Ryuichi Sakai

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Kyoto-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Key sharing method, secret key generating method, common key genera...
- Patent number 7,239,701
- Issue date Jul 3, 2007
- Murata Machinery Ltd.
- Kiyoshi Ogishi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Broadcast Cryptosystem, Crypto-Communication Method, Decryption Dev...
- Publication number 20080298582
- Publication date Dec 4, 2008
- Murata Kikai Kabushiki Kaisha
- Ryuichi SAKAI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Encryption method, decryption method, cryptographic communication s...
- Publication number 20010055387
- Publication date Dec 27, 2001
- MURATA KIKAI KABUSHIKI KAISHA
- Daisuke Suzuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE