Luo Cheng

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Beaverton, OR, US

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Patents Grantslast 30 patents

Information Patent Grant
Gray balance calibration in an image printing system
- Patent number 8,643,920
- Issue date Feb 4, 2014
- Xerox Corporation
- James B. Campbell
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method for adjusting operation of printheads in an ink p...
- Patent number 8,300,266
- Issue date Oct 30, 2012
- Xerox Corporation
- Andrew S. Yeh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method for calibrating a printing system to compensate f...
- Patent number 7,980,650
- Issue date Jul 19, 2011
- Xerox Corporation
- Yeqing Zhang
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents

Information Patent Application
GRAY BALANCE CALIBRATION IN AN IMAGE PRINTING SYSTEM
- Publication number 20120327476
- Publication date Dec 27, 2012
- Xerox Corporation
- James B. Campbell
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
System And Method For Adjusting Operation Of Printheads In An Ink P...
- Publication number 20100232652
- Publication date Sep 16, 2010
- Xerox Corporation
- Andrew S. Yeh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
System and method for calibrating a printing system to compensate f...
- Publication number 20090040261
- Publication date Feb 12, 2009
- XEROX Corporation
- Yeqing Zhang
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS