Johnny Wu

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Taipei County, TW

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Patents Grantslast 30 patents

Information Patent Grant
LED device with high color-rendering index
- Patent number 8,235,538
- Issue date Aug 7, 2012
- Chih-Hung Wei
- F21 - LIGHTING

Patents Applicationslast 30 patents

Information Patent Application
LED Device With High Color-Rendering Index
- Publication number 20110051408
- Publication date Mar 3, 2011
- Chih-Hung Wei
- F21 - LIGHTING
Information Patent Application
Light-Emitting Diode With High Color-Rendering Index
- Publication number 20110049539
- Publication date Mar 3, 2011
- HIGH POWER LIGHTING CORPORATION
- Chih-Hung Wei
- H01 - BASIC ELECTRIC ELEMENTS