Science Explorer Interactive view Map
Research facility · Wako · Japan

RIKEN

In research, RIKEN stands highest in Physical Sciences (#702 of 12,888 worldwide), Physics and Astronomy (#226 of 1,646 worldwide) and Atomic and Molecular Physics, and Optics (#166 of 565 worldwide), 2022–2025. Relative to its size it is most specialised in Nuclear and High Energy Physics, Atomic and Molecular Physics, and Optics and Condensed Matter Physics — Nuclear and High Energy Physics is 23.4× its share of world research.

riken.jpROR OpenAlex
World rank, 2022–2025
#1,224
of 28,054 · #494 all time
Rank in Japan
#18
of 1,070
Research works
17k
▼ 9% vs 2013–17
Citations
474k
27.7 per fractional work
Top-10% rate
20.7%
record average 16.5%
Open access
31%
world 28%

What is RIKEN 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 #702 of 12,888 22.2%616 #375
Physics and AstronomyField #226 of 1,646 29.5%276 #190
Atomic and Molecular Physics, and OpticsSubfield #166 of 565 24.4%111 #178
Computer ScienceField #1,773 of 4,667 21.8%97 #1357
Life SciencesDomain #4,345 of 7,800 18.3%102 #815
EngineeringField #4,168 of 6,636 10.7%94 #886
Biochemistry, Genetics and Molecular BiologyField #2,436 of 3,579 18.4%69 #600

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

Which of those standings moved

The same fields on both windows: where it stood over the whole record, and where it stands in 2022–2025. The distance is the story, and it is the one thing the two rank columns above cannot show.

  1. Physical Sciences#375 #702
  2. Physics and Astronomy#190 #226
  3. Atomic and Molecular Physics, and Optics#178 #166
  4. Computer Science#1,357 #1,773
  5. Life Sciences#815 #4,345
  6. Engineering#886 #4,168
  7. Biochemistry, Genetics and Molecular Biology#600 #2,436
all time2022–2025, better2022–2025, worse

A dot further right is a better standing. Fields it was not ranked in over the whole record are left out.

What does RIKEN specialise in?

Where its research is concentrated relative to its size: Nuclear and High Energy Physics takes 23.4× the share of its output that it takes of world research.

  1. Nuclear and High Energy PhysicsSubfield · 57.5 works23×
  2. Atomic and Molecular Physics, and OpticsSubfield · 110.9 works20×
  3. Condensed Matter PhysicsSubfield · 23.7 works19×
  4. Physics and AstronomyField · 275.5 works16×
  5. Astronomy and AstrophysicsSubfield · 57.5 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: 0.25× its world share, 9 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 1.67× its world share, 69 worksBiochemistry, Geneti…Immunology and Microbiology: 0.37× its world share, 3 worksImmunology and Micro…Neuroscience: 1.46× its world share, 18 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 0.91× its world share, 2 worksPharmacology, Toxico…Chemical Engineering: 1.43× its world share, 4 worksChemical EngineeringChemistry: 3.37× its world share, 41 worksChemistryComputer Science: 1.61× its world share, 97 worksComputer ScienceEarth and Planetary Sciences: 1.06× its world share, 13 worksEarth and Planetary …Energy: 0.70× its world share, 5 worksEnergyEngineering: 0.80× its world share, 94 worksEngineeringEnvironmental Science: 0.21× its world share, 8 worksEnvironmental ScienceMaterials Science: 2.10× its world share, 57 worksMaterials ScienceMathematics: 2.28× its world share, 21 worksMathematicsPhysics and Astronomy: 15.89× its world share, 276 worksPhysics and AstronomyDentistry: 0.12× its world share, 0 worksDentistryHealth Professions: 0.05× its world share, 1 worksHealth ProfessionsMedicine: 0.16× its world share, 25 worksMedicineNursing: 0.30× its world share, 1 worksNursingVeterinary: 0.35× its world share, 0 worksVeterinaryArts and Humanities: 0.10× its world share, 2 worksArts and HumanitiesBusiness, Management and Accounting: 0.02× its world share, 1 worksBusiness, Management…Decision Sciences: 0.48× its world share, 4 worksDecision SciencesEconomics, Econometrics and Finance: 0.17× its world share, 3 worksEconomics, Econometr…Psychology: 0.51× its world share, 12 worksPsychologySocial Sciences: 0.13× its world share, 13 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Physics and Astronomy, 15.9×. Every wedge is a field page.

Who are the top researchers at RIKEN?

Ranked on the composite score, Ichirou Yamaguchi, Eiichi Fukada and Kazuya Takahashi lead among researchers whose main affiliation is RIKEN.

