Chun-Yi Tsai

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Sindien City, TW

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Patents Grantslast 30 patents

Information Patent Grant
External electrical-control lamp with improved structure
- Patent number 8,390,202
- Issue date Mar 5, 2013
- Ecolighting, Inc Corp.
- Shih-Jen Chuang
- F21 - LIGHTING

Patents Applicationslast 30 patents

Information Patent Application
EXTERNAL ELECTRICAL-CONTROL LAMP WITH IMPROVED STRUCTURE
- Publication number 20120169228
- Publication date Jul 5, 2012
- ECOLIGHTING, INC CORP.
- Shih-Jen CHUANG
- F21 - LIGHTING
Information Patent Application
LED DRIVING DEVICE
- Publication number 20120091894
- Publication date Apr 19, 2012
- SHIH-JEN CHUANG
- F21 - LIGHTING