Wei-Kai Wang

Person

Shengang Township, TW

People

Patents Grantslast 30 patents

Information Patent Grant
Semiconductor light-emitting device with high light-extraction effi...
- Patent number 7,956,373
- Issue date Jun 7, 2011
- Huga Optotech, Inc.
- Wei-Kai Wang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
High efficiency lighting device
- Patent number 7,947,991
- Issue date May 24, 2011
- Huga Optotech Inc.
- Wei-Kai Wang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor light-emitting device
- Patent number 7,923,744
- Issue date Apr 12, 2011
- Huga Optotech Inc.
- Tzong-Liang Tsai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor light-emitting device
- Patent number 7,768,027
- Issue date Aug 3, 2010
- Huga Optotech Inc.
- Tzong-Liang Tsai
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
SEMICONDUCTOR LIGHT-EMITTING DEVICE
- Publication number 20100230706
- Publication date Sep 16, 2010
- HUGA OPTOTECH INC.
- Tzong-Liang Tsai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
HIGH EFFICIENCY LIGHTING DEVICE
- Publication number 20100025704
- Publication date Feb 4, 2010
- HUGA OPTOTECH INC.
- Wei-Kai Wang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
HIGH EFFICIENCY LIGHTING DEVICE AND MANUFACTURING METHOD THEREOF
- Publication number 20100025705
- Publication date Feb 4, 2010
- HUGA OPTOTECH INC.
- Wei-Kai Wang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR LIGHT-EMITTING DEVICE
- Publication number 20090212311
- Publication date Aug 27, 2009
- HUGA OPTOTECH INC.
- Tzong-Liang Tsai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR LIGHT-EMITTING DEVICE
- Publication number 20090212312
- Publication date Aug 27, 2009
- Tzong-Liang TSAI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Semiconductor light-emitting device with low-density defects and me...
- Publication number 20090008657
- Publication date Jan 8, 2009
- HUGA OPTOTECH INC.
- Wei-Kai Wang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Semiconductor light-emitting device with high light-extraction effi...
- Publication number 20080258163
- Publication date Oct 23, 2008
- HUGA OPTOTECH, INC.
- Wei-Kai Wang
- H01 - BASIC ELECTRIC ELEMENTS

Wei-Kai Wang

Person

Patents Grantslast 30 patents

Semiconductor light-emitting device with high light-extraction effi...

High efficiency lighting device

Semiconductor light-emitting device

Semiconductor light-emitting device

Patents Applicationslast 30 patents

SEMICONDUCTOR LIGHT-EMITTING DEVICE

HIGH EFFICIENCY LIGHTING DEVICE

HIGH EFFICIENCY LIGHTING DEVICE AND MANUFACTURING METHOD THEREOF

SEMICONDUCTOR LIGHT-EMITTING DEVICE

SEMICONDUCTOR LIGHT-EMITTING DEVICE

Semiconductor light-emitting device with low-density defects and me...

Semiconductor light-emitting device with high light-extraction effi...