Nariyasu Hamada

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Inagi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Authentication system managing method
- Patent number 8,079,061
- Issue date Dec 13, 2011
- Hitachi, Ltd.
- Kazuhiko Taniguchi
- G07 - CHECKING-DEVICES
Information Patent Grant
Electronic transaction method and system
- Patent number 6,520,409
- Issue date Feb 18, 2003
- Hitachi, Ltd.
- Masakatsu Mori
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Electronic transaction method and system
- Patent number 6,073,839
- Issue date Jun 13, 2000
- Hitachi, Ltd.
- Masakatsu Mori
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Electronic transaction method and system
- Patent number 5,880,446
- Issue date Mar 9, 1999
- Hitachi, Ltd.
- Masakatsu Mori
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
AUTHENTICATION SYSTEM MANAGING METHOD
- Publication number 20080178262
- Publication date Jul 24, 2008
- Kazuhiko TANIGUCHI
- G06 - COMPUTING CALCULATING COUNTING