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University · Kumamoto · Japan

Kyushu Tokai University

In research, Kyushu Tokai University stands highest in Engineering (#5,942 of 9,532 worldwide), Life Sciences (#7,465 of 11,023 worldwide) and Physical Sciences (#12,494 of 17,446 worldwide), over all time.

ktokai-u.ac.jpROR OpenAlex
World rank, 2022-now
#19,309
of 22,385 · #19,572 all time
Rank in Japan
#635
of 924
Research works
799
▲ 3% vs 2018-21
Citations
8.5k
10.6 per fractional work
Top-10% rate
9.4%
all institutions 10.0%
vs its own fields
0.97×
1.00× is exactly expected
Open access
43%
world 40%
International
15%
world 18%
Kyushu Tokai University

What is Kyushu Tokai 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
EngineeringField #5,942 of 9,532 5.6%175
Life SciencesDomain #7,465 of 11,023 4.6%277
Physical SciencesDomain #12,494 of 17,446 4.5%426
Biochemistry, Genetics and Molecular BiologyField #4,355 of 5,801 3.7%132

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

Which fields of science does Kyushu Tokai University work in?

In 2022-now, 50% of research at Kyushu Tokai University is in Life Sciences, 30% in Physical Sciences. Its largest fields are Biochemistry, Genetics and Molecular Biology (23%), Agricultural and Biological Sciences (16%), Medicine (13%). It does 3.2× the world's share of Life Sciences.

Life Sciences: 42 fractional works · 49.7% of its workBiochemistry, Genetics and Molecular Biology: 20 fractional works · 23.4% of its workMolecular Biology: 9 fractional works · 11.3% of its workClinical Biochemistry: 3 fractional works · 4.1% of its workGenetics: 3 fractional works · 3.7% of its workBiochemistry: 1 fractional works · 1.5% of its workCancer Research: 1 fractional works · 1.0% of its workCell Biology: 1 fractional works · 1.0% of its workBiotechnology: 0 fractional works · 0.3% of its workBiophysics: 0 fractional works · 0.3% of its workPhysiology: 0 fractional works · 0.3% of its workAgricultural and Biological Sciences: 14 fractional works · 16.2% of its workPlant Science: 6 fractional works · 7.3% of its workAgronomy and Crop Science: 3 fractional works · 3.4% of its workFood Science: 1 fractional works · 1.7% of its workInsect Science: 1 fractional works · 1.7% of its workEcology, Evolution, Behavior and Systematics: 1 fractional works · 0.7% of its workAnimal Science and Zoology: 1 fractional works · 0.7% of its workSoil Science: 0 fractional works · 0.4% of its workHorticulture: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.1% of its workNeuroscience: 5 fractional works · 6.3% of its workCognitive Neuroscience: 3 fractional works · 3.8% of its workNeurology: 2 fractional works · 1.8% of its workCellular and Molecular Neuroscience: 0 fractional works · 0.5% of its workSmaller subfields together: 0 fractional works · 0.2% of its workImmunology and Microbiology: 3 fractional works · 3.5% of its workImmunology: 3 fractional works · 3.4% of its workSmaller subfields together: 0 fractional works · 0.1% of its workPharmacology, Toxicology and Pharmaceutics: 0 fractional works · 0.2% of its workPharmacology: 0 fractional works · 0.2% of its workPhysical Sciences: 25 fractional works · 30.0% of its workEngineering: 9 fractional works · 10.8% of its workElectrical and Electronic Engineering: 3 fractional works · 3.7% of its workControl and Systems Engineering: 2 fractional works · 2.5% of its workBiomedical Engineering: 2 fractional works · 2.3% of its workAerospace Engineering: 1 fractional works · 1.2% of its workMechanical Engineering: 0 fractional works · 0.5% of its workCivil and Structural Engineering: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.3% of its workComputer Science: 5 fractional works · 5.9% of its workArtificial Intelligence: 2 fractional works · 2.1% of its workComputer Networks and Communications: 1 fractional works · 1.2% of its workComputational Theory and Mathematics: 1 fractional works · 0.9% of its workComputer Vision and Pattern Recognition: 1 fractional works · 0.8% of its workInformation Systems: 0 fractional works · 0.6% of its workSmaller subfields together: 0 fractional works · 0.2% of its workEnvironmental Science: 4 fractional works · 5.3% of its workHealth, Toxicology and Mutagenesis: 1 fractional works · 1.2% of its workWater Science and Technology: 1 fractional works · 1.1% of its workGlobal and Planetary Change: 1 fractional works · 0.9% of its workEcology: 1 fractional works · 0.6% of its workEnvironmental Engineering: 0 fractional works · 0.6% of its workPollution: 0 fractional works · 0.5% of its workEnvironmental Chemistry: 0 fractional works · 0.4% of its workMaterials Science: 3 fractional works · 3.3% of its workBiomaterials: 2 fractional works · 1.9% of its workMaterials Chemistry: 1 fractional works · 1.1% of its workSmaller subfields together: 0 fractional works · 0.2% of its workChemistry: 1 fractional works · 1.6% of its workOrganic Chemistry: 1 fractional works · 1.0% of its workAnalytical Chemistry: 0 fractional works · 0.5% of its workSmaller subfields together: 0 fractional works · 0.1% of its workMathematics: 1 fractional works · 1.3% of its workStatistics and Probability: 1 fractional works · 0.9% of its workApplied Mathematics: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.1% of its workEarth and Planetary Sciences: 1 fractional works · 1.3% of its workGeochemistry and Petrology: 1 fractional works · 0.7% of its workAtmospheric Science: 0 fractional works · 0.4% of its workEarth-Surface Processes: 0 fractional works · 0.2% of its workPhysics and Astronomy: 0 fractional works · 0.5% of its workNuclear and High Energy Physics: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.3% of its workEnergy: 0 fractional works · 0.1% of its workHealth Sciences: 12 fractional works · 14.8% of its workMedicine: 11 fractional works · 13.0% of its workEndocrinology, Diabetes and Metabolism: 1 fractional works · 1.7% of its workRadiology, Nuclear Medicine and Imaging: 1 fractional works · 1.5% of its workPhysiology: 1 fractional works · 1.3% of its workPublic Health, Environmental and Occupational Health: 1 fractional works · 1.2% of its workPulmonary and Respiratory Medicine: 1 fractional works · 1.2% of its workPathology and Forensic Medicine: 1 fractional works · 1.1% of its workOncology: 1 fractional works · 0.9% of its workReproductive Medicine: 0 fractional works · 0.5% of its workRheumatology: 0 fractional works · 0.5% of its workNephrology: 0 fractional works · 0.5% of its workPsychiatry and Mental health: 0 fractional works · 0.5% of its workHematology: 0 fractional works · 0.4% of its workPharmacology: 0 fractional works · 0.4% of its workEpidemiology: 0 fractional works · 0.4% of its workSurgery: 0 fractional works · 0.3% of its workPediatrics, Perinatology and Child Health: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.4% of its workNursing: 1 fractional works · 1.1% of its workNutrition and Dietetics: 1 fractional works · 0.7% of its workLeadership and Management: 0 fractional works · 0.4% of its workHealth Professions: 0 fractional works · 0.2% of its workVeterinary: 0 fractional works · 0.2% of its workSmall Animals: 0 fractional works · 0.2% of its workDentistry: 0 fractional works · 0.2% of its workSocial Sciences: 5 fractional works · 5.5% of its workPsychology: 2 fractional works · 2.3% of its workSocial Psychology: 1 fractional works · 0.8% of its workExperimental and Cognitive Psychology: 1 fractional works · 0.7% of its workClinical Psychology: 0 fractional works · 0.6% of its workSmaller subfields together: 0 fractional works · 0.2% of its workSocial Sciences: 1 fractional works · 0.9% of its workPolitical Science and International Relations: 0 fractional works · 0.4% of its workSmaller subfields together: 0 fractional works · 0.5% of its workEconomics, Econometrics and Finance: 1 fractional works · 0.8% of its workEconomics and Econometrics: 0 fractional works · 0.5% of its workSmaller subfields together: 0 fractional works · 0.4% of its workArts and Humanities: 1 fractional works · 0.8% of its workHistory: 0 fractional works · 0.4% of its workReligious studies: 0 fractional works · 0.4% of its workDecision Sciences: 1 fractional works · 0.7% of its workManagement Science and Operations Research: 0 fractional works · 0.5% of its workStatistics, Probability and Uncertainty: 0 fractional works · 0.2% of its workALL ITS WORKKyushu TokaiUniversity84fractional works, 2022-now
Life Sciences50%Physical Sciences30%Health Sciences15%Social Sciences6%

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 24 fields, with their numbers
    1. Biochemistry, Genetics and Molecular Biology2023.4%
    2. Agricultural and Biological Sciences1416.2%
    3. Neuroscience56.3%
    4. Immunology and Microbiology33.5%
    5. Pharmacology, Toxicology and Pharmaceutics00.2%
    1. Engineering910.8%
    2. Computer Science55.9%
    3. Environmental Science45.3%
    4. Materials Science33.3%
    5. Chemistry11.6%
    6. Mathematics11.3%
    7. Earth and Planetary Sciences11.3%
    8. Physics and Astronomy00.5%
    9. Energy00.1%
    1. Medicine1113.0%
    2. Nursing11.1%
    3. Health Professions00.2%
    4. Veterinary00.2%
    5. Dentistry00.2%
    1. Psychology22.3%
    2. Social Sciences10.9%
    3. Economics, Econometrics and Finance10.8%
    4. Arts and Humanities10.8%
    5. Decision Sciences10.7%
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: 3.42× its world share, 14 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 4.39× its world share, 20 worksBiochemistry, Geneti…Immunology and Microbiology: 3.52× its world share, 3 worksImmunology and Micro…Neuroscience: 3.87× its world share, 5 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 0.60× its world share, 0 worksPharmacology, Toxico…Chemistry: 0.99× its world share, 1 worksChemistryComputer Science: 0.75× its world share, 5 worksComputer ScienceEarth and Planetary Sciences: 0.83× its world share, 1 worksEarth and Planetary …Energy: 0.07× its world share, 0 worksEnergyEngineering: 0.72× its world share, 9 worksEngineeringEnvironmental Science: 1.07× its world share, 4 worksEnvironmental ScienceMaterials Science: 0.95× its world share, 3 worksMaterials ScienceMathematics: 1.13× its world share, 1 worksMathematicsPhysics and Astronomy: 0.22× its world share, 0 worksPhysics and AstronomyDentistry: 0.41× its world share, 0 worksDentistryHealth Professions: 0.08× its world share, 0 worksHealth ProfessionsMedicine: 0.68× its world share, 11 worksMedicineNursing: 2.30× its world share, 1 worksNursingVeterinary: 1.56× its world share, 0 worksVeterinaryArts and Humanities: 0.28× its world share, 1 worksArts and HumanitiesDecision Sciences: 0.77× its world share, 1 worksDecision SciencesEconomics, Econometrics and Finance: 0.39× its world share, 1 worksEconomics, Econometr…Psychology: 0.75× its world share, 2 worksPsychologySocial Sciences: 0.07× its world share, 1 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Biochemistry, Genetics and Molecular Biology, 4.4×. Every wedge is a field page.

All 24 fields, with their numbers
  1. Biochemistry, Genetics and Molecular Biology4.39×20 works
  2. Neuroscience3.87×5 works
  3. Immunology and Microbiology3.52×3 works
  4. Agricultural and Biological Sciences3.42×14 works
  5. Nursing2.30×1 works
  6. Veterinary1.56×0 works
  7. Mathematics1.13×1 works
  8. Environmental Science1.07×4 works
  9. Chemistry0.99×1 works
  10. Materials Science0.95×3 works
  11. Earth and Planetary Sciences0.83×1 works
  12. Decision Sciences0.77×1 works
  13. Computer Science0.75×5 works
  14. Psychology0.75×2 works
  15. Engineering0.72×9 works
  16. Medicine0.68×11 works
  17. Pharmacology, Toxicology and Pharmaceutics0.60×0 works
  18. Dentistry0.41×0 works
  19. Economics, Econometrics and Finance0.39×1 works
  20. Arts and Humanities0.28×1 works
  21. Physics and Astronomy0.22×0 works
  22. Health Professions0.08×0 works
  23. Energy0.07×0 works
  24. Social Sciences0.07×1 works

Who are the top researchers at Kyushu Tokai University?

