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University · Ibaraki · Japan

Tsukuba International University

In research, Tsukuba International University stands highest in Life Sciences (#4,780 of 7,800 worldwide), 2022–2025. Relative to its size it is most specialised in Cognitive Neuroscience and Neuroscience — Cognitive Neuroscience is 15.0× its share of world research.

ktt.ac.jp/tiuROR OpenAlex
World rank, 2022–2025
#10,595
of 28,054 · #16,285 all time
Rank in Japan
#263
of 1,070
Research works
580
▲ 50% vs 2013–17
Citations
8.6k
14.9 per fractional work
Top-10% rate
12.7%
record average 16.5%
Open access
62%
world 28%

What is Tsukuba International 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
Life SciencesDomain #4,780 of 7,800 15.9%62 #6715

Each strip is that field’s whole ranked pool, with the notch where Tsukuba International 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).

What does Tsukuba International University specialise in?

Where its research is concentrated relative to its size: Cognitive Neuroscience takes 15.0× the share of its output that it takes of world research.

  1. Cognitive NeuroscienceSubfield · 21.8 works15×
  2. NeuroscienceField · 44.1 works14×
← 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: 0.12× its world share, 1 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 1.39× its world share, 15 worksBiochemistry, Geneti…Immunology and Microbiology: 0.98× its world share, 2 worksImmunology and Micro…Neuroscience: 13.66× its world share, 44 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 0.24× its world share, 0 worksPharmacology, Toxico…Chemistry: 1.05× its world share, 3 worksChemistryComputer Science: 1.23× its world share, 19 worksComputer ScienceEarth and Planetary Sciences: 0.18× its world share, 1 worksEarth and Planetary …Engineering: 0.26× its world share, 8 worksEngineeringEnvironmental Science: 0.41× its world share, 4 worksEnvironmental ScienceMaterials Science: 0.10× its world share, 1 worksMaterials ScienceMathematics: 7.48× its world share, 18 worksMathematicsPhysics and Astronomy: 0.57× its world share, 2 worksPhysics and AstronomyDentistry: 0.09× its world share, 0 worksDentistryHealth Professions: 0.98× its world share, 5 worksHealth ProfessionsMedicine: 1.11× its world share, 42 worksMedicineNursing: 1.54× its world share, 2 worksNursingArts and Humanities: 0.34× its world share, 2 worksArts and HumanitiesBusiness, Management and Accounting: 0.16× its world share, 1 worksBusiness, Management…Decision Sciences: 1.66× its world share, 3 worksDecision SciencesEconomics, Econometrics and Finance: 0.52× its world share, 2 worksEconomics, Econometr…Psychology: 3.00× its world share, 18 worksPsychologySocial Sciences: 0.23× its world share, 6 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Neuroscience, 13.7×. Every wedge is a field page.

Who are the top researchers at Tsukuba International University?

Ranked on the composite score, Naofumi Nakaya, Y. Urade and Kaspar E. Vogt lead among researchers whose main affiliation is Tsukuba International University.

  1. 1 Naofumi Nakaya Japan · #721,818 worldwide 12 citations · 17 works
  2. 2 Y. Urade Japan · #918,328 worldwide 36 citations · 28 works
  3. 3 Kaspar E. Vogt Japan · #1,087,625 worldwide 58 citations · 17 works
  4. 4 Yukiko Ishikawa Japan · #1,472,483 worldwide 8 citations · 17 works
  5. 5 Masatoshi Kashima Japan · #1,487,225 worldwide 4 citations · 15 works
  6. 6 Kazuhiko Sawada Japan · #1,582,842 worldwide 5 citations · 23 works
All ranked researchers at Tsukuba International University

Which keywords describe research at Tsukuba International University?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Circadian Rhythms, Memory, Learning, Consolidation, Sleep, Meta-Analysis, Cognitive Behavioral Therapy and Epidemiology.

