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Guoqing Xiao
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San Jose, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Adjustable split-beam optical probing (ASOP)
Patent number
9,417,281
Issue date
Aug 16, 2016
CHECKPOINT TECHNOLOGIES LLC
Horst E. Groneberg
G01 - MEASURING TESTING
Information
Patent Grant
Multi-magnification high sensitivity optical system for probing ele...
Patent number
9,217,855
Issue date
Dec 22, 2015
CheckPoint Technologies, LLC
Thomas E Clawges
G02 - OPTICS
Information
Patent Grant
Optical probe system having accurate positional and orientational a...
Patent number
9,182,580
Issue date
Nov 10, 2015
CheckPoint Technologies, LLC
Thomas E Clawges
G02 - OPTICS
Information
Patent Grant
Multi-resolution optical probing system having reliable temperature...
Patent number
9,030,658
Issue date
May 12, 2015
CheckPoint Technologies, LLC
David J Morgan
G01 - MEASURING TESTING
Information
Patent Grant
Probing circuit features in sub-32 NM semiconductor integrated circuit
Patent number
9,025,147
Issue date
May 5, 2015
CheckPoint Technologies, LLC
Yaoming Shen
G01 - MEASURING TESTING
Information
Patent Grant
Optical probing system having reliable temperature control
Patent number
8,873,032
Issue date
Oct 28, 2014
CheckPoint Technologies, LLC
David J Morgan
G01 - MEASURING TESTING
Information
Patent Grant
Probing circuit features in sub-32 nm semiconductor integrated circuit
Patent number
8,749,784
Issue date
Jun 10, 2014
CheckPoint Technologies, LLC
Yaoming Shen
G01 - MEASURING TESTING
Information
Patent Grant
System and method for optically determining the temperature of a te...
Patent number
6,168,311
Issue date
Jan 2, 2001
Checkpoint Technologies LLC
Guoqing Xiao
G01 - MEASURING TESTING
Information
Patent Grant
Single aperture confocal imaging system
Patent number
5,537,247
Issue date
Jul 16, 1996
Technical Instrument Company
Guoqing Xiao
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
MICROSCOPE WITH DETECTOR STOP MATCHING
Publication number
20150153232
Publication date
Jun 4, 2015
Checkpoint Technologies LLC
Guoqing Xiao
G02 - OPTICS