Inventor
ZHAO WEIZHONG
US37 patents
⚠️ This page may combine multiple inventors who share the name “ZHAO WEIZHONG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
XEROX CORP
35 patentsUS5826147AOct 20, 1998
Electrostatic latent image development
XEROX CORP64 citations96
US6212347B1Apr 3, 2001
Imaging apparatuses and processes thereof containing a marking material with a charge acceptance additive of an aluminum complex
XEROX CORP25 citations92
US6187499B1Feb 13, 2001
Imaging apparatus
XEROX CORP20 citations92
US6180308B1Jan 30, 2001
Developer compositions and processes
XEROX CORP21 citations92
US6219501B1Apr 17, 2001
Method and apparatus for toner cake delivery
XEROX CORP15 citations84
US6440629B1Aug 27, 2002
Imaging apparatus
XEROX CORP10 citations74
US6349190B1Feb 19, 2002
Low cost process multicolor image reproduction machine
XEROX CORP7 citations74
US6348292B1Feb 19, 2002
Developer compositions and processes
XEROX CORP9 citations74
US6341208B1Jan 22, 2002
Absorbent coating for contact transfer of liquid toner images
XEROX CORP7 citations74
US6309786B1Oct 30, 2001
Release layer for contact transferring liquid immersion developed images
XEROX CORP5 citations74
US6218066B1Apr 17, 2001
Developer compositions and processes
XEROX CORP14 citations74
US6185399B1Feb 6, 2001
Multicolor image-on-image forming machine using air breakdown charge and development (ABCD) Process
XEROX CORP8 citations74
US6165669ADec 26, 2000
Release layer for contact transferring liquid immersion developed images
XEROX CORP9 citations74
US6122471ASep 19, 2000
Method and apparatus for delivery of high solids content toner cake in a contact electrostatic printing system
XEROX CORP15 citations74
US6117602ASep 12, 2000
Electrostatic printing method and apparatus having enhanced image resolution characteristics
XEROX CORP12 citations74
US6049683AApr 11, 2000
Electrostatic printing method and apparatus having enhanced custom color characteristics
XEROX CORP7 citations74
US6009294ADec 28, 1999
Addressable toner applicator and method and apparatus for enhancing custom color characteristics in a contact electrostatic printing apparatus
XEROX CORP6 citations74
US6006061ADec 21, 1999
Method and apparatus for forming high quality images in an electrostatic printing machine
XEROX CORP10 citations74
US5991577ANov 23, 1999
Air breakdown charge and development image forming method and apparatus using image area centered patches of toner
XEROX CORP11 citations74
US5991582ANov 23, 1999
Method and apparatus for developing high quality images in a liquid immersion development machine
XEROX CORP9 citations74
US5991578ANov 23, 1999
Image forming reverse charge printing method and apparatus using image area centered patches of toner
XEROX CORP7 citations74
US5987283ANov 16, 1999
Apparatus and method for developing an electrostatic latent image directly from an imaging member to a final substrate
XEROX CORP12 citations74
US5937243AAug 10, 1999
Image-wise toner layer charging via air breakdown for image development
XEROX CORP8 citations74
US5937248AAug 10, 1999
Contact electrostatic printing image forming method and apparatus using image area centered patch of tonerpatches of toner
XEROX CORP14 citations74
US5989769ANov 23, 1999
Liquid developers and processes thereof
XEROX CORP10 citations73
US6815136B1Nov 9, 2004
Liquid developers and processes thereof
XEROX CORP5 citations63
US6621998B2Sep 16, 2003
Method and apparatus for formation and development of high solids content toner cake in an electrostatic printing system
XEROX CORP3 citations63
US6458500B1Oct 1, 2002
Imaging apparatus
XEROX CORP5 citations63
US6438332B2Aug 20, 2002
Method and apparatus for toner cake delivery
XEROX CORP3 citations63
US6346357B1Feb 12, 2002
Developer compositions and processes
XEROX CORP5 citations63
US6289191B1Sep 11, 2001
Single pass, multicolor contact electrostatic printing system
XEROX CORP5 citations63
US6181901B1Jan 30, 2001
Multicolor image-on-image forming machine using reverse charge printing (RCP) process
XEROX CORP4 citations63
US6120965ASep 19, 2000
Efficient contact transfer of liquid immersion developed images using an overlayer
XEROX CORP2 citations63
US6020099AFeb 1, 2000
Method and apparatus for forming and refining toner images in an electrostatic printing machine
XEROX CORP3 citations63
USH1803HSep 7, 1999
Liquid electrophotographic printing processes
XEROX CORP0 citations48