Ranked on the quality score, Yan Shi, Hikari Sugawa and Saki Imai lead among researchers whose main affiliation is Kyushu Tokai University.

  1. 1 Yan Shi Japan · #741,826 worldwide 5.1k citations · 244 works
  2. 2 Hikari Sugawa Japan · #2,704,449 worldwide 466 citations · 39 works
  3. 3 Saki Imai Japan · #4,387,378 worldwide 292 citations · 32 works
  4. 4 Kenzo KOBAYASHI Japan · #4,413,404 worldwide 118 citations · 15 works
  5. 5 H. Tobioka Japan · #4,433,518 worldwide 137 citations · 23 works
  6. 6 Rajeev Pradhan Japan · #4,591,112 worldwide 77 citations · 17 works
  7. 7 Fukashi Koyanagi Japan · #4,601,943 worldwide 218 citations · 18 works
  8. 8 Shunsuke Oshima Japan · #4,954,609 worldwide 134 citations · 28 works
  9. 9 Takashi Samatsu Japan · #5,112,957 worldwide 57 citations · 15 works
  10. 10 Hiromasa Kobayashi Japan · #5,167,335 worldwide 223 citations · 22 works
All ranked researchers at Kyushu Tokai University

What are the most cited papers from Kyushu Tokai University?

The most cited paper from Kyushu Tokai University is "Nε-(Carboxymethyl)lysine Protein Adduct Is a Major Immunological Epitope in Proteins Modified with Advanced Glycation End Products of the Maillard Reaction" (Kazuyoshi Ikeda, Takayuki Higashi, Hiroyuki Sano et al., 1996), with 433 citations. Next come "Consensus Tracking Control of Switched Stochastic Nonlinear Multiagent Systems via Event-Triggered Strategy" (332) and "DPPH (1,1-Diphenyl-2-Picrylhydrazyl) Radical Scavenging Activity of Flavonoids Obtained from Some Medicinal Plants." (314).

Most cited papers
#PaperReleasedCitations
1 Nε-(Carboxymethyl)lysine Protein Adduct Is a Major Immunological Epitope in Proteins Modified with Advanced Glycation End Products of the Maillard Reaction Kazuyoshi Ikeda, Takayuki Higashi, Hiroyuki Sano et al. · Biochemistry 1996 433
2 Consensus Tracking Control of Switched Stochastic Nonlinear Multiagent Systems via Event-Triggered Strategy Wencheng Zou, Peng Shi, Zhengrong Xiang et al. · IEEE Transactions on Neural Networks and Learning Systems 11 Jun 2019 332
3 DPPH (1,1-Diphenyl-2-Picrylhydrazyl) Radical Scavenging Activity of Flavonoids Obtained from Some Medicinal Plants. Masafumi Okawa, Junei Kinjo, Toshihiro Nohara et al. · Biological and Pharmaceutical Bulletin Open access 2001 314
4 Refolding Techniques for Recovering Biologically Active Recombinant Proteins from Inclusion Bodies Hiroshi Yamaguchi, Masaya Miyazaki · Biomolecules Open access 20 Feb 2014 288
5 Involvement of a gut–retina axis in protection against dietary glycemia-induced age-related macular degeneration Sheldon Rowan et al. · Proceedings of the National Academy of Sciences Open access 15 May 2017 274
All 60 most cited papers, with filters and sorting

Which keywords describe research at Kyushu Tokai University?

By fractional works in 2022-now, weighted toward what it does more of than the world: Oxidative Stress, Antioxidant, Anti-inflammatory, Diabetes, Inflammation, Toll-like Receptors, Advanced Glycation End Products and HMGB1.

