Dragon Chang

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Shindian City, TW

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Patents Grantslast 30 patents

Information Patent Grant
Digital illumination adjusting circuit
- Patent number 6,329,766
- Issue date Dec 11, 2001
- Daniel Liu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
Light-emitting device with light softening cover
- Publication number 20040105279
- Publication date Jun 3, 2004
- Daniel Liu
- F21 - LIGHTING
Information Patent Application
Electronic load simulation circuit with serially connected impedanc...
- Publication number 20040036496
- Publication date Feb 26, 2004
- Daniel Liu
- G01 - MEASURING TESTING