲ 19×4 topics
  13. Elderly5▲ 16×3 topics
  14. Functional Connectivity5▲ 27×3 topics
  15. Fall Risk5▲ 80×1 topic
  16. Gait Speed5▲ 80×1 topic
  17. Low Back Pain4▲ 20×3 topics
  18. Rehabilitation4▲ 8.7×10 topics
  19. Constraint-Induced Therapy4▲ 43×1 topic
  20. Motor Recovery4▲ 43×1 topic
  21. Physical Activity4▲ 6.9×7 topics
  22. Aging4▲ 6.0×8 topics
  23. Quality of Life4▲ 2.3×16 topics
  24. Disability4▲ 29×2 topics
  25. Health Status Questionnaires4▲ 41×1 topic
  26. Measurement Properties4▲ 41×1 topic
  27. Motor Control4▲ 25×3 topics
  28. Cerebellum4▲ 54×2 topics
  29. Neuropathic Pain4▲ 40×2 topics
  30. Central Sensitization3▲ 37×2 topics
  31. Colonialism3▲ 4.8×2 topics
  32. Poetry3▲ 69×2 topics
  33. Emotion Regulation3▲ 6.8×6 topics
  34. Transcranial Direct Current Stimulation3▲ 74×1 topic
  35. Transcranial Magnetic Stimulation3▲ 74×1 topic
  36. Interculturalism2▲ 170×1 topic
  37. Latin America2▲ 11×2 topics
  38. Mapuche2▲ 170×1 topic
  39. Neuroimaging2▲ 7.0×4 topics
  40. Neuroinflammation2▲ 6.7×3 topics

Which research topics does Kio University publish most on?

By volume in 2022-now: Balance, Gait, and Falls Prevention, Stroke Rehabilitation and Recovery, Musculoskeletal pain and rehabilitation and Transcranial Magnetic Stimulation Studies.

Balance, Gait, and Falls Prevention: 5 fractional worksStroke Rehabilitation and Recovery: 4 fractional worksMusculoskeletal pain and…4Musculoskeletal pain and rehabilitation: 4 fractional worksTranscranial Magnetic St…3Transcranial Magnetic Stimulation Studies: 3 fractional worksCultural and Social Studies in Latin America: 2 fractional worksCerebral Palsy and Movement Disorders: 2 fractional worksPain Mechanisms and Trea…2Pain Mechanisms and Treatments: 2 fractional worksBiochemical Analysis and…2Biochemical Analysis and Sensing Techniques: 2 fractional worksVestibular and auditory …2Vestibular and auditory disorders: 2 fractional worksMotor Control and Adapta…2Motor Control and Adaptation: 2 fractional works
Physical Therapy, Sports Therapy and RehabilitationRehabilitationPharmacologyNeurology5 others

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

  1. 1 Balance, Gait, and Falls Prevention Physical Therapy, Sports Therapy and Rehabilitation 5 works
  2. 2 Stroke Rehabilitation and Recovery Rehabilitation 4 works
  3. 3 Musculoskeletal pain and rehabilitation Pharmacology 4 works
  4. 4 Transcranial Magnetic Stimulation Studies Neurology 3 works
  5. 5 Cultural and Social Studies in Latin America Literature and Literary Theory 2 works
  6. 6 Cerebral Palsy and Movement Disorders Psychiatry and Mental health 2 works
  7. 7 Pain Mechanisms and Treatments Physiology 2 works
  8. 8 Biochemical Analysis and Sensing Techniques Nutrition and Dietetics 2 works
  9. 9 Vestibular and auditory disorders Neurology 2 works
  10. 10 Motor Control and Adaptation Cognitive Neuroscience 2 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 available66.4%not open33.6%

World: 40% of research is openly available.

with international co-authors11.1%domestic only88.9%

World: 18% is written across borders.

How has Kio University's research output changed?

Output in 2022-2025 was 6% higher than in 2018-2021.

still counting1990200020102020
grewheldshrank

The same series as a ribbon: one cell per year, darker for more. The line above answers how much; this answers when.

Its share of all research

Growing output can still be a shrinking share: all of science grows. This is Kio University as a percentage of every work published that year, 0.00038% in 2024.

still counting0.00050%0.0010%Kio University0.00055% in 202519801990200020102020

Fractional works of Kio University over all fractional works that year. How the balance of science has shifted.

How much of it reaches the world top 10%

Year by year, against all institutions in the same year.

still counting5%10%15%all institutions10.0% in 2025Kio University4.1% in 20252020

Of each year's output, the share that reached the world's 10% most cited for its field and year. Peak 7.9% in 2021.

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Kio University on Science Explorer

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