Tatsuya Yamamoto

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Chiba, JP

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Patents Grantslast 30 patents

Information Patent Grant
Navigation device, map displaying method and image display device
- Patent number 6,954,696
- Issue date Oct 11, 2005
- Sony Corporation
- Koji Ihara
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Navigation device, digital map display system, digital map displayi...
- Patent number 6,772,063
- Issue date Aug 3, 2004
- Sony Corporation
- Koji Ihara
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Navigation device, map displaying method and image display device
- Publication number 20030069689
- Publication date Apr 10, 2003
- Koji Ihara
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Navigation device, digital map display system, digital map displayi...
- Publication number 20030050753
- Publication date Mar 13, 2003
- Koji Ihara
- G01 - MEASURING TESTING