Yi Qiao

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Woodbury, MN, US

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Patents Applicationslast 30 patents

Information Patent Application
METHOD AND APPARATUS FOR MEASURING THE THREE DIMENSIONAL STRUCTURE...
- Publication number 20150009301
- Publication date Jan 8, 2015
- 3M Innovative Properties Company
- Evan J. Ribnick
- G01 - MEASURING TESTING
Information Patent Application
SENSOR FOR MEASURING SURFACE NON-UNIFORMITY
- Publication number 20140362371
- Publication date Dec 11, 2014
- Yi Qiao
- G01 - MEASURING TESTING
Information Patent Application
LINEWIDTH MEASUREMENT SYSTEM
- Publication number 20140240720
- Publication date Aug 28, 2014
- Yi Qiao
- G01 - MEASURING TESTING
Information Patent Application
HIGH RESOLUTION AUTOFOCUS INSPECTION SYSTEM
- Publication number 20130113919
- Publication date May 9, 2013
- 3M Innovative Properties Company
- Yi Qiao
- G01 - MEASURING TESTING