William W. So

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Walnut, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
High power, high luminous flux light emitting diode and method of m...
- Patent number 7,642,183
- Issue date Jan 5, 2010
- Dalian Meiming
- Yongsheng Zhao
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
High power, high luminous flux light emitting diode and method of m...
- Patent number 7,193,245
- Issue date Mar 20, 2007
- Lumei Optoelectronics Corporation
- Yongsheng Zhao
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
High power, high luminous flux light emitting diode and method of m...
- Patent number 6,650,018
- Issue date Nov 18, 2003
- AXT, Inc.
- Yongsheng Zhao
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
High power, high luminous flux light emitting diode and method of m...
- Publication number 20050236637
- Publication date Oct 27, 2005
- Lumei Optoelectronics Corporation
- Yongsheng Zhao
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
High power, high luminous flux light emitting diode and method of m...
- Publication number 20050224823
- Publication date Oct 13, 2005
- Yongsheng Zhao
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
High power, high luminous flux light emitting diode and method of m...
- Publication number 20040041160
- Publication date Mar 4, 2004
- Yongsheng Zhao
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
HIGH POWER, HIGH LUMINOUS FLUX LIGHT EMITTING DIODE AND METHOD OF M...
- Publication number 20030218176
- Publication date Nov 27, 2003
- Yongsheng Zhao
- H01 - BASIC ELECTRIC ELEMENTS