WEN-CHIEH CHANG CHIEN

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TAIPEI COUNTY, TW

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Patents Grantslast 30 patents

Information Patent Grant
Custom assembly light-emitting module
- Patent number 7,926,985
- Issue date Apr 19, 2011
- Ledtech Electronics Corp.
- Chien-Chen Teng
- F21 - LIGHTING

Patents Applicationslast 30 patents

Information Patent Application
CUSTOM ASSEMBLY LIGHT-EMITTING MODULE
- Publication number 20100128485
- Publication date May 27, 2010
- LEDTECH ELECTRONICS CORP.
- CHIEN-CHEN TENG
- F21 - LIGHTING
Information Patent Application
Custom assembly light-emitting module
- Publication number 20100103657
- Publication date Apr 29, 2010
- Chien-Chen Teng
- F21 - LIGHTING
Information Patent Application
Custom assembly light-emitting module
- Publication number 20100020542
- Publication date Jan 28, 2010
- Chien-Chen Teng
- F21 - LIGHTING