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Government institution · Tokyo · Japan

National Research Institute of Police Science

In research, National Research Institute of Police Science stands highest in Physical Sciences (#12,653 of 21,541 worldwide), Life Sciences (#8,788 of 14,347 worldwide) and Social Sciences (#10,866 of 16,945 worldwide), over all time.

npa.go.jp/nrips/jp/index.htmlROR OpenAlex
World rank, 2022–2025
#19,865
of 28,054 · #15,085 all time
Rank in Japan
#572
of 1,070
Research works
1.4k
▼ 13% vs 2013–17
Citations
17k
12.4 per fractional work
Top-10% rate
6.8%
record average 16.5%
Open access
47%
world 28%

What is National Research Institute of Police Science 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
Physical SciencesDomain #12,653 of 21,541 9.3%484
Life SciencesDomain #8,788 of 14,347 9.6%454
Social SciencesDomain #10,866 of 16,945 16.9%234
Health SciencesDomain #17,924 of 20,462 9.0%213
Biochemistry, Genetics and Molecular BiologyField #7,147 of 7,814 6.2%250
EngineeringField #10,665 of 11,412 9.8%149
MedicineField #17,001 of 17,978 8.1%170
Molecular BiologySubfield #4,917 of 4,961 4.3%141

Each strip is that field’s whole ranked pool, with the notch where National Research Institute of Police Science 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: 0.99× its world share, 7 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 3.18× its world share, 27 worksBiochemistry, Geneti…Immunology and Microbiology: 1.16× its world share, 2 worksImmunology and Micro…Neuroscience: 1.72× its world share, 4 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 15.55× its world share, 9 worksPharmacology, Toxico…Chemistry: 2.13× its world share, 5 worksChemistryComputer Science: 1.47× its world share, 18 worksComputer ScienceEarth and Planetary Sciences: 0.37× its world share, 1 worksEarth and Planetary …Engineering: 0.43× its world share, 10 worksEngineeringEnvironmental Science: 0.87× its world share, 7 worksEnvironmental ScienceMaterials Science: 0.32× its world share, 2 worksMaterials ScienceMathematics: 0.40× its world share, 1 worksMathematicsPhysics and Astronomy: 1.19× its world share, 4 worksPhysics and AstronomyDentistry: 0.99× its world share, 1 worksDentistryHealth Professions: 0.72× its world share, 3 worksHealth ProfessionsMedicine: 0.44× its world share, 13 worksMedicineNursing: 0.43× its world share, 0 worksNursingVeterinary: 1.87× its world share, 0 worksVeterinaryArts and Humanities: 0.48× its world share, 2 worksArts and HumanitiesBusiness, Management and Accounting: 0.54× its world share, 3 worksBusiness, Management…Decision Sciences: 0.44× its world share, 1 worksDecision SciencesEconomics, Econometrics and Finance: 0.13× its world share, 0 worksEconomics, Econometr…Psychology: 2.83× its world share, 14 worksPsychologySocial Sciences: 1.17× its world share, 23 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Pharmacology, Toxicology and Pharmaceutics, 15.6×. Every wedge is a field page.

Who are the top researchers at National Research Institute of Police Science?

Ranked on the composite score, K. Tsuchiya, Tadashi Yamamuro and Yuki Okada lead among researchers whose main affiliation is National Research Institute of Police Science.

  1. 1 K. Tsuchiya Japan · #415,716 worldwide 70 citations · 30 works
  2. 2 Tadashi Yamamuro Japan · #441,247 worldwide 47 citations · 17 works
  3. 3 Yuki Okada Japan · #455,970 worldwide 90 citations · 47 works
  4. 4 Tatsuyuki Kanamori Japan · #459,013 worldwide 89 citations · 35 works
  5. 5 Kenji HAGITA Japan · #526,189 worldwide 26 citations · 21 works
  6. 6 Mineo Yoshino Japan · #588,916 worldwide 70 citations · 17 works
  7. 7 Yuko Iwata Japan · #727,721 worldwide 85 citations · 52 works
  8. 8 Tetsukichi Niwaguchi Japan · #739,217 worldwide 29 citations · 15 works
  9. 9 Kenji Kuwayama Japan · #841,992 worldwide 54 citations · 30 works
  10. 10 Hiroki Segawa Japan · #861,063 worldwide 27 citations · 18 works
All ranked researchers at National Research Institute of Police Science

Which keywords describe research at National Research Institute of Police Science?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Mass Spectrometry, Method Validation, Neural Correlates, Criminal Behavior, Detection, Drug Analysis, Forensic Toxicology and Ancient DNA.

▲ 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 Learning10▲ 1.84×17 topics
  2. Mass Spectrometry8▲ 34×4 topics
  3. Method Validation8▲ 94×2 topics
  4. Neural Correlates8▲ 54×4 topics
  5. Criminal Behavior8▲ 114×2 topics
  6. Detection7▲ 16×5 topics
  7. Drug Analysis7▲ 232×1 topic
  8. Forensic Toxicology7▲ 158×1 topic
  9. Ancient DNA6▲ 80×3 topics
  10. Neighborhood Effects6▲ 38×2 topics
  11. Human Evolution6▲ 192×2 topics
  12. Youth Violence6▲ 90×2 topics
  13. Crime6▲ 144×1 topic
  14. Social Structure6▲ 101×1 topic
  15. Data Analysis6▲ 14×4 topics
  16. Risk Assessment6▲ 5.7×6 topics
  17. Genomic Analysis6▲ 15×1 topic
  18. Population History6▲ 282×1 topic
  19. Chemical Imaging6▲ 88×2 topics
  20. Interrogation5▲ 202×2 topics
  21. Deception5▲ 373×1 topic
  22. Fluorescent Materials5▲ 49×2 topics
  23. Lying5▲ 373×1 topic
  24. Fingermark Residue5▲ 495×1 topic
  25. Health Effects5▲ 5.1×6 topics
  26. Nanoparticles5▲ 2.4×1 topic
  27. Food Safety4▲ 9.0×5 topics
  28. Gene Expression4▲ 3.9×4 topics
  29. Metabolic Disorders4▲ 20×3 topics
  30. Liquid Chromatography3▲ 33×2 topics
  31. Neuroprotection3▲ 5.6×3 topics
  32. Pesticides3▲ 28×3 topics
  33. Cannabinoid Receptors3▲ 52×1 topic
  34. DNA Methylation3▲ 15×1 topic
  35. Endocannabinoid System3▲ 52×1 topic
  36. Histone Modification3▲ 24×1 topic
  37. Metacognition2▲ 10×2 topics
  38. Normalization2▲ 31×1 topic
  39. Quantitative2▲ 18×2 topics
  40. Real-Time PCR2▲ 59×1 topic

Which research topics does National Research Institute of Police Science publish most on?

By volume in 2022–2025: Forensic Toxicology and Drug Analysis, Crime Patterns and Interventions, Forensic and Genetic Research and Deception detection and forensic psychology.

Forensic Toxicology and Drug Analysis: 7 fractional worksCrime Patterns and Interventions: 6 fractional worksForensic and Genetic Res…6Forensic and Genetic Research: 6 fractional worksDeception detection and …5Deception detection and forensic psychology: 5 fractional worksForensic Fingerprint Detection Methods: 5 fractional worksCannabis and Cannabinoid Research: 3 fractional worksEpigenetics and DNA Meth…3Epigenetics and DNA Methylation: 3 fractional worksMolecular Biology Techniques and Applications: 2 fractional worksPesticide Exposure and Toxicity: 2 fractional worksNuclear Physics and Applications: 2 fractional works
ToxicologySociology and Political ScienceGeneticsSocial Psychology5 others

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

  1. 1 Forensic Toxicology and Drug Analysis Toxicology 7 works
  2. 2 Crime Patterns and Interventions Sociology and Political Science 6 works
  3. 3 Forensic and Genetic Research Genetics 6 works
  4. 4 Deception detection and forensic psychology Social Psychology 5 works
  5. 5 Forensic Fingerprint Detection Methods Safety Research 5 works
  6. 6 Cannabis and Cannabinoid Research Pharmacology 3 works
  7. 7 Epigenetics and DNA Methylation Molecular Biology 3 works
  8. 8 Molecular Biology Techniques and Applications Molecular Biology 2 works
  9. 9 Pesticide Exposure and Toxicity Plant Science 2 works
  10. 10 Nuclear Physics and Applications Radiation 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 available47.2%not open52.8%

World: 28% of research is openly available.

with international co-authors7.0%domestic only93.0%

World: 19% is written across borders.

How has National Research Institute of Police Science's research output changed?

Output in 2018–2022 was 13% 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.

Other research institutions in Tokyo

All research institutions in Tokyo

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.