Zhenhuan Wen

Person

Rochester, NY, US

People

Patents Grantslast 30 patents

Information Patent Grant
Scanner calibration using inverse matrix
- Patent number 9,025,222
- Issue date May 5, 2015
- Xerox Corporation
- Xing Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Black trapping methods, apparatus and systems for binary images
- Patent number 8,995,021
- Issue date Mar 31, 2015
- Xerox Corporation
- Xing Li
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
System and method for color calibration of a color printing system...
- Patent number 8,896,892
- Issue date Nov 25, 2014
- Xerox Corporation
- Zhenhuan Wen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and system for isolated hole detection and growth in a docum...
- Patent number 8,842,342
- Issue date Sep 23, 2014
- Xerox Corporation
- Xing Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Dot growth system and method
- Patent number 8,810,859
- Issue date Aug 19, 2014
- Xerox Corporation
- Amal Malik
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and system for isolated dot detection and growth in a docume...
- Patent number 8,804,200
- Issue date Aug 12, 2014
- Xerox Corporation
- Xing Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Systems and methods for dynamic sharpness control in system using b...
- Patent number 8,705,140
- Issue date Apr 22, 2014
- Xerox Corporation
- Xing Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Dot growth system and method
- Patent number 8,670,157
- Issue date Mar 11, 2014
- Xerox Corporation
- Amal Malik
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Isolated hole detection and growth
- Patent number 8,665,499
- Issue date Mar 4, 2014
- Xerox Corporation
- Amal Malik
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Isolated hole detection and growth
- Patent number 8,643,905
- Issue date Feb 4, 2014
- Xerox Corporation
- Amal Malik
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method of processing neutral gray color print jobs as monochrome bl...
- Patent number 8,422,078
- Issue date Apr 16, 2013
- Xerox Corporation
- Zhenhuan Wen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method of processing neutral gray color print jobs as monochrome bl...
- Patent number 8,253,979
- Issue date Aug 28, 2012
- Xerox Corporation
- Zhenhuan Wen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Adjusting the neutral behavior of a color marking device
- Patent number 8,194,288
- Issue date Jun 5, 2012
- Xerox Corporation
- Zhenhuan Wen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Color printing reducing artifacts and banding by rendering black do...
- Patent number 8,068,257
- Issue date Nov 29, 2011
- Xerox Corp.
- Xing Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Converting black to composite black in digital printing
- Patent number 7,847,975
- Issue date Dec 7, 2010
- Xerox Corporation
- Zhenhuan Wen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Binary resolution conversion aparatus and method
- Patent number 7,760,390
- Issue date Jul 20, 2010
- Xerox Corporation
- Zhenhuan Wen
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Dynamic adjustment of raster image processing performance based on...
- Patent number 7,630,098
- Issue date Dec 8, 2009
- Xerox Corporation
- Ramesh Nagarajan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Error diffusion method and hardware architecture
- Patent number 7,627,188
- Issue date Dec 1, 2009
- Xerox Corporation
- David Jon Metcalfe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Error diffusion method and hardware architecture
- Patent number 7,460,727
- Issue date Dec 2, 2008
- Xerox Corporation
- David Jon Metcalfe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for calibration of a color printer
- Patent number 7,319,545
- Issue date Jan 15, 2008
- Xerox Corporation
- Stephen F. Linder
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for avoiding multiple color moirés in color halftoning
- Patent number 7,221,479
- Issue date May 22, 2007
- Xerox Corporation
- Zhenhuan Wen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for moire-free color halftoning using non-orthogonal cluster...
- Patent number 6,798,539
- Issue date Sep 28, 2004
- Xerox Corporation
- Shen-Ge Wang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for efficient calibration of printing devices
- Patent number 6,775,029
- Issue date Aug 10, 2004
- Xerox Corporation
- Zhenhuan Wen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
BLACK TRAPPING METHODS, APPARATUS AND SYSTEMS FOR BINARY IMAGES
- Publication number 20140368886
- Publication date Dec 18, 2014
- Xing Li
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SYSTEM AND METHOD FOR COLOR CALIBRATION OF A COLOR PRINTING SYSTEM...
- Publication number 20140285856
- Publication date Sep 25, 2014
- Xerox Corporation
- Zhenhuan Wen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SYSTEMS AND METHODS FOR DYNAMIC SHARPNESS CONTROL IN SYSTEM USING B...
- Publication number 20140049799
- Publication date Feb 20, 2014
- Xerox Corporation
- Xing Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND SYSTEM FOR ISOLATED DOT DETECTION AND GROWTH IN A DOCUME...
- Publication number 20140016144
- Publication date Jan 16, 2014
- Xerox Corporation
- Xing Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ISOLATED HOLE DETECTION AND GROWTH
- Publication number 20140016157
- Publication date Jan 16, 2014
- Xerox Corporation
- Amal MALIK
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ISOLATED HOLE DETECTION AND GROWTH
- Publication number 20140016146
- Publication date Jan 16, 2014
- Xerox Corporation
- Amal MALIK
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
METHOD AND SYSTEM FOR ISOLATED HOLE DETECTION AND GROWTH IN A DOCUM...
- Publication number 20140016819
- Publication date Jan 16, 2014
- Xerox Corporation
- Xing Li
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DOT GROWTH SYSTEM AND METHOD
- Publication number 20140016140
- Publication date Jan 16, 2014
- Xerox Corporation
- Amal MALIK
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DOT GROWTH SYSTEM AND METHOD
- Publication number 20140016145
- Publication date Jan 16, 2014
- Xerox Corporation
- Amal Malik
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD OF PROCESSING NEUTRAL GRAY COLOR PRINT JOBS AS MONOCHROME BL...
- Publication number 20120293815
- Publication date Nov 22, 2012
- Xerox Corporation
- Zhenhuan Wen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ADJUSTING THE NEUTRAL BEHAVIOR OF A COLOR MARKING DEVICE
- Publication number 20100271665
- Publication date Oct 28, 2010
- Xerox Corporation
- Zhenhuan WEN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COLOR PRINTING
- Publication number 20100214341
- Publication date Aug 26, 2010
- Xerox Corporation
- XING LI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method of processing neutral gray color print jobs as monochrome bl...
- Publication number 20100195158
- Publication date Aug 5, 2010
- Xerox Corporation
- Zhenhuan Wen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ERROR DIFFUSION METHOD AND HARDWARE ARCHITECTURE
- Publication number 20090073496
- Publication date Mar 19, 2009
- Xerox Corporation
- David Jon Metcalfe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Converting black to composite black in digital printing
- Publication number 20090009778
- Publication date Jan 8, 2009
- Xerox Corporation.
- Zhenhuan Wen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Dynamic adjustment of raster image processing performance based on...
- Publication number 20080062441
- Publication date Mar 13, 2008
- XEROX Corporation
- Ramesh Nagarajan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Binary resolution conversion aparatus and method
- Publication number 20070139668
- Publication date Jun 21, 2007
- Zhenhuan Wen
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Error diffusion method and hardware architecture
- Publication number 20070002381
- Publication date Jan 4, 2007
- David Jon Metcalfe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and system for error compensation
- Publication number 20070002380
- Publication date Jan 4, 2007
- Xerox Corporation.
- David Jon Metcalfe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method for avoiding multiple color moires in color halftoning
- Publication number 20040239967
- Publication date Dec 2, 2004
- Xerox Corporation.
- Zhenhuan Wen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and apparatus for calibration of a color printer
- Publication number 20040114164
- Publication date Jun 17, 2004
- Xerox Corporation.
- Stephen F. Linder
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Zhenhuan Wen

Person

Patents Grantslast 30 patents

Scanner calibration using inverse matrix

Black trapping methods, apparatus and systems for binary images

System and method for color calibration of a color printing system...

Method and system for isolated hole detection and growth in a docum...

Dot growth system and method

Method and system for isolated dot detection and growth in a docume...

Systems and methods for dynamic sharpness control in system using b...

Dot growth system and method

Isolated hole detection and growth

Isolated hole detection and growth

Method of processing neutral gray color print jobs as monochrome bl...

Method of processing neutral gray color print jobs as monochrome bl...

Adjusting the neutral behavior of a color marking device

Color printing reducing artifacts and banding by rendering black do...

Converting black to composite black in digital printing

Binary resolution conversion aparatus and method

Dynamic adjustment of raster image processing performance based on...

Error diffusion method and hardware architecture

Error diffusion method and hardware architecture

Method and apparatus for calibration of a color printer

Method for avoiding multiple color moirés in color halftoning

Method for moire-free color halftoning using non-orthogonal cluster...

Method for efficient calibration of printing devices

Patents Applicationslast 30 patents

BLACK TRAPPING METHODS, APPARATUS AND SYSTEMS FOR BINARY IMAGES

SYSTEM AND METHOD FOR COLOR CALIBRATION OF A COLOR PRINTING SYSTEM...

SYSTEMS AND METHODS FOR DYNAMIC SHARPNESS CONTROL IN SYSTEM USING B...

METHOD AND SYSTEM FOR ISOLATED DOT DETECTION AND GROWTH IN A DOCUME...

ISOLATED HOLE DETECTION AND GROWTH

ISOLATED HOLE DETECTION AND GROWTH

METHOD AND SYSTEM FOR ISOLATED HOLE DETECTION AND GROWTH IN A DOCUM...

DOT GROWTH SYSTEM AND METHOD

DOT GROWTH SYSTEM AND METHOD

METHOD OF PROCESSING NEUTRAL GRAY COLOR PRINT JOBS AS MONOCHROME BL...

ADJUSTING THE NEUTRAL BEHAVIOR OF A COLOR MARKING DEVICE

COLOR PRINTING

Method of processing neutral gray color print jobs as monochrome bl...

ERROR DIFFUSION METHOD AND HARDWARE ARCHITECTURE

Converting black to composite black in digital printing

Dynamic adjustment of raster image processing performance based on...

Binary resolution conversion aparatus and method

Error diffusion method and hardware architecture

Method and system for error compensation

Method for avoiding multiple color moires in color halftoning

Method and apparatus for calibration of a color printer