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University · Sōja · Japan

Okayama Prefectural University

In research, Okayama Prefectural University stands highest in Physical Sciences (#7,705 of 10,670 worldwide) and Engineering (#5,462 of 5,901 worldwide), 2022-now.

oka-pu.ac.jp/enROR OpenAlex
World rank, 2022-now
#11,594
of 22,385 · #16,828 all time
Rank in Japan
#298
of 924
Research works
2k
▼ 11% vs 2018-21
Citations
18k
9.0 per fractional work
Top-10% rate
1.9%
all institutions 10.0%
vs its own fields
0.79×
1.00× is exactly expected
Open access
42%
world 40%
International
9%
world 18%
Okayama Prefectural University

What is Okayama Prefectural University known for in research?

The fields where it stands highest, 2022-now, ranked among every institution above the floor in each field.

FieldWorld rankWhere that sitsTop-10% rateWorksAll time
Physical SciencesDomain #7,705 of 10,670 1.3%134 #11962
EngineeringField #5,462 of 5,901 1.3%74 #7212

Each strip is that field's whole ranked pool, with the notch where Okayama Prefectural 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 Okayama Prefectural University work in?

In 2022-now, 57% of research at Okayama Prefectural University is in Physical Sciences, 22% in Health Sciences. Its largest fields are Engineering (31%), Computer Science (17%), Medicine (16%). It does 1.5× the world's share of Physical Sciences.

