Chun Guan

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Lexington, KY, US

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Patents Grantslast 30 patents

Information Patent Grant
Monitoring changes in photomask defectivity
- Patent number 9,892,503
- Issue date Feb 13, 2018
- KLA-Tencor Corporation
- Chun Guan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Monitoring changes in photomask defectivity
- Patent number 9,518,935
- Issue date Dec 13, 2016
- KLA-Tencor Corporation
- Chun Guan
- G01 - MEASURING TESTING
Information Patent Grant
Database-driven cell-to-cell reticle inspection
- Patent number 8,914,754
- Issue date Dec 16, 2014
- KLA-Tencor Corporation
- Carl Hess
- G01 - MEASURING TESTING
Information Patent Grant
System and technique for retrieving depth information about a surfa...
- Patent number 7,844,079
- Issue date Nov 30, 2010
- University of Kentucky Research Foundation (UKRF)
- Laurence G. Hassebrook
- G01 - MEASURING TESTING
Information Patent Grant
System and technique for retrieving depth information about a surfa...
- Patent number 7,440,590
- Issue date Oct 21, 2008
- University of Kentucky Research Foundation
- Laurence G. Hassebrook
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
MONITORING CHANGES IN PHOTOMASK DEFECTIVITY
- Publication number 20170053395
- Publication date Feb 23, 2017
- KLA-Tencor Corporation
- Chun Guan
- G01 - MEASURING TESTING
Information Patent Application
MONITORING CHANGES IN PHOTOMASK DEFECTIVITY
- Publication number 20150029498
- Publication date Jan 29, 2015
- KLA-Tencor Corporation
- Chun Guan
- G01 - MEASURING TESTING
Information Patent Application
Database-Driven Cell-to-Cell Reticle Inspection
- Publication number 20130111417
- Publication date May 2, 2013
- KLA-TENCOR CORPORATION
- Carl Hess
- G01 - MEASURING TESTING
Information Patent Application
System and technique for retrieving depth information about a surfa...
- Publication number 20090016572
- Publication date Jan 15, 2009
- University of Kentucky Research Foundation (UKRF), Colorado non-profit
- Laurence G. Hassebrook
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SYSTEM AND TECHNIQUE FOR RETRIEVING DEPTH INFORMATION ABOUT A SURFA...
- Publication number 20080279446
- Publication date Nov 13, 2008
- University of Kentucky Research Foundation
- Laurence G. Hassebrook
- G06 - COMPUTING CALCULATING COUNTING