Han-Jen Chuang

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Kee-Lung City, TW

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Patents Grantslast 30 patents

Information Patent Grant
Light emitting diode modules for illuminated signs
- Patent number 6,558,021
- Issue date May 6, 2003
- Leotek Electronics Corporation
- Chen H. Wu
- F21 - LIGHTING

Patents Applicationslast 30 patents

Information Patent Application
Light emitting diode modules for illuminated signs
- Publication number 20030031032
- Publication date Feb 13, 2003
- Chen H. Wu
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS