Samuel Ngai

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San Francisco, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
LED solar illuminator
- Patent number 8,436,554
- Issue date May 7, 2013
- KLA-Tencor Corporation
- Guoheng Zhao
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Priori crack detection in solar photovoltaic wafers by detecting be...
- Patent number 8,023,110
- Issue date Sep 20, 2011
- KLA-Tencor Corporation
- Samuel Ngai
- G01 - MEASURING TESTING
Information Patent Grant
Detecting and repairing defects of photovoltaic devices
- Patent number 7,989,729
- Issue date Aug 2, 2011
- KLA-Tencor Corporation
- Guoheng Zhao
- G01 - MEASURING TESTING
Information Patent Grant
Segmented optical and electrical testing for photovoltaic devices
- Patent number 7,733,111
- Issue date Jun 8, 2010
- KLA-Tencor Corporation
- Guoheng Zhao
- F21 - LIGHTING
Information Patent Grant
Defect detection using time delay lock-in thermography (LIT) and da...
- Patent number 7,709,794
- Issue date May 4, 2010
- KLA-Tencor Corporation
- Guoheng Zhao
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Systems and Methods for Determining One or More Characteristics of...
- Publication number 20120281275
- Publication date Nov 8, 2012
- KLA-Tencor Corporation
- Ady Levy
- G01 - MEASURING TESTING
Information Patent Application
LED Solar Illuminator
- Publication number 20120256559
- Publication date Oct 11, 2012
- KLA-Tencor Corporation
- Guoheng Zhao
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
SYSTEMS AND METHODS FOR DETERMINING ONE OR MORE CHARACTERISTICS OF...
- Publication number 20100235114
- Publication date Sep 16, 2010
- KLA-Tencor Corporation
- Ady Levy
- G01 - MEASURING TESTING
Information Patent Application
DEFECT DETECTION USING TIME DELAY LOCK-IN THERMOGRAPHY (LIT) AND DA...
- Publication number 20100073665
- Publication date Mar 25, 2010
- KLA-Tencor Corporation
- Guoheng Zhao
- G01 - MEASURING TESTING
Information Patent Application
Defect Detection and Response
- Publication number 20100074515
- Publication date Mar 25, 2010
- KLA-Tencor Corporation
- Guoheng Zhao
- G06 - COMPUTING CALCULATING COUNTING