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University · Sōja · Japan

Okayama Prefectural University

In research, Okayama Prefectural University stands highest in Physical Sciences (#10,955 of 12,888 worldwide) and Engineering (#6,556 of 6,636 worldwide), 2022–2025.

oka-pu.ac.jp/enROR OpenAlex
World rank, 2022–2025
#19,656
of 28,054 · #14,614 all time
Rank in Japan
#560
of 1,070
Research works
2k
▼ 29% vs 2013–17
Citations
18k
9.0 per fractional work
Top-10% rate
4.3%
record average 16.5%
Open access
42%
world 28%

What is Okayama Prefectural 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
Physical SciencesDomain #10,955 of 12,888 2.0%134 #10018
EngineeringField #6,556 of 6,636 1.1%74 #6614

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 world mark, because the world rate differs by field (from about 6% to 21% in this record).

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, 4 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.52× its world share, 6 worksBiochemistry, Geneti…Immunology and Microbiology: 0.22× its world share, 0 worksImmunology and Micro…Neuroscience: 1.98× its world share, 8 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 0.77× its world share, 1 worksPharmacology, Toxico…Chemical Engineering: 0.20× its world share, 0 worksChemical EngineeringChemistry: 0.54× its world share, 2 worksChemistryComputer Science: 2.18× its world share, 40 worksComputer ScienceEarth and Planetary Sciences: 0.10× its world share, 0 worksEarth and Planetary …Energy: 0.10× its world share, 0 worksEnergyEngineering: 2.11× its world share, 74 worksEngineeringEnvironmental Science: 0.24× its world share, 3 worksEnvironmental ScienceMaterials Science: 0.98× its world share, 8 worksMaterials ScienceMathematics: 0.56× its world share, 2 worksMathematicsPhysics and Astronomy: 0.97× its world share, 5 worksPhysics and AstronomyDentistry: 0.25× its world share, 0 worksDentistryHealth Professions: 1.57× its world share, 10 worksHealth ProfessionsMedicine: 0.85× its world share, 38 worksMedicineNursing: 1.93× its world share, 2 worksNursingArts and Humanities: 0.48× its world share, 3 worksArts and HumanitiesBusiness, Management and Accounting: 1.05× its world share, 8 worksBusiness, Management…Decision Sciences: 0.57× its world share, 1 worksDecision SciencesEconomics, Econometrics and Finance: 0.04× its world share, 0 worksEconomics, Econometr…Psychology: 1.81× its world share, 13 worksPsychologySocial Sciences: 0.18× its world share, 5 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.

Who are the top researchers at Okayama Prefectural University?

Ranked on the composite score, Takenoshin Nakai, Masumi Kimoto and Xin Xin lead among researchers whose main affiliation is Okayama Prefectural University.

  1. 1 Takenoshin Nakai Japan · #504,883 worldwide 17 citations · 23 works
  2. 2 Masumi Kimoto Japan · #553,449 worldwide 91 citations · 18 works
  3. 3 Xin Xin Japan · #569,675 worldwide 258 citations · 101 works
  4. 4 Hitoshi Yamauchi Japan · #674,485 worldwide 83 citations · 41 works
  5. 5 Nobuyoshi Nakajima Japan · #705,130 worldwide 163 citations · 57 works
  6. 6 Masahiro Kaneda Japan · #709,177 worldwide 144 citations · 60 works
  7. 7 Takayuki Morishita Japan · #1,038,009 worldwide 22 citations · 21 works
  8. 8 Taiga Yamasaki Japan · #1,061,196 worldwide 38 citations · 21 works
  9. 9 Eiji Kamiyama Japan · #1,062,731 worldwide 6 citations · 21 works
  10. 10 Koji Sueoka Japan · #1,085,951 worldwide 49 citations · 62 works
All ranked researchers at Okayama Prefectural University

Which keywords describe research at Okayama Prefectural University?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Virtual Reality, Deep Learning, Human-Robot Interaction, Solar Cells, Biomechanics, Integrated Circuits, CMOS and Frequency Synthesizer.

