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Researcher · NTT (Japan) · Japan

Tatsuaki Okamoto

Tatsuaki Okamoto publishes mostly in Artificial Intelligence, Computational Theory and Mathematics and Computer Networks and Communications, on topics such as Cryptography and Data Security, Complexity and Algorithms in Graphs and Coding theory and cryptography.

World rank
#34,745
of 1,633,909 ranked researchers
Rank in Japan
#509
of 114,622
Works
55
Citations
702
Citations per work
12.8

What does Tatsuaki Okamoto research?

Artificial Intelligence: 45.1%Computational Theory and Mathematics: 14.6%Computer Networks and Communications: 11.0%Information Systems: 9.8%other fields: 19.5%45%top field
Artificial Intelligence45.1%Computational Theory and Mathematics14.6%Computer Networks and Communications11.0%Information Systems9.8%other fields19.5%

Shares of their own output, by the field each of their topics belongs to. The grey slice is everything not listed.

  1. 1Artificial Intelligence45% of their works
  2. 2Computational Theory and Mathematics15% of their works
  3. 3Computer Networks and Communications11% of their works
  4. 4Information Systems10% of their works
  5. 5Electrical and Electronic Engineering5% of their works
  6. 6Computer Vision and Pattern Recognition4% of their works

Research topics

Which keywords describe Tatsuaki Okamoto's research?

The keywords of their largest research topics: Homomorphic Encryption, Identity-Based Encryption, Cryptanalysis, Approximation Algorithms, Combinatorial Optimization, Security Analysis, Cryptography and Error-Correcting Codes.

Size is their works in the topics tagged with each word, from their 8 largest topics. Each links to the topic it comes from most.

All 18 words, with their numbers
  1. Homomorphic Encryption201 topic
  2. Identity-Based Encryption201 topic
  3. Cryptanalysis113 topics
  4. Approximation Algorithms101 topic
  5. Combinatorial Optimization101 topic
  6. Security Analysis82 topics
  7. Cryptography61 topic
  8. Error-Correcting Codes61 topic
  9. Block Ciphers51 topic
  10. Hash Functions51 topic
  11. Differential Privacy41 topic
  12. Federated Learning41 topic
  13. Fiber Bragg Grating41 topic
  14. Spectral Amplitude Coding41 topic
  15. Authentication31 topic
  16. Chaos31 topic
  17. Image Encryption31 topic
  18. Key Exchange31 topic

Where does Tatsuaki Okamoto work?

Tatsuaki Okamoto's main affiliation in the publication record is NTT (Japan), Japan.

How many publications and citations does Tatsuaki Okamoto have?

Science Explorer counts 55 works and 702 citations for Tatsuaki Okamoto, ranking #34,745 of 1,633,909 researchers worldwide on the composite score.

Ranked on field-normalised excellence (50%), output (30%) and citations (20%). Counts come from OpenAlex author records, which occasionally merge different people who share a name or split one person into several.

Papers, co-authors, who cited this work and researchers on the nearest topics are in the interactive view on the map. Is this your page? Request a correction or removal.