Physical Sciences: 142 fractional works · 57.3% of its workEngineering: 78 fractional works · 31.3% of its workElectrical and Electronic Engineering: 25 fractional works · 10.1% of its workBiomedical Engineering: 17 fractional works · 6.7% of its workControl and Systems Engineering: 10 fractional works · 3.9% of its workMechanical Engineering: 6 fractional works · 2.5% of its workIndustrial and Manufacturing Engineering: 4 fractional works · 1.8% of its workAerospace Engineering: 4 fractional works · 1.6% of its workCivil and Structural Engineering: 3 fractional works · 1.3% of its workAutomotive Engineering: 2 fractional works · 0.9% of its workBuilding and Construction: 2 fractional works · 0.7% of its workOcean Engineering: 1 fractional works · 0.5% of its workComputational Mechanics: 1 fractional works · 0.4% of its workMedia Technology: 1 fractional works · 0.4% of its workMechanics of Materials: 1 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.2% of its workComputer Science: 43 fractional works · 17.4% of its workArtificial Intelligence: 8 fractional works · 3.2% of its workComputer Vision and Pattern Recognition: 8 fractional works · 3.1% of its workHuman-Computer Interaction: 7 fractional works · 2.8% of its workInformation Systems: 6 fractional works · 2.2% of its workSignal Processing: 5 fractional works · 2.1% of its workComputer Networks and Communications: 5 fractional works · 1.9% of its workSoftware: 4 fractional works · 1.5% of its workComputational Theory and Mathematics: 0 fractional works · 0.2% of its workSmaller subfields together: 1 fractional works · 0.3% of its workMaterials Science: 8 fractional works · 3.4% of its workMaterials Chemistry: 3 fractional works · 1.4% of its workBiomaterials: 2 fractional works · 0.7% of its workElectronic, Optical and Magnetic Materials: 1 fractional works · 0.4% of its workSurfaces, Coatings and Films: 1 fractional works · 0.3% of its workPolymers and Plastics: 1 fractional works · 0.3% of its workCeramics and Composites: 1 fractional works · 0.3% of its workPhysics and Astronomy: 5 fractional works · 2.2% of its workAtomic and Molecular Physics, and Optics: 4 fractional works · 1.7% of its workCondensed Matter Physics: 1 fractional works · 0.3% of its workSmaller subfields together: 1 fractional works · 0.2% of its workEnvironmental Science: 3 fractional works · 1.2% of its workNature and Landscape Conservation: 2 fractional works · 0.6% of its workHealth, Toxicology and Mutagenesis: 1 fractional works · 0.4% of its workSmaller subfields together: 0 fractional works · 0.2% of its workChemistry: 2 fractional works · 0.9% of its workOrganic Chemistry: 1 fractional works · 0.5% of its workSmaller subfields together: 1 fractional works · 0.4% of its workMathematics: 2 fractional works · 0.6% of its workApplied Mathematics: 0 fractional works · 0.2% of its workSmaller subfields together: 1 fractional works · 0.4% of its workEarth and Planetary Sciences: 0 fractional works · 0.1% of its workEnergy: 0 fractional works · 0.1% of its workChemical Engineering: 0 fractional works · 0.1% of its workHealth Sciences: 54 fractional works · 21.6% of its workMedicine: 41 fractional works · 16.3% of its workPhysiology: 6 fractional works · 2.3% of its workOrthopedics and Sports Medicine: 4 fractional works · 1.8% of its workEndocrinology, Diabetes and Metabolism: 3 fractional works · 1.1% of its workRehabilitation: 3 fractional works · 1.1% of its workPulmonary and Respiratory Medicine: 3 fractional works · 1.0% of its workPharmacology: 2 fractional works · 1.0% of its workCardiology and Cardiovascular Medicine: 2 fractional works · 1.0% of its workPsychiatry and Mental health: 2 fractional works · 1.0% of its workSurgery: 2 fractional works · 0.9% of its workRadiology, Nuclear Medicine and Imaging: 2 fractional works · 0.9% of its workPublic Health, Environmental and Occupational Health: 2 fractional works · 0.7% of its workEpidemiology: 1 fractional works · 0.5% of its workPathology and Forensic Medicine: 1 fractional works · 0.4% of its workNeurology: 1 fractional works · 0.4% of its workComplementary and alternative medicine: 1 fractional works · 0.3% of its workNephrology: 1 fractional works · 0.3% of its workPediatrics, Perinatology and Child Health: 1 fractional works · 0.3% of its workBiochemistry: 1 fractional works · 0.3% of its workRheumatology: 1 fractional works · 0.3% of its workObstetrics and Gynecology: 0 fractional works · 0.2% of its workSmaller subfields together: 1 fractional works · 0.5% of its workHealth Professions: 11 fractional works · 4.3% of its workPhysical Therapy, Sports Therapy and Rehabilitation: 3 fractional works · 1.4% of its workGeneral Health Professions: 2 fractional works · 1.0% of its workOccupational Therapy: 2 fractional works · 0.8% of its workSpeech and Hearing: 1 fractional works · 0.6% of its workHealth Information Management: 1 fractional works · 0.2% of its workRadiological and Ultrasound Technology: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.2% of its workNursing: 2 fractional works · 0.9% of its workNutrition and Dietetics: 2 fractional works · 0.7% of its workSmaller subfields together: 0 fractional works · 0.1% of its workDentistry: 0 fractional works · 0.1% of its workSocial Sciences: 33 fractional works · 13.2% of its workPsychology: 13 fractional works · 5.2% of its workSocial Psychology: 8 fractional works · 3.2% of its workExperimental and Cognitive Psychology: 2 fractional works · 0.8% of its workClinical Psychology: 2 fractional works · 0.7% of its workDevelopmental and Educational Psychology: 1 fractional works · 0.6% of its workBusiness, Management and Accounting: 8 fractional works · 3.4% of its workManagement Information Systems: 3 fractional works · 1.1% of its workMarketing: 2 fractional works · 1.0% of its workStrategy and Management: 2 fractional works · 0.7% of its workManagement of Technology and Innovation: 1 fractional works · 0.5% of its workSmaller subfields together: 0 fractional works · 0.0% of its workSocial Sciences: 7 fractional works · 2.7% of its workSociology and Political Science: 4 fractional works · 1.7% of its workUrban Studies: 1 fractional works · 0.3% of its workEducation: 0 fractional works · 0.2% of its workSmaller subfields together: 1 fractional works · 0.5% of its workArts and Humanities: 3 fractional works · 1.3% of its workMusic: 2 fractional works · 0.7% of its workLanguage and Linguistics: 1 fractional works · 0.4% of its workVisual Arts and Performing Arts: 1 fractional works · 0.3% of its workDecision Sciences: 1 fractional works · 0.5% of its workStatistics, Probability and Uncertainty: 1 fractional works · 0.2% of its workSmaller subfields together: 1 fractional works · 0.3% of its workEconomics, Econometrics and Finance: 0 fractional works · 0.1% of its workLife Sciences: 20 fractional works · 7.9% of its workNeuroscience: 8 fractional works · 3.4% of its workCognitive Neuroscience: 8 fractional works · 3.1% of its workSmaller subfields together: 1 fractional works · 0.2% of its workBiochemistry, Genetics and Molecular Biology: 6 fractional works · 2.6% of its workMolecular Biology: 4 fractional works · 1.6% of its workCancer Research: 1 fractional works · 0.3% of its workBiophysics: 1 fractional works · 0.2% of its workCell Biology: 1 fractional works · 0.2% of its workSmaller subfields together: 1 fractional works · 0.2% of its workAgricultural and Biological Sciences: 4 fractional works · 1.5% of its workFood Science: 1 fractional works · 0.5% of its workEcology, Evolution, Behavior and Systematics: 1 fractional works · 0.4% of its workPlant Science: 1 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.2% of its workPharmacology, Toxicology and Pharmaceutics: 1 fractional works · 0.3% of its workPharmacology: 1 fractional works · 0.3% of its workImmunology and Microbiology: 1 fractional works · 0.2% of its workALL ITS WORKOkayamaPrefectural…248fractional works, 2022-now
Life Sciences8%Physical Sciences57%Health Sciences22%Social Sciences13%

