Takafumi Kagawa

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Computer system and program creating device
- Patent number 7,962,746
- Issue date Jun 14, 2011
- Panasonic Corporation
- Tomoyuki Haga
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Electronic device, update server device, key update device
- Patent number 7,934,256
- Issue date Apr 26, 2011
- Panasonic Corporation
- Hideki Matsushima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
ELECTRONIC DEVICE, UPDATE SERVER DEVICE, KEY UPDATE DEVICE
- Publication number 20090193521
- Publication date Jul 30, 2009
- Hideki Matsushima
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
COMPUTER SYSTEM AND PROGRAM CREATING DEVICE
- Publication number 20090106832
- Publication date Apr 23, 2009
- Matsushita Electric Industrial Co., Ltd.
- Tomoyuki Haga
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Secure Processing Device and Secure Processing System
- Publication number 20080168562
- Publication date Jul 10, 2008
- Tomoyuki Haga
- G06 - COMPUTING CALCULATING COUNTING