▲ 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. Circadian Rhythms18▲ 89×2 topics
  2. Epidemiology14▲ 1.83×36 topics
  3. Memory14▲ 28×5 topics
  4. Learning12▲ 20×2 topics
  5. Consolidation12▲ 149×1 topic
  6. Sleep12▲ 149×1 topic
  7. Oxidative Stress9▲ 2.8×21 topics
  8. Inflammation8▲ 1.91×37 topics
  9. Meta-Analysis8▲ 6.7×10 topics
  10. Neurological Disorders7▲ 6.4×15 topics
  11. Cognitive Behavioral Therapy7▲ 26×3 topics
  12. Metabolism7▲ 6.8×10 topics
  13. Gene Expression7▲ 5.5×9 topics
  14. Health Effects7▲ 5.5×7 topics
  15. Insomnia7▲ 48×1 topic
  16. Sleep Duration7▲ 52×1 topic
  17. Cardiovascular Disease6▲ 2.6×22 topics
  18. Metabolic Syndrome6▲ 3.5×11 topics
  19. Circadian Clock5▲ 74×1 topic
  20. Melatonin5▲ 74×1 topic
  21. Retinal Ganglion Cells5▲ 24×2 topics
  22. Depression5▲ 3.0×14 topics
  23. Neurobiology5▲ 9.0×6 topics
  24. Neuronal Circuits4▲ 28×2 topics
  25. Synaptic Plasticity4▲ 9.7×4 topics
  26. Stress4▲ 5.5×7 topics
  27. Dendritic Spines4▲ 25×2 topics
  28. Cognitive Performance4▲ 20×3 topics
  29. GABAergic4▲ 35×1 topic
  30. Hippocampus4▲ 29×2 topics
  31. Neurotransmission4▲ 35×1 topic
  32. Brain Development4▲ 10.0×4 topics
  33. Motor Imagery3▲ 14×2 topics
  34. Fatigue3▲ 14×2 topics
  35. Immune System3▲ 7.0×7 topics
  36. Shift Work3▲ 54×1 topic
  37. Sleep Deprivation3▲ 54×1 topic
  38. Brain-Computer Interfaces3▲ 16×1 topic
  39. EEG Analysis3▲ 16×1 topic
  40. Neural Circuits3▲ 17×3 topics

Which research topics does Tsukuba International University publish most on?

By volume in 2022–2025: Sleep and Wakefulness Research, Sleep and related disorders, Circadian rhythm and melatonin and Neuroscience and Neuropharmacology Research.

Sleep and Wakefulness Re…12Sleep and Wakefulness Research: 12 fractional worksSleep and related disorders: 7 fractional worksCircadian rhythm and melatonin: 5 fractional worksNeuroscience and Neuropharmacology Research: 4 fractional worksSleep and Work-Related Fatigue: 3 fractional worksEEG and Brain-Computer I…3EEG and Brain-Computer Interfaces: 3 fractional worksAdvanced Mathematical Modeling in Engineering: 2 fractional worksMuscle Physiology and Disorders: 2 fractional worksAdvanced Harmonic Analysis Research: 2 fractional worksAlgebraic and Geometric Analysis: 2 fractional works
Cognitive NeuroscienceExperimental and Cognitive PsychologyEndocrine and Autonomic SystemsCellular and Molecular Neuroscience3 others

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

  1. 1 Sleep and Wakefulness Research Cognitive Neuroscience 12 works
  2. 2 Sleep and related disorders Experimental and Cognitive Psychology 7 works
  3. 3 Circadian rhythm and melatonin Endocrine and Autonomic Systems 5 works
  4. 4 Neuroscience and Neuropharmacology Research Cellular and Molecular Neuroscience 4 works
  5. 5 Sleep and Work-Related Fatigue Experimental and Cognitive Psychology 3 works
  6. 6 EEG and Brain-Computer Interfaces Cognitive Neuroscience 3 works
  7. 7 Advanced Mathematical Modeling in Engineering Computational Theory and Mathematics 2 works
  8. 8 Muscle Physiology and Disorders Molecular Biology 2 works
  9. 9 Advanced Harmonic Analysis Research Applied Mathematics 2 works
  10. 10 Algebraic and Geometric Analysis Applied Mathematics 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 available61.9%not open38.1%

World: 28% of research is openly available.

with international co-authors21.0%domestic only79.0%

World: 19% is written across borders.

How has Tsukuba International University's research output changed?

Output in 2018–2022 was 50% 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 Ibaraki

All research institutions in Ibaraki

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.