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 25 fields, with their numbers
    1. Engineering7831.3%
    2. Computer Science4317.4%
    3. Materials Science83.4%
    4. Physics and Astronomy52.2%
    5. Environmental Science31.2%
    6. Chemistry20.9%
    7. Mathematics20.6%
    8. Earth and Planetary Sciences00.1%
    9. Energy00.1%
    10. Chemical Engineering00.1%
    1. Medicine4116.3%
    2. Health Professions114.3%
    3. Nursing20.9%
    4. Dentistry00.1%
    1. Psychology135.2%
    2. Business, Management and Accounting83.4%
    3. Social Sciences72.7%
    4. Arts and Humanities31.3%
    5. Decision Sciences10.5%
    6. Economics, Econometrics and Finance00.1%
    1. Neuroscience83.4%
    2. Biochemistry, Genetics and Molecular Biology62.6%
    3. Agricultural and Biological Sciences41.5%
    4. Pharmacology, Toxicology and Pharmaceutics10.3%
    5. Immunology and Microbiology10.2%
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: 0.31× its world share, 4 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.49× its world share, 6 worksBiochemistry, Geneti…Immunology and Microbiology: 0.21× its world share, 0 worksImmunology and Micro…Neuroscience: 2.08× its world share, 8 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 0.73× its world share, 1 worksPharmacology, Toxico…Chemical Engineering: 0.26× its world share, 0 worksChemical EngineeringChemistry: 0.55× its world share, 2 worksChemistryComputer Science: 2.23× its world share, 43 worksComputer ScienceEarth and Planetary Sciences: 0.09× its world share, 0 worksEarth and Planetary …Energy: 0.12× its world share, 0 worksEnergyEngineering: 2.09× its world share, 78 worksEngineeringEnvironmental Science: 0.23× its world share, 3 worksEnvironmental ScienceMaterials Science: 0.97× its world share, 8 worksMaterials ScienceMathematics: 0.53× its world share, 2 worksMathematicsPhysics and Astronomy: 0.99× its world share, 6 worksPhysics and AstronomyDentistry: 0.24× its world share, 0 worksDentistryHealth Professions: 1.62× its world share, 11 worksHealth ProfessionsMedicine: 0.85× its world share, 40 worksMedicineNursing: 1.83× its world share, 2 worksNursingArts and Humanities: 0.46× its world share, 3 worksArts and HumanitiesBusiness, Management and Accounting: 1.05× its world share, 8 worksBusiness, Management…Decision Sciences: 0.54× its world share, 1 worksDecision SciencesEconomics, Econometrics and Finance: 0.04× its world share, 0 worksEconomics, Econometr…Psychology: 1.72× its world share, 13 worksPsychologySocial Sciences: 0.21× its world share, 7 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Computer Science, 2.2×. Every wedge is a field page.

All 25 fields, with their numbers
  1. Computer Science2.23×43 works
  2. Engineering2.09×78 works
  3. Neuroscience2.08×8 works
  4. Nursing1.83×2 works
  5. Psychology1.72×13 works
  6. Health Professions1.62×11 works
  7. Business, Management and Accounting1.05×8 works
  8. Physics and Astronomy0.99×6 works
  9. Materials Science0.97×8 works
  10. Medicine0.85×40 works
  11. Pharmacology, Toxicology and Pharmaceutics0.73×1 works
  12. Chemistry0.55×2 works
  13. Decision Sciences0.54×1 works
  14. Mathematics0.53×2 works
  15. Biochemistry, Genetics and Molecular Biology0.49×6 works
  16. Arts and Humanities0.46×3 works
  17. Agricultural and Biological Sciences0.31×4 works
  18. Chemical Engineering0.26×0 works
  19. Dentistry0.24×0 works
  20. Environmental Science0.23×3 works
  21. Immunology and Microbiology0.21×0 works
  22. Social Sciences0.21×7 works
  23. Energy0.12×0 works
  24. Earth and Planetary Sciences0.09×0 works
  25. Economics, Econometrics and Finance0.04×0 works

Who are the top researchers at Okayama Prefectural University?

