Inventor · disambiguated record
George Keith Parish
Also filed as: PARISH GEORGE K · PARISH GEORGE KEITH
66 granted patents·8 pending applications·1,784 citations·filing 1991–2009
99Inventor score
Top patents by PatentIndex Score
74 records- 0197US5867183AApparatus for driving multiple ink jet printheads with a single set of drive outputsLEXMARK INT INC·Filed 1996·Granted Feb 2, 1999·245 cites·9 claims
- 0296US6902256B2Ink jet printheadsLEXMARK INT INC·Filed 2003·Granted Jun 7, 2005·66 cites·37 claims
- 0394US7267430B2Heater chip for inkjet printhead with electrostatic discharge protectionLEXMARK INT INC·Filed 2005·Granted Sep 11, 2007·16 cites·20 claims
- 0494US7258411B2Method of informing a user of end of life of a consumable for an ink jet printerLEXMARK INT INC·Filed 2005·Granted Aug 21, 2007·15 cites·22 claims
- 0594US6161915AIdentification of thermal inkjet printer cartridgesLEXMARK INT INC·Filed 1998·Granted Dec 19, 2000·210 cites·25 claims
- 0694US5940095AInk jet print head identification circuit with serial out, dynamic shift registersLEXMARK INT INC·Filed 1995·Granted Aug 17, 1999·112 cites·25 claims
- 0793US7954929B2Micro-fluid ejecting device having embedded memory in communication with an external controllerLEXMARK INT INC·Filed 2007·Granted Jun 7, 2011·12 cites·15 claims
- 0892US6431677B1Print head drive schemeLEXMARK INT INC·Filed 2000·Granted Aug 13, 2002·44 cites·20 claims
- 0992US6161916AMemory expansion circuit for ink jet print head identification circuitLEXMARK INT INC·Filed 1999·Granted Dec 19, 2000·67 cites·4 claims
- 1092US5757394AInk jet print head identification circuit with programmed transistor arrayLEXMARK INT INC·Filed 1995·Granted May 26, 1998·86 cites·16 claims
- 1190US7635174B2Heater chip test circuit and methods for using the sameLEXMARK INT INC·Filed 2005·Granted Dec 22, 2009·12 cites·18 claims
- 1290US6137502ADual droplet size printheadLEXMARK INT INC·Filed 1999·Granted Oct 24, 2000·74 cites·20 claims
- 1389US6565176B2Long-life stable-jetting thermal ink jet printerLEXMARK INT INC·Filed 2001·Granted May 20, 2003·37 cites·26 claims
- 1488US6616268B2Power distribution architecture for inkjet heater chipLEXMARK INT INC·Filed 2001·Granted Sep 9, 2003·29 cites·15 claims
- 1586US6299274B1Thermal ink jet printer cartridge identificationLEXMARK INT INC·Filed 1997·Granted Oct 9, 2001·55 cites·11 claims
- 1686US6274896B1Drive transistor with fold gateLEXMARK INT INC·Filed 2000·Granted Aug 14, 2001·43 cites·9 claims
- 1786US5942900AMethod of fault detection in ink jet printhead heater chipsLEXMARK INT INC·Filed 1996·Granted Aug 24, 1999·69 cites·10 claims
- 1885US6951384B2Ink jet heater chip and method thereforLEXMARK INT INC·Filed 2004·Granted Oct 4, 2005·22 cites·14 claims
- 1985US6502920B1Ink jet print head having offset nozzle arraysLEXMARK INT INC·Filed 2000·Granted Jan 7, 2003·25 cites·13 claims
- 2084US6637866B1Energy efficient heater stack using DLC islandLEXMARK INT INC·Filed 2002·Granted Oct 28, 2003·25 cites·26 claims
- 2184US6176569B1Transitional ink jet heater addressingLEXMARK INT INC·Filed 1999·Granted Jan 23, 2001·50 cites·9 claims
- 2283US6022094AMemory expansion circuit for ink jet print head identification circuitLEXMARK INT INC·Filed 1998·Granted Feb 8, 2000·39 cites·19 claims
- 2382US6976752B2Ink jet printer with resistance compensation circuitLEXMARK INT INC·Filed 2003·Granted Dec 20, 2005·23 cites·19 claims
- 2481US6568785B1Integrated ink jet print head identification systemLEXMARK INT INC·Filed 2002·Granted May 27, 2003·22 cites·16 claims
- 2579US7311385B2Micro-fluid ejecting device having embedded memory deviceLEXMARK INT INC·Filed 2003·Granted Dec 25, 2007·14 cites·20 claims
- 2679US6787050B2Power distribution architecture for inkjet heater chipLEXMARK INT INC·Filed 2002·Granted Sep 7, 2004·17 cites·3 claims
- 2779US6764163B2Heater configuration for tri-color heater chipLEXMARK INT INC·Filed 2002·Granted Jul 20, 2004·19 cites·19 claims
- 2879US6357863B1Linear substrate heater for ink jet print head chipLEXMARK INT INC·Filed 1999·Granted Mar 19, 2002·39 cites·8 claims
- 2978US6588872B2Electronic skew adjustment in an ink jet printerLEXMARK INT INC·Filed 2001·Granted Jul 8, 2003·20 cites·11 claims
- 3078US6540334B1Method for making ink jet printheadsLEXMARK INT INC·Filed 2002·Granted Apr 1, 2003·21 cites·11 claims
- 3175US6616256B1Serial integrated scan-based testing of ink jet print headLEXMARK INT INC·Filed 2002·Granted Sep 9, 2003·17 cites·19 claims
- 3275US6312079B1Print head drive scheme for serial compression of I/O in ink jetsLEXMARK INT INC·Filed 1999·Granted Nov 6, 2001·31 cites·25 claims
- 3374US7080896B2Micro-fluid ejection device having high resistance heater filmLEXMARK INT INC·Filed 2004·Granted Jul 25, 2006·12 cites·11 claims
- 3474US6962399B2Method of warning a user of end of life of a consumable for an ink jet printerLEXMARK INT INC·Filed 2002·Granted Nov 8, 2005·13 cites·12 claims
- 3573US6789871B2Reduced size inkjet printhead heater chip having integral voltage regulator and regulating capacitorsLEXMARK INT INC·Filed 2002·Granted Sep 14, 2004·14 cites·29 claims
- 3673US6742866B2Ink jet print head having offset nozzle arraysLEXMARK INT INC·Filed 2002·Granted Jun 1, 2004·13 cites·12 claims
- 3772US7918015B2Method for making a thin film resistorLEXMARK INT INC·Filed 2008·Granted Apr 5, 2011·4 cites·4 claims
- 3872US6863381B2Inkjet printhead heater chip with asymmetric ink viasLEXMARK INT INC·Filed 2002·Granted Mar 8, 2005·9 cites·5 claims
- 3971US6786575B2Ink jet heater chip and method thereforLEXMARK INT INC·Filed 2002·Granted Sep 7, 2004·11 cites·6 claims
- 4070US7163272B2Inkjet print headLEXMARK INT INC·Filed 2004·Granted Jan 16, 2007·10 cites·9 claims
- 4167US7850286B2Micro-fluid ejector pattern for improved performanceLEXMARK INT INC·Filed 2007·Granted Dec 14, 2010·2 cites·12 claims
- 4267US7673973B2Micro-fluid ejecting device having embedded memory devicesLEXMARK INTERNATINOAL INC·Filed 2007·Granted Mar 9, 2010·2 cites·16 claims
- 4366US7036898B2Supplying power to logic systems in printersLEXMARK INT INC·Filed 2003·Granted May 2, 2006·10 cites·16 claims
- 4465US7244015B2Inkjet printhead heater chip with asymmetric ink viasLEXMARK INT INC·Filed 2005·Granted Jul 17, 2007·1 cites·19 claims
- 4565US6805431B2Heater chip with doped diamond-like carbon layer and overlying cavitation layerLEXMARK INT INC·Filed 2002·Granted Oct 19, 2004·9 cites·21 claims
- 4663US7815285B2Printhead having a plurality of print modesLEXMARK INT INC·Filed 2005·Granted Oct 19, 2010·2 cites·20 claims
- 4763US6398346B1Dual-configurable print head addressingLEXMARK INT INC·Filed 2000·Granted Jun 4, 2002·9 cites·23 claims
- 4862US7484823B2Methods and apparatuses for regulating the temperature of multi-via heater chipsLEXMARK INT INC·Filed 2005·Granted Feb 3, 2009·2 cites·17 claims
- 4962US6712439B1Integrated circuit and drive scheme for an inkjet printheadLEXMARK INT INC·Filed 2002·Granted Mar 30, 2004·7 cites·20 claims
- 5060US6890066B2Inkjet printer having improved ejector chipLEXMARK INT INC·Filed 2003·Granted May 10, 2005·7 cites·20 claims
Showing the top 50 of 74 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →