Assignee
COLOROCS CORP
US23 patents
Top patents by PatentIndex Score
US5103260AApr 7, 1992
Toner density control for electrophotographic print engine
COLOROCS CORP58 citations96
US4931839AJun 5, 1990
Transfer system for electrophotographic print engine
COLOROCS CORP69 citations96
US4839722AJun 13, 1989
Method and apparatus for providing improved color correction in a subtrative color printing system
COLOROCS CORP66 citations94
US5053827AOct 1, 1991
Method and apparatus for intermittent conditioning of a transfer belt
COLOROCS CORP30 citations92
US4983146AJan 8, 1991
Belt tensioning and quick release device for electrophotographic system
COLOROCS CORP48 citations92
US4901110AFeb 13, 1990
Vertical print engine for electrophotographic apparatus
COLOROCS CORP24 citations92
US4866483ASep 12, 1989
Cleaning station for use in an electrophotographic print engine
COLOROCS CORP27 citations92
US4848267AJul 18, 1989
Apparatus for removal and addition of developer to a toner module
COLOROCS CORP29 citations92
US4788572ANov 29, 1988
Belt controls for a print engine for color electrophotography
COLOROCS CORP39 citations92
US4847660AJul 11, 1989
Method and apparatus for registration control in an electrophotographic print engine
COLOROCS CORP25 citations91
US4652115AMar 24, 1987
Print engine for color electrophotography
COLOROCS CORP39 citations91
US4899197AFeb 6, 1990
Fuser for use in an electrophotographic print engine
COLOROCS CORP32 citations88
US5170209ADec 8, 1992
Process cartridge for an intermediate transfer electrophotographic print engine
COLOROCS CORP21 citations77
US5027158AJun 25, 1991
Vertical print engine for electrophotographic apparatus
COLOROCS CORP16 citations73
US4891676AJan 2, 1990
Transfer medium cleaning station for use in an electrophotographic print engine
COLOROCS CORP9 citations73
US4806097AFeb 21, 1989
Fuser assembly for an electrophotographic print engine
COLOROCS CORP7 citations72
US4705385ANov 10, 1987
Print engine for color electrophotography
COLOROCS CORP15 citations72
US4699079AOct 13, 1987
Toner modules for electrophotographic print engine
COLOROCS CORP8 citations72
US4697920AOct 6, 1987
Improved print quality monitoring for color electrophotography
COLOROCS CORP16 citations72
US4746955AMay 24, 1988
Color filter interpositioning mechanism for color electrophotography
COLOROCS CORP14 citations66
US5134439AJul 28, 1992
Exposure compensation system for a dual mode electrophotographic print engine
COLOROCS CORP3 citations63
US4989045AJan 29, 1991
Method for removal and addition of developer to a toner module in an electrophotographic print engine
COLOROCS CORP5 citations62
US5150158ASep 22, 1992
Flat screen for an electrophotographic printing device
COLOROCS CORP1 citations51