Ranked on the quality score, Masumi Kimoto, Takahisa Harayama and Miki HIEMORI lead among researchers whose main affiliation is Okayama Prefectural University.

  1. 1 Masumi Kimoto Japan · #526,008 worldwide 7.3k citations · 116 works
  2. 2 Takahisa Harayama Japan · #2,183,940 worldwide 2.9k citations · 211 works
  3. 3 Miki HIEMORI Japan · #3,229,125 worldwide 1.4k citations · 29 works
  4. 4 Takayo Sasagawa Japan · #3,512,137 worldwide 1.6k citations · 39 works
  5. 5 Masahiro Kaneda Japan · #3,521,204 worldwide 8.1k citations · 248 works
  6. 6 Hitomi Maruta Japan · #3,918,438 worldwide 462 citations · 15 works
  7. 7 Atsunori Fujii Japan · #3,990,167 worldwide 43 citations · 17 works
  8. 8 M. Tauchi Japan · #4,235,948 worldwide 1.1k citations · 26 works
  9. 9 Ryuichi Miyata Japan · #4,504,311 worldwide 101 citations · 17 works
  10. 10 Kaori Harano Japan · #4,616,177 worldwide 147 citations · 16 works
All ranked researchers at Okayama Prefectural University

What are the most cited papers from Okayama Prefectural University?

The most cited paper from Okayama Prefectural University is "GIP and GLP‐1, the two incretin hormones: Similarities and differences" (Yutaka Seino, Mitsuo Fukushima, Daisuke Yabe, 2010), with 741 citations. Next come "Homocysteine Impairs the Nitric Oxide Synthase Pathway" (666) and "Impaired Nitric Oxide Synthase Pathway in Diabetes Mellitus" (659).

Most cited papers
#PaperReleasedCitations
1 GIP and GLP‐1, the two incretin hormones: Similarities and differences Yutaka Seino, Mitsuo Fukushima, Daisuke Yabe · Journal of Diabetes Investigation Open access Feb 2010 741
2 Homocysteine Impairs the Nitric Oxide Synthase Pathway Markus C. Stühlinger, Philip S. Tsao, J H Her et al. · Circulation 20 Nov 2001 666
3 Impaired Nitric Oxide Synthase Pathway in Diabetes Mellitus Ken Yu Lin, Akira Ito, Tomoko Asagami et al. · Circulation 20 Aug 2002 659
4 Novel Mechanism for Endothelial Dysfunction Akira Ito, Philip S. Tsao, Shanthi Adimoolam et al. · Circulation 22 Jun 1999 641
5 Antioxidant Activities of Pomegranate Fruit Extract and Its Anthocyanidins: Delphinidin, Cyanidin, and Pelargonidin Yasuko Noda, Takao Kaneyuki, Akitane Mori et al. · Journal of Agricultural and Food Chemistry 4 Dec 2001 575
All 60 most cited papers, with filters and sorting

Which keywords describe research at Okayama Prefectural University?

By fractional works in 2022-now, weighted toward what it does more of than the world: Virtual Reality, Deep Learning, Solar Cells, Biomechanics, Human-Robot Interaction, Integrated Circuits, Muscle Strength and Assistive Technology.

▲ 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. Deep Learning17▲ 1.96×34 topics
  2. Virtual Reality10▲ 8.7×9 topics
  3. Epidemiology10◆ 1.02×20 topics
  4. Machine Learning10◆ 1.15×21 topics
  5. Neural Networks7▲ 1.94×16 topics
  6. Biomechanics7▲ 8.8×6 topics
  7. Solar Cells7▲ 13×4 topics
  8. Human-Robot Interaction7▲ 22×2 topics
  9. Rehabilitation5▲ 5.2×7 topics
  10. Integrated Circuits5▲ 14×3 topics
  11. Assistive Technology5▲ 38×2 topics
  12. CMOS5▲ 37×2 topics
  13. Frequency Synthesizer5▲ 47×2 topics
  14. Muscle Strength5▲ 17×2 topics
  15. Human-Computer Interaction4▲ 10×4 topics
  16. Self-Efficacy4▲ 6.9×5 topics
  17. Gait Analysis4▲ 18×2 topics
  18. Photovoltaics4▲ 12×2 topics
  19. Adaptive Control4▲ 13×5 topics
  20. Elderly4▲ 7.0×3 topics
  21. Emotion Regulation4▲ 5.0×5 topics
  22. Efficiency4▲ 5.1×1 topic
  23. Eye Tracking4▲ 36×2 topics
  24. Low-Noise Amplifiers4▲ 54×1 topic
  25. Oscillators4▲ 54×1 topic
  26. Silicon4▲ 43×1 topic
  27. Foot Strike Patterns4▲ 40×1 topic
  28. Kinematics4▲ 32×2 topics
  29. Physical Performance4▲ 16×2 topics
  30. Running Injuries4▲ 40×1 topic
  31. Gaze Estimation4▲ 51×1 topic
  32. Usability Research4▲ 51×1 topic
  33. Cloud Robotics4▲ 53×1 topic
  34. Internet of Robotic Things4▲ 53×1 topic
  35. Fall Risk3▲ 29×1 topic
  36. Gait Speed3▲ 29×1 topic
  37. Anthropomorphism3▲ 53×1 topic
  38. Heart Rate Variability3▲ 11×2 topics
  39. Nanoelectronics3▲ 15×2 topics
  40. Socially Assistive Robotics3▲ 53×1 topic

Which research topics does Okayama Prefectural University publish most on?

By volume in 2022-now: Silicon and Solar Cell Technologies, Radio Frequency Integrated Circuit Design, Lower Extremity Biomechanics and Pathologies and Gaze Tracking and Assistive Technology.

Silicon and Solar Cell T…4Silicon and Solar Cell Technologies: 4 fractional worksRadio Frequency Integrat…4Radio Frequency Integrated Circuit Design: 4 fractional worksLower Extremity Biomechanics and Pathologies: 4 fractional worksGaze Tracking and Assist…4Gaze Tracking and Assistive Technology: 4 fractional worksRobotics and Automated S…4Robotics and Automated Systems: 4 fractional worksBalance, Gait, and Falls Prevention: 3 fractional worksSocial Robot Interaction and HRI: 3 fractional worksDiabetic Foot Ulcer Asse…3Diabetic Foot Ulcer Assessment and Management: 3 fractional worksSemiconductor materials and devices: 3 fractional worksMicrowave Engineering and Waveguides: 2 fractional works
Electrical and Electronic EngineeringBiomedical EngineeringHuman-Computer InteractionControl and Systems Engineering3 others

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

  1. 1 Silicon and Solar Cell Technologies Electrical and Electronic Engineering 4 works
  2. 2 Radio Frequency Integrated Circuit Design Electrical and Electronic Engineering 4 works
  3. 3 Lower Extremity Biomechanics and Pathologies Biomedical Engineering 4 works
  4. 4 Gaze Tracking and Assistive Technology Human-Computer Interaction 4 works
  5. 5 Robotics and Automated Systems Control and Systems Engineering 4 works
  6. 6 Balance, Gait, and Falls Prevention Physical Therapy, Sports Therapy and Rehabilitation 3 works
  7. 7 Social Robot Interaction and HRI Social Psychology 3 works
  8. 8 Diabetic Foot Ulcer Assessment and Management Endocrinology, Diabetes and Metabolism 3 works
  9. 9 Semiconductor materials and devices Electrical and Electronic Engineering 3 works
  10. 10 Microwave Engineering and Waveguides Electrical and Electronic Engineering 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 available42.4%not open57.6%

World: 40% of research is openly available.

with international co-authors9.3%domestic only90.7%

World: 18% is written across borders.

How has Okayama Prefectural University's research output changed?

Output in 2022-2025 was 11% lower 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 Okayama Prefectural University as a percentage of every work published that year, 0.00096% in 2024.

still counting0.0020%0.0040%0.0060%Okayama Prefectural University0.00078% in 20251990200020102020

Fractional works of Okayama Prefectural 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 2025Okayama Prefectural University2.3% in 2025200020102020

Of each year's output, the share that reached the world's 10% most cited for its field and year. Peak 8.7% in 2000.

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Okayama Prefectural University on Science Explorer

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