Masami UZAWA

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Validation server, validation method, and program
- Patent number 8,819,417
- Issue date Aug 26, 2014
- Hitachi, Ltd.
- Yoko Hashimoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method of validation public key certificate and validation server
- Patent number 8,635,449
- Issue date Jan 21, 2014
- Hitachi, Ltd.
- Akane Sato
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method of validation public key certificate and validation server
- Patent number 8,347,082
- Issue date Jan 1, 2013
- Hitachi, Ltd.
- Akane Sato
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Validation server, validation method, and program
- Patent number 8,176,316
- Issue date May 8, 2012
- Hitachi, Ltd.
- Yoko Hashimoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
METHOD OF VALIDATION PUBLIC KEY CERTIFICATE AND VALIDATION SERVER
- Publication number 20130061043
- Publication date Mar 7, 2013
- Hitachi Ltd.
- Akane SATO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
VALIDATION SERVER, VALIDATION METHOD, AND PROGRAM
- Publication number 20120159158
- Publication date Jun 21, 2012
- Hitachi, Ltd
- Yoko HASHIMOTO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD OF VALIDATION PUBLIC KEY CERTIFICATE AND VALIDATION SERVER
- Publication number 20100122081
- Publication date May 13, 2010
- Akane SATO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
VALIDATION SERVER, VALIDATION METHOD, AND PROGRAM
- Publication number 20090300349
- Publication date Dec 3, 2009
- Yoko HASHIMOTO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Validation Server, Program and Verification Method
- Publication number 20080301439
- Publication date Dec 4, 2008
- Yoko HASHIMOTO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE