Ching Yuan Chung

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Longtan Shiang, TW

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Patents Grantslast 30 patents

Information Patent Grant
Internally illuminated light panel with LED modules having light re...
- Patent number 7,172,324
- Issue date Feb 6, 2007
- Leotek Electronics Corporation
- Chen-Ho Wu
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Patents Applicationslast 30 patents

Information Patent Application
Internally illuminated light panel with LED modules having light re...
- Publication number 20050174802
- Publication date Aug 11, 2005
- Chen-Ho Wu
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS