Hiroharu Yoshikawa

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Zama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Enciphering/deciphering device and method, and encryption/decryptio...
- Patent number 5,870,477
- Issue date Feb 9, 1999
- Pumpkin House Incorporated
- Minoru Sasaki
- G06 - COMPUTING CALCULATING COUNTING