Average Co-Inventor Count = 1.20
ph-index = 4
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. National Institute of Information and Communications Technology, Incorporated Administrative Agency (9 from 92 patents)
2. Other (8 from 832,912 patents)
3. National Institute of Information and Communications Technology, Incorporated (4 from 364 patents)
4. Japan Science and Technology Agency (2 from 1,311 patents)
5. Japan Science and Technology Corporation (1 from 373 patents)
6. The Institute of Physical and Chemical Research (1 from 91 patents)
7. Communications Research Laboratory Ministry of Posts and Telecommunications (1 from 2 patents)
8. Chaosware Inc. (1 from 1 patent)
9. Independent Administrative Institution Japan Science and Technology Agency (0 patent)
10. Umeno, Ken (0 patent)
22 patents:
1. 8265268 - Converter, encryption/decryption system, multi-stage converter, converting method, multi-stage converting method, program, and information recording medium
2. 7925014 - Random number generating, encrypting, and decrypting apparatus, method thereof, program thereof, and recording medium thereof
3. 7697590 - Communicating apparatus and communicating method
4. 7577182 - Transmitter apparatus, receiver apparatus, transmission method, reception method and program
5. 7548618 - Converter, encryption/decryption system, multi-stage converter, converting method, multi-stage converting method, program, and information recording medium
6. 7471714 - Random number sequence sharing system, random number sequence sharing apparatus, codec system, coding apparatus, decoding apparatus, random number sequence sharing method, coding method, decoding method, and program product
7. 7472147 - Random number string output apparatus, random number string output method, program, and information recording medium
8. 7466780 - Pseudo-random number sequence filter, filtering method and data recording medium
9. 7421463 - Random sequence generating apparatus, encryption/decryption apparatus, random sequence generating method, encryption/decryption method and program
10. 7411997 - Apparatus and method for filtering a spectrum spread communication
11. 7317763 - Pulse generator, pulse generating method, communicating apparatus, and communicating method
12. 7257608 - Apparatus and method for outputting sequence of vectors, data recording medium, and carrier wave signal
13. 7237110 - Authentication system, authentication apparatus, authentication target apparatus, authentication method, method of being authenticated, program and information recording medium
14. 7231048 - Key sharing system, public key cryptosystem, signature system, key sharing apparatus, encryption apparatus, decryption apparatus, signature apparatus, authentication apparatus, key sharing method, encryption method, decryption method, signature method, authentication method, and programs
15. 7099366 - Pseudo-random number sequence output unit, transmitter, receiver, communication system and filter unit