Yoshihiko Awa

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Hokkaido, JP

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Patents Grantslast 30 patents

Information Patent Grant
Display device by columnar light
- Patent number 6,739,741
- Issue date May 25, 2004
- APT Co., Ltd.
- Yoshihiko Awa
- G08 - SIGNALLING

Patents Applicationslast 30 patents

Information Patent Application
DISPLAY DEVICE BY COLUMNAR LIGHT
- Publication number 20040062049
- Publication date Apr 1, 2004
- Yoshihiko Awa
- G08 - SIGNALLING