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Rakuten (Japan)

In research, Rakuten (Japan) stands highest in Physical Sciences (#11,810 of 12,888 worldwide), 2022–2025.

global.rakuten.com/enROR OpenAlex
World rank, 2022–2025
#22,292
of 28,054 · #31,368 all time
Rank in Japan
#705
of 1,070
Research works
316
▲ 82% vs 2013–17
Citations
2.8k
9.0 per fractional work
Top-10% rate
13.9%
record average 16.5%
Open access
42%
world 28%

What is Rakuten (Japan) 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 #11,810 of 12,888 11.7%75 #17917

Each strip is that field’s whole ranked pool, with the notch where Rakuten (Japan) 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: 0.37× its world share, 2 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.21× its world share, 1 worksBiochemistry, Geneti…Immunology and Microbiology: 0.27× its world share, 0 worksImmunology and Micro…Pharmacology, Toxicology and Pharmaceutics: 0.08× its world share, 0 worksPharmacology, Toxico…Chemistry: 0.46× its world share, 1 worksChemistryComputer Science: 6.60× its world share, 52 worksComputer ScienceEarth and Planetary Sciences: 0.20× its world share, 0 worksEarth and Planetary …Engineering: 0.99× its world share, 15 worksEngineeringEnvironmental Science: 0.37× its world share, 2 worksEnvironmental ScienceMaterials Science: 0.24× its world share, 1 worksMaterials ScienceMathematics: 0.90× its world share, 1 worksMathematicsPhysics and Astronomy: 1.30× its world share, 3 worksPhysics and AstronomyHealth Professions: 0.25× its world share, 1 worksHealth ProfessionsMedicine: 0.31× its world share, 6 worksMedicineNursing: 2.02× its world share, 1 worksNursingArts and Humanities: 0.46× its world share, 1 worksArts and HumanitiesBusiness, Management and Accounting: 1.00× its world share, 3 worksBusiness, Management…Decision Sciences: 1.02× its world share, 1 worksDecision SciencesEconomics, Econometrics and Finance: 0.50× its world share, 1 worksEconomics, Econometr…Psychology: 0.53× its world share, 2 worksPsychologySocial Sciences: 0.56× 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, 6.6×. Every wedge is a field page.

Who are the top researchers at Rakuten (Japan)?

Ranked on the composite score, Soh Masuko, Masato Hagiwara and Saber Jafarizadeh lead among researchers whose main affiliation is Rakuten (Japan).

  1. 1 Soh Masuko Japan · #1,213,219 worldwide 9 citations · 21 works
  2. 2 Masato Hagiwara Japan · #1,431,992 worldwide 27 citations · 19 works
  3. 3 Saber Jafarizadeh Japan · #1,528,392 worldwide 20 citations · 16 works
All ranked researchers at Rakuten (Japan)

Which keywords describe research at Rakuten (Japan)?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Deep Learning, Neural Networks, Information Retrieval, Machine Learning, Text Classification, 5G Networks, Topic Modeling and Machine Translation.

▲ 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 Learning17▲ 5.0×39 topics
  2. Neural Networks13▲ 8.5×21 topics
  3. Machine Learning9▲ 2.8×27 topics
  4. Information Retrieval7▲ 32×3 topics
  5. Text Classification6▲ 35×2 topics
  6. Energy Efficiency4▲ 4.8×9 topics
  7. Convolutional Neural Networks4▲ 5.4×9 topics
  8. 5G Networks4▲ 18×4 topics
  9. Topic Modeling4▲ 25×2 topics
  10. Machine Translation4▲ 22×1 topic
  11. Word Representation4▲ 30×1 topic
  12. Artificial Intelligence3▲ 2.3×9 topics
  13. Big Data3▲ 3.4×10 topics
  14. Neural Machine Translation3▲ 32×1 topic
  15. Statistical Machine Translation3▲ 32×1 topic
  16. Network Dynamics3▲ 29×3 topics
  17. Feature Selection3▲ 13×4 topics
  18. Travel Behavior3▲ 30×2 topics
  19. Text Mining3▲ 19×3 topics
  20. GPS Data2▲ 66×1 topic
  21. Human Mobility2▲ 66×1 topic
  22. Data Mining2▲ 3.2×6 topics
  23. Security and Privacy2▲ 12×2 topics
  24. Social Influence2▲ 11×2 topics
  25. Channel Modeling2▲ 17×3 topics
  26. Complex Networks2▲ 37×2 topics
  27. Distributed Systems2▲ 13×5 topics
  28. Health Monitoring2▲ 10×3 topics
  29. Synchronization2▲ 18×2 topics
  30. Wearable Sensors2▲ 19×3 topics
  31. Wireless Networks2▲ 14×3 topics
  32. Human-Robot Interaction2▲ 20×3 topics
  33. Multi-label Learning2▲ 67×1 topic
  34. Naive Bayes Classifier2▲ 23×1 topic
  35. Anomaly Detection2▲ 6.3×4 topics
  36. Opinion Mining2▲ 35×1 topic
  37. Sentiment Analysis2▲ 17×1 topic
  38. Cloud Computing2▲ 6.3×3 topics
  39. Service Robots2▲ 22×2 topics
  40. MAC Protocols2▲ 23×2 topics

Which research topics does Rakuten (Japan) publish most on?

By volume in 2022–2025: Topic Modeling, Natural Language Processing Techniques, Human Mobility and Location-Based Analysis and Text and Document Classification Technologies.

Topic Modeling4Topic Modeling: 4 fractional worksNatural Language Processing Techniques: 3 fractional worksHuman Mobility and Locat…2Human Mobility and Location-Based Analysis: 2 fractional worksText and Document Classi…2Text and Document Classification Technologies: 2 fractional worksSentiment Analysis and Opinion Mining: 2 fractional worksComplex Network Analysis Techniques: 2 fractional worksNeural Networks Stabilit…2Neural Networks Stability and Synchronization: 2 fractional worksSoftware-Defined Networks and 5G: 1 fractional worksAI in Service Interactions: 1 fractional worksMultimodal Machine Learning Applications: 1 fractional works
Artificial IntelligenceTransportationStatistical and Nonlinear PhysicsComputer Networks and Communications1 others

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

  1. 1 Topic Modeling Artificial Intelligence 4 works
  2. 2 Natural Language Processing Techniques Artificial Intelligence 3 works
  3. 3 Human Mobility and Location-Based Analysis Transportation 2 works
  4. 4 Text and Document Classification Technologies Artificial Intelligence 2 works
  5. 5 Sentiment Analysis and Opinion Mining Artificial Intelligence 2 works
  6. 6 Complex Network Analysis Techniques Statistical and Nonlinear Physics 2 works
  7. 7 Neural Networks Stability and Synchronization Computer Networks and Communications 2 works
  8. 8 Software-Defined Networks and 5G Computer Networks and Communications 1 works
  9. 9 AI in Service Interactions Artificial Intelligence 1 works
  10. 10 Multimodal Machine Learning Applications Computer Vision and Pattern Recognition 1 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 available41.9%not open58.1%

World: 28% of research is openly available.

with international co-authors26.2%domestic only73.8%

World: 19% is written across borders.

How has Rakuten (Japan)'s research output changed?

Output in 2018–2022 was 82% 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 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.