▲ 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. Deep Learning15▲ 1.87×31 topics
  2. Epidemiology10◆ 1.03×19 topics
  3. Virtual Reality10▲ 8.1×8 topics
  4. Machine Learning9▲ 1.20×19 topics
  5. Human-Robot Interaction7▲ 27×2 topics
  6. Biomechanics6▲ 9.0×6 topics
  7. Neural Networks6▲ 1.78×15 topics
  8. Solar Cells6▲ 13×4 topics
  9. Integrated Circuits5▲ 13×3 topics
  10. Rehabilitation5▲ 5.2×7 topics
  11. CMOS5▲ 38×2 topics
  12. Frequency Synthesizer5▲ 48×2 topics
  13. Self-Efficacy4▲ 7.1×5 topics
  14. Muscle Strength4▲ 17×2 topics
  15. Photovoltaics4▲ 11×2 topics
  16. Assistive Technology4▲ 39×2 topics
  17. Gait Analysis4▲ 19×2 topics
  18. Adaptive Control4▲ 13×4 topics
  19. Emotion Regulation4▲ 5.4×5 topics
  20. Elderly4▲ 6.6×3 topics
  21. Human-Computer Interaction4▲ 9.2×2 topics
  22. Low-Noise Amplifiers4▲ 56×1 topic
  23. Oscillators4▲ 56×1 topic
  24. Foot Strike Patterns4▲ 44×1 topic
  25. Kinematics4▲ 34×2 topics
  26. Running Injuries4▲ 44×1 topic
  27. Efficiency4▲ 5.1×1 topic
  28. Silicon4▲ 43×1 topic
  29. Cloud Robotics4▲ 53×1 topic
  30. Eye Tracking4▲ 35×2 topics
  31. Internet of Robotic Things4▲ 53×1 topic
  32. Physical Performance3▲ 16×2 topics
  33. Gaze Estimation3▲ 50×1 topic
  34. Usability Research3▲ 50×1 topic
  35. Anthropomorphism3▲ 67×1 topic
  36. Heart Rate Variability3▲ 11×2 topics
  37. Socially Assistive Robotics3▲ 67×1 topic
  38. Fall Risk3▲ 30×1 topic
  39. Gait Speed3▲ 30×1 topic
  40. Haptic Interfaces3▲ 21×2 topics

Which research topics does Okayama Prefectural University publish most on?

By volume in 2022–2025: Radio Frequency Integrated Circuit Design, Lower Extremity Biomechanics and Pathologies, Silicon and Solar Cell Technologies and Robotics and Automated Systems.

Radio Frequency Integrat…4Radio Frequency Integrated Circuit Design: 4 fractional worksLower Extremity Biomecha…4Lower Extremity Biomechanics and Pathologies: 4 fractional worksSilicon and Solar Cell Technologies: 4 fractional worksRobotics and Automated S…4Robotics and Automated Systems: 4 fractional worksGaze Tracking and Assist…3Gaze Tracking and Assistive Technology: 3 fractional worksSocial Robot Interaction and HRI: 3 fractional worksBalance, Gait, and Falls Prevention: 3 fractional worksDiabetic Foot Ulcer Asse…3Diabetic Foot Ulcer Assessment and Management: 3 fractional worksSemiconductor materials and devices: 2 fractional worksMicrowave Engineering and Waveguides: 2 fractional works
Electrical and Electronic EngineeringBiomedical EngineeringControl and Systems EngineeringHuman-Computer Interaction3 others

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

  1. 1 Radio Frequency Integrated Circuit Design Electrical and Electronic Engineering 4 works
  2. 2 Lower Extremity Biomechanics and Pathologies Biomedical Engineering 4 works
  3. 3 Silicon and Solar Cell Technologies Electrical and Electronic Engineering 4 works
  4. 4 Robotics and Automated Systems Control and Systems Engineering 4 works
  5. 5 Gaze Tracking and Assistive Technology Human-Computer Interaction 3 works
  6. 6 Social Robot Interaction and HRI Social Psychology 3 works
  7. 7 Balance, Gait, and Falls Prevention Physical Therapy, Sports Therapy and Rehabilitation 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 2 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: 28% of research is openly available.

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

World: 19% is written across borders.

How has Okayama Prefectural University's research output changed?

Output in 2018–2022 was 29% 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.

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.