▲ 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. Oxidative Stress8▲ 5.9×16 topics
  2. Inflammation5▲ 3.0×14 topics
  3. Antioxidant5▲ 8.1×11 topics
  4. Anti-inflammatory5▲ 19×6 topics
  5. Diabetes5▲ 11×6 topics
  6. Cancer4▲ 3.5×10 topics
  7. Advanced Glycation End Products3▲ 221×1 topic
  8. Climate Change3▲ 1.42×19 topics
  9. HMGB13▲ 221×1 topic
  10. Toll-like Receptors3▲ 34×2 topics
  11. Neural Networks3▲ 2.4×8 topics
  12. Biological Activities3▲ 22×3 topics
  13. Metabolism3▲ 6.2×12 topics
  14. Antioxidants3▲ 7.0×7 topics
  15. Flavonoids2▲ 11×6 topics
  16. Medicinal Plants2▲ 7.5×8 topics
  17. Genetic Diversity2▲ 6.1×8 topics
  18. Antiviral2▲ 29×2 topics
  19. Apoptosis2▲ 7.4×2 topics
  20. Decidual NK Cells2▲ 61×1 topic
  21. Regulatory T Cells2▲ 20×1 topic
  22. Dairy Cattle2▲ 41×2 topics
  23. Saponins2▲ 60×1 topic
  24. Triterpenoids2▲ 35×1 topic
  25. Functional Connectivity2▲ 15×2 topics
  26. Reproductive Loss2▲ 77×1 topic
  27. Uterine Disease2▲ 77×1 topic
  28. Marker-Assisted Selection2▲ 25×2 topics
  29. Nonlinear Systems2▲ 8.4×4 topics
  30. Bioremediation1▲ 14×4 topics
  31. Isolation1▲ 27×2 topics
  32. Natural Products1▲ 12×4 topics
  33. Pharmacology1▲ 6.8×4 topics
  34. Population Genetics1▲ 12×2 topics
  35. Anticancer1▲ 9.8×3 topics
  36. Electrochemistry1▲ 7.3×2 topics
  37. Genomic Selection1▲ 36×1 topic
  38. Plant Breeding1▲ 16×1 topic
  39. Transcranial Direct Current Stimulation1▲ 54×1 topic
  40. Transcranial Magnetic Stimulation1▲ 54×1 topic

Which research topics does Kyushu Tokai University publish most on?

By volume in 2022-now: Advanced Glycation End Products research, Reproductive System and Pregnancy, Natural product bioactivities and synthesis and Reproductive Physiology in Livestock.

Advanced Glycation End P…3Advanced Glycation End Products research: 3 fractional worksReproductive System and Pregnancy: 2 fractional worksNatural product bioactiv…2Natural product bioactivities and synthesis: 2 fractional worksReproductive Physiology …2Reproductive Physiology in Livestock: 2 fractional worksTranscranial Magnetic Stimulation Studies: 1 fractional worksGenetic and phenotypic traits in livestock: 1 fractional worksReproductive Biology and…1Reproductive Biology and Fertility: 1 fractional worksEnzyme-mediated dye degradation: 1 fractional worksElectrochemical sensors and biosensors: 1 fractional worksBioactive natural compounds: 1 fractional works
Clinical BiochemistryImmunologyMolecular BiologyAgronomy and Crop Science5 others

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

  1. 1 Advanced Glycation End Products research Clinical Biochemistry 3 works
  2. 2 Reproductive System and Pregnancy Immunology 2 works
  3. 3 Natural product bioactivities and synthesis Molecular Biology 2 works
  4. 4 Reproductive Physiology in Livestock Agronomy and Crop Science 2 works
  5. 5 Transcranial Magnetic Stimulation Studies Neurology 1 works
  6. 6 Genetic and phenotypic traits in livestock Genetics 1 works
  7. 7 Reproductive Biology and Fertility Public Health, Environmental and Occupational Health 1 works
  8. 8 Enzyme-mediated dye degradation Plant Science 1 works
  9. 9 Electrochemical sensors and biosensors Electrical and Electronic Engineering 1 works
  10. 10 Bioactive natural compounds Molecular Biology 1 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 available42.8%not open57.2%

World: 40% of research is openly available.

with international co-authors15.0%domestic only85.0%

World: 18% is written across borders.

How has Kyushu Tokai University's research output changed?

Output in 2022-2025 was 3% 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 Kyushu Tokai University as a percentage of every work published that year, 0.00031% in 2024.

still counting0.0010%0.0020%0.0030%Kyushu Tokai University0.00031% in 202519801990200020102020

Fractional works of Kyushu Tokai 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.

5%10%15%all institutions10.0% in 2022Kyushu Tokai University6.9% in 202220102020

Of each year's output, the share that reached the world's 10% most cited for its field and year. Peak 8.9% in 2020.

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Kyushu Tokai University on Science Explorer

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