Weizhong Zhao

Person

Webster, NY, US

People

Patents Grantslast 30 patents

Information Patent Grant
Liquid developers and processes thereof
- Patent number 6,815,136
- Issue date Nov 9, 2004
- Xerox Corporation
- Weizhong Zhao
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method and apparatus for formation and development of high solids c...
- Patent number 6,621,998
- Issue date Sep 16, 2003
- Xerox Corporation
- Chu-Heng Liu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Imaging apparatus
- Patent number 6,458,500
- Issue date Oct 1, 2002
- Xerox Corporation
- Weizhong Zhao
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Imaging apparatus
- Patent number 6,440,629
- Issue date Aug 27, 2002
- Xerox Corporation
- Weizhong Zhao
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method and apparatus for toner cake delivery
- Patent number 6,438,332
- Issue date Aug 20, 2002
- Xerox Corporation
- Weizhong Zhao
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Low cost process multicolor image reproduction machine
- Patent number 6,349,190
- Issue date Feb 19, 2002
- Xerox Corporation
- Chu-Heng Liu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developer compositions and processes
- Patent number 6,348,292
- Issue date Feb 19, 2002
- Xerox Corporation
- David H. Pan
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developer compositions and processes
- Patent number 6,346,357
- Issue date Feb 12, 2002
- Xerox Corporation
- David H. Pan
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Absorbent coating for contact transfer of liquid toner images
- Patent number 6,341,208
- Issue date Jan 22, 2002
- Xerox Corporation
- Chu-Heng Liu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Release layer for contact transferring liquid immersion developed i...
- Patent number 6,309,786
- Issue date Oct 30, 2001
- Xerox Corporation
- Weizhong Zhao
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Single pass, multicolor contact electrostatic printing system
- Patent number 6,289,191
- Issue date Sep 11, 2001
- Xerox Corporation
- Chu-Heng Liu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developer compositions and processes
- Patent number 6,218,066
- Issue date Apr 17, 2001
- Xerox Corporation
- Weizhong Zhao
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method and apparatus for toner cake delivery
- Patent number 6,219,501
- Issue date Apr 17, 2001
- Xerox Corporation
- Weizhong Zhao
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Imaging apparatuses and processes thereof containing a marking mate...
- Patent number 6,212,347
- Issue date Apr 3, 2001
- Xerox Corporation
- Weizhong Zhao
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Imaging apparatus
- Patent number 6,187,499
- Issue date Feb 13, 2001
- Xerox Corporation
- Weizhong Zhao
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Multicolor image-on-image forming machine using air breakdown charg...
- Patent number 6,185,399
- Issue date Feb 6, 2001
- Xerox Corporation
- Weizhong Zhao
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Multicolor image-on-image forming machine using reverse charge prin...
- Patent number 6,181,901
- Issue date Jan 30, 2001
- Xerox Corporation
- Weizhong Zhao
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developer compositions and processes
- Patent number 6,180,308
- Issue date Jan 30, 2001
- Xerox Corporation
- David H. Pan
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Release layer for contact transferring liquid immersion developed i...
- Patent number 6,165,669
- Issue date Dec 26, 2000
- Xerox Corporation
- Weizhong Zhao
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method and apparatus for delivery of high solids content toner cake...
- Patent number 6,122,471
- Issue date Sep 19, 2000
- Xerox Corporation
- Chu-heng Liu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Efficient contact transfer of liquid immersion developed images usi...
- Patent number 6,120,965
- Issue date Sep 19, 2000
- Xerox Corporation
- Weizhong Zhao
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrostatic printing method and apparatus having enhanced image r...
- Patent number 6,117,602
- Issue date Sep 12, 2000
- Xerox Corporation
- Chu-Heng Liu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrostatic printing method and apparatus having enhanced custom...
- Patent number 6,049,683
- Issue date Apr 11, 2000
- Xerox Corporation
- Chu-Heng Liu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method and apparatus for forming and refining toner images in an el...
- Patent number 6,020,099
- Issue date Feb 1, 2000
- Xerox Corporation
- Chu-Heng Liu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Addressable toner applicator and method and apparatus for enhancing...
- Patent number 6,009,294
- Issue date Dec 28, 1999
- Xerox Corporation
- Chu-Heng Liu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method and apparatus for forming high quality images in an electros...
- Patent number 6,006,061
- Issue date Dec 21, 1999
- Xerox Corporation
- Chu-Heng Liu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Air breakdown charge and development image forming method and appar...
- Patent number 5,991,577
- Issue date Nov 23, 1999
- Xerox Corporation
- Chu-Heng Liu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Liquid developers and processes thereof
- Patent number 5,989,769
- Issue date Nov 23, 1999
- Xerox Corporation
- Ralph A. Mosher
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming reverse charge printing method and apparatus using im...
- Patent number 5,991,578
- Issue date Nov 23, 1999
- Xerox Corporation
- Chu-Heng Liu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method and apparatus for developing high quality images in a liquid...
- Patent number 5,991,582
- Issue date Nov 23, 1999
- Xerox Corporation
- Chu-Heng Liu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
Method and apparatus for formation and development of high solids c...
- Publication number 20030113137
- Publication date Jun 19, 2003
- Xerox Corporation.
- Chu-heng Liu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Imaging apparatus
- Publication number 20020150829
- Publication date Oct 17, 2002
- Xerox Corporation.
- Weizhong Zhao
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Developer compositions and processes
- Publication number 20020136977
- Publication date Sep 26, 2002
- Xerox Corporation.
- David H. Pan
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Method and apparatus for toner cake delivery
- Publication number 20010026711
- Publication date Oct 4, 2001
- Weizhong Zhao
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Weizhong Zhao

Person

Patents Grantslast 30 patents

Liquid developers and processes thereof

Method and apparatus for formation and development of high solids c...

Imaging apparatus

Imaging apparatus

Method and apparatus for toner cake delivery

Low cost process multicolor image reproduction machine

Developer compositions and processes

Developer compositions and processes

Absorbent coating for contact transfer of liquid toner images

Release layer for contact transferring liquid immersion developed i...

Single pass, multicolor contact electrostatic printing system

Developer compositions and processes

Method and apparatus for toner cake delivery

Imaging apparatuses and processes thereof containing a marking mate...

Imaging apparatus

Multicolor image-on-image forming machine using air breakdown charg...

Multicolor image-on-image forming machine using reverse charge prin...

Developer compositions and processes

Release layer for contact transferring liquid immersion developed i...

Method and apparatus for delivery of high solids content toner cake...

Efficient contact transfer of liquid immersion developed images usi...

Electrostatic printing method and apparatus having enhanced image r...

Electrostatic printing method and apparatus having enhanced custom...

Method and apparatus for forming and refining toner images in an el...

Addressable toner applicator and method and apparatus for enhancing...

Method and apparatus for forming high quality images in an electros...

Air breakdown charge and development image forming method and appar...

Liquid developers and processes thereof

Image forming reverse charge printing method and apparatus using im...

Method and apparatus for developing high quality images in a liquid...

Patents Applicationslast 30 patents

Method and apparatus for formation and development of high solids c...

Imaging apparatus

Developer compositions and processes

Method and apparatus for toner cake delivery