Inventor · disambiguated record
Gregory Lawrence Ream
Also filed as: REAM GREGORY L · REAM GREGORY LAWRENCE · VAN LAANEN PETER J
46 granted patents·2 pending applications·1,056 citations·filing 1978–2014
98Inventor score
Top patents by PatentIndex Score
48 records- 0198US5995772AImaging apparatus cartridge including an encoded deviceLEXMARK INT INC·Filed 1996·Granted Nov 30, 1999·202 cites·39 claims
- 0296US6363228B1Transfer belt image registration correction, operating parameters and life via stored parametersLEXMARK INT INC·Filed 2000·Granted Mar 26, 2002·63 cites·31 claims
- 0396US5634169AMultiple function encoder wheel for cartridges utilized in an electrophotographic output deviceLEXMARK INT INC·Filed 1996·Granted May 27, 1997·83 cites·42 claims
- 0492US6285383B1Method of controlling laser scanner phase in a multicolor electrophotographic machineLEXMARK INT INC·Filed 2000·Granted Sep 4, 2001·58 cites·24 claims
- 0592US6175375B1Method and apparatus for compensating for a darkness shift during the life of an electrophotographic printer cartridgeLEXMARK INT INC·Filed 2000·Granted Jan 16, 2001·50 cites·42 claims
- 0691US6009285AMethod for determining characteristics of an electrophotographic cartridge carrying a rotatable elementLEXMARK INT INC·Filed 1997·Granted Dec 28, 1999·41 cites·32 claims
- 0790US6301456B1Method and apparatus for inserting a cartridge into an image forming apparatusLEXMARK INT INC·Filed 2000·Granted Oct 9, 2001·35 cites·38 claims
- 0888US5875378AToner cartridge with hopper exit agitatorLEXMARK INT INC·Filed 1996·Granted Feb 23, 1999·48 cites·24 claims
- 0988US4417256ABreak-off uniformity maintenanceIBM·Filed 1982·Granted Nov 22, 1983·48 cites·11 claims
- 1087US6681094B2Intermediate transfer member belt/roller configuration for single-pass color electrophotographic printerLEXMARK INT INC·Filed 2001·Granted Jan 20, 2004·30 cites·49 claims
- 1187US4241608AUltrasonic scannerUNIRAD CORP·Filed 1978·Granted Dec 30, 1980·55 cites·27 claims
- 1285US6657650B1Method of laser printhead registration control in an electrophotographic machineLEXMARK INT INC·Filed 2002·Granted Dec 2, 2003·28 cites·27 claims
- 1381US6661981B2Method and apparatus for controlling transfer belt velocity of a color printerLEXMARK INT INC·Filed 2001·Granted Dec 9, 2003·23 cites·35 claims
- 1481US5697015AElectrophotographic apparatus and method for inhibiting charge over-transferLEXMARK INT INC·Filed 1996·Granted Dec 9, 1997·31 cites·16 claims
- 1579US7257358B2Method and apparatus for detecting registration errors in an image forming deviceLEXMARK INT INC·Filed 2003·Granted Aug 14, 2007·16 cites·56 claims
- 1677US7366434B2Periodic doctor element field reversal in an electrophotographic deviceLEXMARK INT INC·Filed 2005·Granted Apr 29, 2008·6 cites·24 claims
- 1777US6356726B1Electrophotographic printer with compact pre-transfer erase assemblyLEXMARK INT INC·Filed 2000·Granted Mar 12, 2002·16 cites·26 claims
- 1877US6198897B1Method and apparatus for correcting transfer belt position via stored parametersLEXMARK INT INC·Filed 1999·Granted Mar 6, 2001·22 cites·24 claims
- 1977US6173151B1Electrostatic fuser with post-nip electrically biased discharge memberLEXMARK INT INC·Filed 2000·Granted Jan 9, 2001·16 cites·16 claims
- 2076US6689528B2Electrostatic fuser rolls and beltsLEXMARK INT INC·Filed 2003·Granted Feb 10, 2004·11 cites·6 claims
- 2176US4292640AClosed loop compensation of ink jet aerodynamicsIBM·Filed 1980·Granted Sep 29, 1981·21 cites·22 claims
- 2275US7272328B2Development component detection in an electrophotographic deviceLEXMARK INT INC·Filed 2005·Granted Sep 18, 2007·4 cites·23 claims
- 2375US7206012B2Memory device on optical scanner and apparatus and method for storing characterizing information on the memory deviceLEXMARK INT INC·Filed 2004·Granted Apr 17, 2007·13 cites·19 claims
- 2473US5012293ATransfer station control in an electrophotographic reproduction deviceIBM·Filed 1989·Granted Apr 30, 1991·19 cites·10 claims
- 2572US7289757B2Shared high voltage power supply for image transfer in an image forming deviceLEXMARK INT INC·Filed 2004·Granted Oct 30, 2007·12 cites·29 claims
- 2671US8038591B2Image forming apparatus component with triboelectric propertiesLEXMARK INT INC·Filed 2007·Granted Oct 18, 2011·4 cites·22 claims
- 2771US6252618B1Method of controlling print registration in an electrophotographic machineLEXMARK INT INC·Filed 2000·Granted Jun 26, 2001·13 cites·32 claims
- 2869US7424253B2Toner metering deviceLEXMARK INT INC·Filed 2005·Granted Sep 9, 2008·3 cites·9 claims
- 2969US6009291AControl of photosensitive roller movementLEXMARK INT INC·Filed 1998·Granted Dec 28, 1999·19 cites·7 claims
- 3065US8126342B2System for tailoring a transfer nip electric field for enhanced toner transfer in diverse environmentsGIBSON NICHOLAS FENLEY·Filed 2008·Granted Feb 28, 2012·3 cites·25 claims
- 3165US6284373B1Electrostatic fuser rolls and beltsLEXMARK INT INC·Filed 1999·Granted Sep 4, 2001·12 cites·7 claims
- 3264US7965953B2Electrode-based post nip field conditioning method and apparatusLEXMARK INT INC·Filed 2009·Granted Jun 21, 2011·2 cites·22 claims
- 3364US7522863B2Gear train backlash removal during component acceleration in an image forming deviceLEXMARK INT INC·Filed 2006·Granted Apr 21, 2009·2 cites·20 claims
- 3464US5526097ACartridge utilizing a plurality of contact charging membersLEXMARK INT INC·Filed 1995·Granted Jun 11, 1996·16 cites·10 claims
- 3561US7054571B2Method of driving a fuser roll in an electrophotographic printerLEXMARK INT INC·Filed 2004·Granted May 30, 2006·9 cites·23 claims
- 3661US6476844B1Method and apparatus for electrophotographic laser video modulation and decode for spot fidelityLEXMARK INT INC·Filed 2000·Granted Nov 5, 2002·7 cites·14 claims
- 3759US6570598B1Sub-pel registration of color planes using cartridge velocity controlLEXMARK INT INC·Filed 2002·Granted May 27, 2003·3 cites·24 claims
- 3855US6549225B2Method of margin alignment and plane-to-plane registration in a tandem color electrophotographic machineLEXMARK INT INC·Filed 2001·Granted Apr 15, 2003·4 cites·11 claims
- 3953US6262753B1Electrophotographic imaging apparatus with reduced packaging sizeLEXMARK INT INC·Filed 2000·Granted Jul 17, 2001·1 cites·22 claims
- 4049US8064787B2Fuser life extensionBLAIR BRYAN MICHAEL·Filed 2007·Granted Nov 22, 2011·1 cites·14 claims
- 4147US6989853B2Method of margin alignment and plane-to-plane registration in a tandem color electrophotographic machineLEXMARK INT INC·Filed 2002·Granted Jan 24, 2006·2 cites·7 claims
- 4246US7505705B2Electrical discharging of image transfer assembliesLEXMARK INT INC·Filed 2006·Granted Mar 17, 2009·0 cites·14 claims
- 4346US7149449B2Method of determining a relative speed between independently driven members in an image forming apparatusLEXMARK INT INC·Filed 2004·Granted Dec 12, 2006·2 cites·18 claims
- 4445US7657198B2Methods for transfering toner in direct transfer image formingLEXMARK INT INC·Filed 2006·Granted Feb 2, 2010·0 cites·20 claims
- 4544US2015086231A1Fuser Assembly with Automatic Media Width Sensing and Thermal CompensationLEXMARK INT INC·Filed 2014·Application pending·0 cites
- 4642US7050734B2Method of determining a relative speed between independently driven members in an image forming apparatusLEXMARK INT INC·Filed 2004·Granted May 23, 2006·2 cites·27 claims
- 4740US6989852B2Method of margin alignment and plane-to-plane registration in a tandem color electrophotographic machineLEXMARK INT INC·Filed 2004·Granted Jan 24, 2006·0 cites·9 claims
- 4840US2001044025A1Electrostatic fuser rolls and beltsFiled 2001·Application pending·0 cites
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