Inventor
REAM GREGORY LAWRENCE
US32 patents
⚠️ This page may combine multiple inventors who share the name “REAM GREGORY LAWRENCE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
LEXMARK INT INC
30 patentsUS5995772ANov 30, 1999
Imaging apparatus cartridge including an encoded device
LEXMARK INT INC202 citations98
US6363228B1Mar 26, 2002
Transfer belt image registration correction, operating parameters and life via stored parameters
LEXMARK INT INC63 citations96
US6285383B1Sep 4, 2001
Method of controlling laser scanner phase in a multicolor electrophotographic machine
LEXMARK INT INC58 citations95
US6009285ADec 28, 1999
Method for determining characteristics of an electrophotographic cartridge carrying a rotatable element
LEXMARK INT INC41 citations95
US6301456B1Oct 9, 2001
Method and apparatus for inserting a cartridge into an image forming apparatus
LEXMARK INT INC35 citations92
US6198897B1Mar 6, 2001
Method and apparatus for correcting transfer belt position via stored parameters
LEXMARK INT INC22 citations92
US6009291ADec 28, 1999
Control of photosensitive roller movement
LEXMARK INT INC19 citations92
US5697015ADec 9, 1997
Electrophotographic apparatus and method for inhibiting charge over-transfer
LEXMARK INT INC31 citations92
US5875378AFeb 23, 1999
Toner cartridge with hopper exit agitator
LEXMARK INT INC48 citations91
US6681094B2Jan 20, 2004
Intermediate transfer member belt/roller configuration for single-pass color electrophotographic printer
LEXMARK INT INC30 citations90
US6175375B1Jan 16, 2001
Method and apparatus for compensating for a darkness shift during the life of an electrophotographic printer cartridge
LEXMARK INT INC50 citations90
US7257358B2Aug 14, 2007
Method and apparatus for detecting registration errors in an image forming device
LEXMARK INT INC16 citations84
US6356726B1Mar 12, 2002
Electrophotographic printer with compact pre-transfer erase assembly
LEXMARK INT INC16 citations84
US7289757B2Oct 30, 2007
Shared high voltage power supply for image transfer in an image forming device
LEXMARK INT INC12 citations83
US6476844B1Nov 5, 2002
Method and apparatus for electrophotographic laser video modulation and decode for spot fidelity
LEXMARK INT INC7 citations74
US6252618B1Jun 26, 2001
Method of controlling print registration in an electrophotographic machine
LEXMARK INT INC13 citations72
US6570598B1May 27, 2003
Sub-pel registration of color planes using cartridge velocity control
LEXMARK INT INC3 citations63
US7522863B2Apr 21, 2009
Gear train backlash removal during component acceleration in an image forming device
LEXMARK INT INC2 citations62
US7424253B2Sep 9, 2008
Toner metering device
LEXMARK INT INC3 citations62
US7149449B2Dec 12, 2006
Method of determining a relative speed between independently driven members in an image forming apparatus
LEXMARK INT INC2 citations62
US6989853B2Jan 24, 2006
Method of margin alignment and plane-to-plane registration in a tandem color electrophotographic machine
LEXMARK INT INC2 citations62
US6549225B2Apr 15, 2003
Method of margin alignment and plane-to-plane registration in a tandem color electrophotographic machine
LEXMARK INT INC4 citations62
US7272328B2Sep 18, 2007
Development component detection in an electrophotographic device
LEXMARK INT INC4 citations60
US7050734B2May 23, 2006
Method of determining a relative speed between independently driven members in an image forming apparatus
LEXMARK INT INC2 citations59
US7965953B2Jun 21, 2011
Electrode-based post nip field conditioning method and apparatus
LEXMARK INT INC2 citations58
US8038591B2Oct 18, 2011
Image forming apparatus component with triboelectric properties
LEXMARK INT INC4 citations57
US7505705B2Mar 17, 2009
Electrical discharging of image transfer assemblies
LEXMARK INT INC0 citations52
US6989852B2Jan 24, 2006
Method of margin alignment and plane-to-plane registration in a tandem color electrophotographic machine
LEXMARK INT INC0 citations52
US6262753B1Jul 17, 2001
Electrophotographic imaging apparatus with reduced packaging size
LEXMARK INT INC1 citations51
US7657198B2Feb 2, 2010
Methods for transfering toner in direct transfer image forming
LEXMARK INT INC0 citations49