Hisao Sakazaki

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Fujisawa, JP

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Patents Applicationslast 30 patents

Information Patent Application
Attribute Certificate Verification Method and System
- Publication number 20080016335
- Publication date Jan 17, 2008
- Aya Takahashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Electronic certificate validity check system and its method
- Publication number 20050193192
- Publication date Sep 1, 2005
- Hisao Sakazaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE