Inventor · disambiguated record
Jefferson P. Ward
Also filed as: WARD JEFFERSON P · WARD JEFFERSON PATRICK
123 granted patents·15 pending applications·1,424 citations·filing 1989–2025
99Inventor score
Files withHEWLETT PACKARD DEVELOPMENT CO92HEWLETT PACKARD DEVELOPMENT CO LP18HEWLETT PACKARD CO13PANSHIN STEPHEN D3ANDERSON DARYL E2
Top patents by PatentIndex Score
138 records- 0198US11034157B2Logic circuitryHEWLETT PACKARD DEVELOPMENT CO·Filed 2020·Granted Jun 15, 2021·29 cites·20 claims
- 0298US10875318B1Logic circuitryHEWLETT PACKARD DEVELOPMENT CO·Filed 2019·Granted Dec 29, 2020·31 cites·29 claims
- 0398US9511596B2Replaceable printing component with factory identity codeANDERSON DARYL E·Filed 2015·Granted Dec 6, 2016·33 cites·19 claims
- 0498US6132028AContoured orifice plate of thermal ink jet print headHEWLETT PACKARD CO·Filed 1998·Granted Oct 17, 2000·181 cites·22 claims
- 0597US10894423B2Logic circuitryHEWLETT PACKARD DEVELOPMENT CO·Filed 2019·Granted Jan 19, 2021·29 cites·25 claims
- 0697US9893893B2Replaceable item authenticationHEWLETT PACKARD DEVELOPMENT CO·Filed 2017·Granted Feb 13, 2018·25 cites·18 claims
- 0797US9561662B2Supply authentication via timing challenge responseHEWLETT PACKARD DEVELOPMENT CO LP·Filed 2013·Granted Feb 7, 2017·65 cites·12 claims
- 0897US5659342AOn-page inkjet printhead spitting systemHEWLETT PACKARD CO·Filed 1994·Granted Aug 19, 1997·136 cites·37 claims
- 0996US10214019B2Flexible substrate with integrated circuitHEWLETT PACKARD DEVELOPMENT CO·Filed 2015·Granted Feb 26, 2019·32 cites·16 claims
- 1096US9852282B2Protecting data in memory of a consumable productHEWLETT PACKARD DEVELOPMENT CO LP·Filed 2013·Granted Dec 26, 2017·35 cites·20 claims
- 1196US9819835B2Transform map at printer cartridgeHEWLETT PACKARD DEVELOPMENT CO LP·Filed 2017·Granted Nov 14, 2017·10 cites·24 claims
- 1296US9800765B2Printer cartridges and memory devices containing compressed multi-dimensional color tablesHEWLETT PACKARD DEVELOPMENT CO LP·Filed 2017·Granted Oct 24, 2017·9 cites·19 claims
- 1396US9770915B1Replaceable item authenticationHEWLETT PACKARD DEVELOPMENT CO LP·Filed 2017·Granted Sep 26, 2017·19 cites·14 claims
- 1496US9621764B2Printer cartridge and memory device containing a compressed color tableHEWLETT PACKARD DEVELOPMENT CO LP·Filed 2013·Granted Apr 11, 2017·13 cites·13 claims
- 1596US5027134ANon-clogging cap and service station for ink-jet printheadsHEWLETT PACKARD CO·Filed 1989·Granted Jun 25, 1991·111 cites·7 claims
- 1695US11020976B2Supply authentication via timing challenge responseHEWLETT PACKARD DEVELOPMENT CO·Filed 2017·Granted Jun 1, 2021·5 cites·8 claims
- 1795US9796186B1Transform map at printer cartridgeHEWLETT PACKARD DEVELOPMENT CO LP·Filed 2017·Granted Oct 24, 2017·10 cites·19 claims
- 1895US6698866B2Fluid ejection device using multiple grip pattern dataHEWLETT PACKARD DEVELOPMENT CO·Filed 2002·Granted Mar 2, 2004·58 cites·31 claims
- 1994US10237451B2Printer cartridges and memory devices containing compressed multi-dimensional color tablesHEWLETT PACKARD DEVELOPMENT CO·Filed 2017·Granted Mar 19, 2019·4 cites·20 claims
- 2093US6425650B1Educatable media determination system for inkjet printingHEWLETT PACKARD CO·Filed 2000·Granted Jul 30, 2002·49 cites·42 claims
- 2193US5146243ADiaphragm cap system for ink-jet printersHEWLETT PACKARD CO·Filed 1991·Granted Sep 8, 1992·97 cites·13 claims
- 2290US12050703B1Method of performing an authentication method and a pairing of a peripheral device to a companion deviceST MICROELECTRONICS INT NV·Filed 2023·Granted Jul 30, 2024·2 cites·30 claims
- 2390US10940693B1Logic circuitryHEWLETT PACKARD DEVELOPMENT CO·Filed 2019·Granted Mar 9, 2021·3 cites·28 claims
- 2490US10220631B2Transform map at printer cartridgeHEWLETT PACKARD DEVELOPMENT CO·Filed 2014·Granted Mar 5, 2019·5 cites·20 claims
- 2589US6149327AMethod and apparatus for determining and controlling inkjet printing drying timeHEWLETT PACKARD CO·Filed 1999·Granted Nov 21, 2000·64 cites·24 claims
- 2689US5151715APrinthead wiper for ink-jet printersHEWLETT PACKARD CO·Filed 1991·Granted Sep 29, 1992·72 cites·19 claims
- 2788US9781305B1Replaceable item authenticationHEWLETT PACKARD DEVELOPMENT CO LP·Filed 2017·Granted Oct 3, 2017·5 cites·7 claims
- 2888US8205976B2Partition mapHELTERLINE BRIAN L·Filed 2011·Granted Jun 26, 2012·6 cites·15 claims
- 2987US10205596B2Authenticating a consumable product based on a remaining life valueHEWLETT PACKARD DEVELOPMENT CO·Filed 2013·Granted Feb 12, 2019·4 cites·18 claims
- 3085US11738562B2Logic circuitryHEWLETT PACKARD DEVELOPMENT CO·Filed 2022·Granted Aug 29, 2023·0 cites·20 claims
- 3185US9630417B2Flexible substrate with integrated circuitHEWLETT PACKARD DEVELOPMENT CO LP·Filed 2016·Granted Apr 25, 2017·4 cites·22 claims
- 3284US11250146B2Logic circuitryHEWLETT PACKARD DEVELOPMENT CO·Filed 2018·Granted Feb 15, 2022·3 cites·29 claims
- 3383US11479046B2Logic circuitry for sensor data communicationsHEWLETT PACKARD DEVELOPMENT CO·Filed 2019·Granted Oct 25, 2022·1 cites·19 claims
- 3483US11048791B2Digitally signed dataHEWLETT PACKARD DEVELOPMENT CO·Filed 2016·Granted Jun 29, 2021·3 cites·20 claims
- 3583US6328411B1Ferro-fluidic inkjet printhead sealing and spitting systemHEWLETT PACKARD CO·Filed 1999·Granted Dec 11, 2001·45 cites·34 claims
- 3682US6367919B1Ink container with ink level gaugeHEWLETT PACKARD CO·Filed 2000·Granted Apr 9, 2002·22 cites·7 claims
- 3781US11429554B2Logic circuitry package accessible for a time period duration while disregarding inter-integrated circuitry trafficHEWLETT PACKARD DEVELOPMENT CO·Filed 2018·Granted Aug 30, 2022·1 cites·22 claims
- 3881US10372898B2Protecting data in memory of a consumable productHEWLETT PACKARD DEVELOPMENT CO·Filed 2017·Granted Aug 6, 2019·2 cites·19 claims
- 3981US10277399B2Replaceable item authenticationHEWLETT PACKARD DEVELOPMENT CO·Filed 2017·Granted Apr 30, 2019·2 cites·14 claims
- 4081US9327510B2Verification record for a replaceable supplySIMPSON SHELL S·Filed 2011·Granted May 3, 2016·3 cites·20 claims
- 4180US11691429B2Supply authentication via timing challenge responseHEWLETT PACKARD DEVELOPMENT CO·Filed 2021·Granted Jul 4, 2023·0 cites·20 claims
- 4280US6644782B1Printing system and printing under firing data resolution method for printing systemHEWLETT PACKARD DEVELOPMENT CO·Filed 2002·Granted Nov 11, 2003·22 cites·43 claims
- 4378US9599945B2Methods and systems for determining authenticity of a consumable productHEWLETT-PACKARD DEV COMPANY·Filed 2013·Granted Mar 21, 2017·5 cites·20 claims
- 4478US7269303B2Remote digital image enhancement system and methodHEWLETT PACKARD DEVELOPMENT CO·Filed 2001·Granted Sep 11, 2007·17 cites·6 claims
- 4577US11001069B2Replaceable item authenticationHEWLETT PACKARD DEVELOPMENT CO·Filed 2019·Granted May 11, 2021·1 cites·20 claims
- 4677US7034968B2Color calibration chartHEWLETT PACKARD DEVELOPMENT CO·Filed 2001·Granted Apr 25, 2006·15 cites·14 claims
- 4776US10956556B2Protecting data in memory of a consumable productHEWLETT PACKARD DEVELOPMENT CO·Filed 2019·Granted Mar 23, 2021·1 cites·20 claims
- 4874US11697287B2Transform map at printer cartridgeHEWLETT PACKARD DEVELOPMENT CO·Filed 2022·Granted Jul 11, 2023·0 cites·24 claims
- 4974US7607746B2Temperature calibration for fluid ejection headHEWLETT PACKARD DEVELOPMENT CO·Filed 2007·Granted Oct 27, 2009·3 cites·5 claims
- 5073US10423109B2System and method for managing subscription and trade based printer suppliesHEWLETT PACKARD DEVELOPMENT CO·Filed 2013·Granted Sep 24, 2019·1 cites·16 claims
Showing the top 50 of 138 patent records by PatentIndex Score.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →