Inventor
YU ZHAO-ZHI
US10 patents
Patents
10 patentsUS5119116AJun 2, 1992
Thermal ink jet channel with non-wetting walls and a step structure
XEROX CORP90 citations95
US5303014AApr 12, 1994
Biasable member having low surface energy
XEROX CORP28 citations92
US5600430AFeb 4, 1997
Split recharge method and apparatus for color image formation
XEROX CORP32 citations91
US5117244AMay 26, 1992
Nozzle capping device for an ink jet printhead
XEROX CORP50 citations91
US5539501AJul 23, 1996
High slope AC charging device having groups of wires
XEROX CORP19 citations90
US6026264AFeb 15, 2000
Hybrid scavengeless development system
XEROX CORP14 citations73
US5579100ANov 26, 1996
Single positive recharge method and apparatus for color image formation
XEROX CORP12 citations73
US6292645B1Sep 18, 2001
Apparatus and method for minimizing the halo effect in an electrostatographic printing system
XEROX CORP8 citations72
US5581330ADec 3, 1996
Method and apparatus for reducing residual toner voltage
XEROX CORP14 citations71
US5991579ANov 23, 1999
High slope DC/AC combination charging device
XEROX CORP5 citations61