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University · Yokohama · Japan

Institute of Information Security

In research, Institute of Information Security stands highest in Computer Science (#4,341 of 7,020 worldwide) and Physical Sciences (#19,130 of 21,541 worldwide), over all time. Relative to its size it is most specialised in Computer Science — Computer Science is 8.5× its share of world research.

iisec.ac.jp/englishROR OpenAlex
World rank, 2022–2025
#27,772
of 28,054 · #36,776 all time
Rank in Japan
#1,063
of 1,070
Research works
362
▼ 10% vs 2013–17
Citations
2.7k
7.4 per fractional work
Top-10% rate
9.7%
record average 16.5%
Open access
39%
world 28%

What is Institute of Information Security 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
Computer ScienceField #4,341 of 7,020 18.0%248
Physical SciencesDomain #19,130 of 21,541 15.8%301

Each strip is that field’s whole ranked pool, with the notch where Institute of Information Security 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 Institute of Information Security specialise in?

Where its research is concentrated relative to its size: Computer Science takes 8.5× the share of its output that it takes of world research.

  1. Computer ScienceField · 41.5 works8.5×
← 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: 0.48× its world share, 1 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.07× its world share, 0 worksBiochemistry, Geneti…Chemistry: 0.72× its world share, 1 worksChemistryComputer Science: 8.48× its world share, 42 worksComputer ScienceEarth and Planetary Sciences: 0.24× its world share, 0 worksEarth and Planetary …Engineering: 0.58× its world share, 6 worksEngineeringEnvironmental Science: 0.11× its world share, 0 worksEnvironmental ScienceMaterials Science: 0.03× its world share, 0 worksMaterials ScienceMathematics: 0.08× its world share, 0 worksMathematicsPhysics and Astronomy: 0.72× its world share, 1 worksPhysics and AstronomyMedicine: 0.05× its world share, 1 worksMedicineBusiness, Management and Accounting: 1.24× its world share, 2 worksBusiness, Management…Decision Sciences: 1.85× its world share, 1 worksDecision SciencesPsychology: 0.75× its world share, 1 worksPsychologySocial Sciences: 0.78× its world share, 6 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Computer Science, 8.5×. Every wedge is a field page.

Who are the top researchers at Institute of Information Security?

Ranked on the composite score, Masaki Hashimoto and Takao Okubo lead among researchers whose main affiliation is Institute of Information Security.

  1. 1 Masaki Hashimoto Japan · #830,029 worldwide 56 citations · 26 works
  2. 2 Takao Okubo Japan · #1,380,790 worldwide 22 citations · 25 works
All ranked researchers at Institute of Information Security

Which keywords describe research at Institute of Information Security?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Machine Learning, Deep Learning, IoT Security, Cybersecurity, Security, Data Mining, Security Analysis and Behavioral Analysis.

▲ 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. Machine Learning20▲ 9.8×19 topics
  2. Deep Learning15▲ 6.9×18 topics
  3. IoT Security9▲ 46×3 topics
  4. Cybersecurity8▲ 53×2 topics
  5. Security7▲ 18×11 topics
  6. Data Mining7▲ 15×3 topics
  7. Anomaly Detection6▲ 35×3 topics
  8. Behavioral Analysis6▲ 86×2 topics
  9. Security Analysis6▲ 59×3 topics
  10. Network Security6▲ 74×2 topics
  11. Intrusion Detection5▲ 57×2 topics
  12. Botnet Detection5▲ 62×1 topic
  13. DDoS Attacks5▲ 62×1 topic
  14. Internet of Things5▲ 8.7×5 topics
  15. Risk Management5▲ 15×3 topics
  16. Detection4▲ 24×2 topics
  17. Privacy4▲ 24×4 topics
  18. Android Malware4▲ 82×1 topic
  19. Permission Analysis4▲ 82×1 topic
  20. Social Media4▲ 3.9×5 topics
  21. Healthcare3▲ 4.8×2 topics
  22. Supply Chain Management3▲ 5.8×2 topics
  23. Information Security3▲ 55×1 topic
  24. Policy Compliance3▲ 136×1 topic
  25. Blockchain3▲ 20×1 topic
  26. Side-Channel Attacks3▲ 107×3 topics
  27. Smart Contracts3▲ 30×1 topic
  28. Polarization3▲ 27×2 topics
  29. Cryptanalysis2▲ 48×3 topics
  30. Cloud Computing2▲ 13×3 topics
  31. Phishing2▲ 96×1 topic
  32. Spam Detection2▲ 96×1 topic
  33. Virtualization2▲ 42×2 topics
  34. Control-Flow Integrity2▲ 167×1 topic
  35. Fake News2▲ 47×1 topic
  36. Misinformation2▲ 47×1 topic
  37. Security Policies2▲ 167×1 topic
  38. Homomorphic Encryption2▲ 65×1 topic
  39. Identity-Based Encryption2▲ 65×1 topic
  40. Information Management2▲ 119×2 topics

Which research topics does Institute of Information Security publish most on?

By volume in 2022–2025: Network Security and Intrusion Detection, Advanced Malware Detection Techniques, Information and Cyber Security and Blockchain Technology Applications and Security.

Network Security and Intrusion Detection: 5 fractional worksAdvanced Malware Detection Techniques: 4 fractional worksInformation and Cyber Se…3Information and Cyber Security: 3 fractional worksBlockchain Technology Ap…3Blockchain Technology Applications and Security: 3 fractional worksSpam and Phishing Detection: 2 fractional worksSecurity and Verification in Computing: 2 fractional worksMisinformation and Its I…2Misinformation and Its Impacts: 2 fractional worksCryptography and Data Security: 2 fractional worksCybersecurity and Information Systems: 1 fractional worksInternet Traffic Analysis and Secure E-voting: 1 fractional works
Computer Networks and CommunicationsSignal ProcessingInformation SystemsArtificial Intelligence1 others

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

  1. 1 Network Security and Intrusion Detection Computer Networks and Communications 5 works
  2. 2 Advanced Malware Detection Techniques Signal Processing 4 works
  3. 3 Information and Cyber Security Information Systems 3 works
  4. 4 Blockchain Technology Applications and Security Information Systems 3 works
  5. 5 Spam and Phishing Detection Information Systems 2 works
  6. 6 Security and Verification in Computing Artificial Intelligence 2 works
  7. 7 Misinformation and Its Impacts Sociology and Political Science 2 works
  8. 8 Cryptography and Data Security Artificial Intelligence 2 works
  9. 9 Cybersecurity and Information Systems Computer Networks and Communications 1 works
  10. 10 Internet Traffic Analysis and Secure E-voting Artificial Intelligence 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 available39.3%not open60.7%

World: 28% of research is openly available.

with international co-authors26.7%domestic only73.3%

World: 19% is written across borders.

How has Institute of Information Security's research output changed?

Output in 2018–2022 was 10% 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 Yokohama

All research institutions in Yokohama

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.