  1. 1 Ichirou Yamaguchi Japan · #7,606 worldwide 630 citations · 60 works
  2. 2 Eiichi Fukada Japan · #22,120 worldwide 489 citations · 61 works
  3. 3 Kazuya Takahashi Japan · #32,762 worldwide 465 citations · 47 works
  4. 4 Konstantin Y. Bliokh Japan · #46,082 worldwide 550 citations · 47 works
  5. 5 I. Tanihata Japan · #49,554 worldwide 1k citations · 157 works
  6. 6 Yoshimi Benno Japan · #60,296 worldwide 346 citations · 39 works
  7. 7 Koji Takio Japan · #63,078 worldwide 352 citations · 31 works
  8. 8 K. Yoshida Japan · #77,818 worldwide 227 citations · 34 works
  9. 9 A. Ozawa Japan · #83,167 worldwide 470 citations · 81 works
  10. 10 A. Yoshida Japan · #117,503 worldwide 204 citations · 31 works
All ranked researchers at RIKEN

Which keywords describe research at RIKEN?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Entanglement, Renormalization Group, Gravitational Waves, Topological Order, Superconductivity, Quantum Information, Molecular Dynamics and Lattice QCD.

▲ 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. Entanglement36▲ 31×4 topics
  2. Machine Learning36▲ 1.42×44 topics
  3. Renormalization Group23▲ 54×2 topics
  4. Gravitational Waves21▲ 48×2 topics
  5. Biosensors20▲ 5.0×12 topics
  6. Topological Order20▲ 53×2 topics
  7. Superconductivity20▲ 15×9 topics
  8. Quantum Information18▲ 20×3 topics
  9. Molecular Dynamics18▲ 14×6 topics
  10. Lattice QCD17▲ 36×2 topics
  11. Supernovae16▲ 26×2 topics
  12. Black Holes16▲ 22×3 topics
  13. Nucleosynthesis16▲ 42×3 topics
  14. Dark Matter16▲ 18×4 topics
  15. Optical Lattices15▲ 31×3 topics
  16. Quantum Simulation15▲ 25×2 topics
  17. Dynamics14▲ 40×3 topics
  18. Superconducting Circuits14▲ 27×2 topics
  19. Superfluidity14▲ 42×2 topics
  20. Many-Body Localization14▲ 85×1 topic
  21. Particle Physics14▲ 24×2 topics
  22. Quantum Thermalization14▲ 85×1 topic
  23. Magnetic Fields14▲ 27×3 topics
  24. Accretion Disks14▲ 37×2 topics
  25. Communication13▲ 5.3×2 topics
  26. Computation13▲ 23×2 topics
  27. Cryptography13▲ 13×1 topic
  28. Quantum13▲ 20×1 topic
  29. Quantum Computing13▲ 16×4 topics
  30. Cosmic Rays13▲ 32×2 topics
  31. Neutrinos13▲ 32×2 topics
  32. Spintronics13▲ 12×4 topics
  33. Electronic Structure12▲ 8.7×7 topics
  34. Electronic Structure Calculations12▲ 23×2 topics
  35. Galactic Center12▲ 34×2 topics
  36. Topological Insulators11▲ 30×2 topics
  37. X-Ray Spectroscopy11▲ 32×2 topics
  38. Equation of State11▲ 26×2 topics
  39. Gamma-Ray Bursts10▲ 51×1 topic
  40. Neutron Stars10▲ 51×1 topic

Which research topics does RIKEN publish most on?

By volume in 2022–2025: Quantum many-body systems, Quantum Information and Cryptography, Pulsars and Gravitational Waves Research and Gamma-ray bursts and supernovae.

Quantum many-body systems14Quantum many-body systems: 14 fractional worksQuantum Information and …13Quantum Information and Cryptography: 13 fractional worksPulsars and Gravitational Waves Research: 10 fractional worksGamma-ray bursts and supernovae: 10 fractional worksTopological Materials and Phenomena: 10 fractional worksParticle physics theoretical and experimental studies: 9 fractional worksQuantum Chromodynamics and Particle Interactions: 9 fractional worksPhysics of Superconducti…9Physics of Superconductivity and Magnetism: 9 fractional worksQuantum and electron transport phenomena: 9 fractional worksAstrophysics and Cosmic Phenomena: 8 fractional works
Atomic and Molecular Physics, and OpticsArtificial IntelligenceAstronomy and AstrophysicsNuclear and High Energy Physics1 others

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

  1. 1 Quantum many-body systems Atomic and Molecular Physics, and Optics 14 works
  2. 2 Quantum Information and Cryptography Artificial Intelligence 13 works
  3. 3 Pulsars and Gravitational Waves Research Astronomy and Astrophysics 10 works
  4. 4 Gamma-ray bursts and supernovae Astronomy and Astrophysics 10 works
  5. 5 Topological Materials and Phenomena Atomic and Molecular Physics, and Optics 10 works
  6. 6 Particle physics theoretical and experimental studies Nuclear and High Energy Physics 9 works
  7. 7 Quantum Chromodynamics and Particle Interactions Nuclear and High Energy Physics 9 works
  8. 8 Physics of Superconductivity and Magnetism Condensed Matter Physics 9 works
  9. 9 Quantum and electron transport phenomena Atomic and Molecular Physics, and Optics 9 works
  10. 10 Astrophysics and Cosmic Phenomena Nuclear and High Energy Physics 8 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 available30.7%not open69.3%

World: 28% of research is openly available.

with international co-authors23.6%domestic only76.4%

World: 19% is written across borders.

How has RIKEN's research output changed?

Output in 2018–2022 was 9% 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 Wako

All research institutions in Wako

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.