Chang Wah Electromaterials Inc.

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Kaohsiung, TW

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Patents Grantslast 30 patents

Information Patent Grant
Lighting master and lighting device
- Patent number 8,651,728
- Issue date Feb 18, 2014
- Chang Wah Electromaterials, Inc.
- Wen-Kuei Tsai
- F21 - LIGHTING
Information Patent Grant
Power-saving lighting apparatus
- Patent number 8,585,241
- Issue date Nov 19, 2013
- Chang Wah Electromaterials Inc.
- Wen-Kuei Tsai
- F21 - LIGHTING

Patents Applicationslast 30 patents

Information Patent Application
SOLID-STATE LIGHTING HAVING AN AIR PASSAGE
- Publication number 20140177224
- Publication date Jun 26, 2014
- CHANG WAH ELECTROMATERIALS INC.
- WEN-KUEI TSAI
- F21 - LIGHTING
Information Patent Application
POWER CONVERTER CONTAINED BASE, LAMP WITH POWER CONVERTER CONTAINED...
- Publication number 20140084787
- Publication date Mar 27, 2014
- Chang Wah Electromaterials Inc.
- WEN-KUEI TSAI
- F21 - LIGHTING

Trademarklast 30 trademarks