Science Explorer Back to mapMap
Discussion
World rank
#152,531
of 7,710,434 ranked researchers
Rank in Japan
#1,070
of 383,136
Works
183
Citations
13k
Citations per work
71.3

What does Tatsuaki Okamoto research?

Tatsuaki Okamoto's work is mostly in Computer Science (87%), Engineering (3%).

Physical Sciences90%

Their six largest subfields, inside their fields and domains; the grey slice is everything else they publish. The interactive view splits every one of their works down to single topics.

The fields and subfields, with their numbers
    1. Computer Science15886.6%
    2. Engineering52.9%
  1. Everything else1910.5%
  1. 1Artificial Intelligence51% of their works
  2. 2Computational Theory and Mathematics13% of their works
  3. 3Information Systems10% of their works
  4. 4Computer Networks and Communications7% of their works
  5. 5Computer Vision and Pattern Recognition6% of their works
  6. 6Electrical and Electronic Engineering3% 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, Hardware Implementations, Side-Channel Attacks, Security Analysis, Cryptography and Approximation Algorithms.

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. The words come from the keyword list OpenAlex gives each topic, not from the text of the papers, so a word can appear that none of the papers uses.

All 21 words, with their numbers
  1. Homomorphic Encryption1351 topic
  2. Identity-Based Encryption1351 topic
  3. Cryptanalysis903 topics
  4. Hardware Implementations712 topics
  5. Side-Channel Attacks712 topics
  6. Security Analysis702 topics
  7. Cryptography602 topics
  8. Approximation Algorithms501 topic
  9. Combinatorial Optimization501 topic
  10. Block Ciphers421 topic
  11. Hash Functions421 topic
  12. Algebraic Attacks311 topic
  13. Error-Correcting Codes311 topic
  14. Elliptic Curves291 topic
  15. Pairing-Based Cryptosystems291 topic
  16. Chaos281 topic
  17. Image Encryption281 topic
  18. Differential Privacy261 topic
  19. Federated Learning261 topic
  20. Authentication201 topic
  21. Key Exchange201 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?

OpenAlex counts 183 works and 13,042 citations for Tatsuaki Okamoto, an h-index of 47, ranking #152,531 of 7,710,434 researchers worldwide on the quality score.

Ranked on field-normalised citation 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 have tabs of their own, above. Is this your page? Claim it with your ORCID iD, or request a correction or removal.

Discussion

Ask a question or share a note about Tatsuaki Okamoto. Keep it to the research: no personal attacks, advertising or links. Any reader can report a post, which collapses it for everyone until it is opened.