Inventor · disambiguated record
John L. Stoffel
Also filed as: STOFFEL JOHN · STOFFEL JOHN L · STOFFEL JOHN LAWRENCE · STOFFEL JR JOHN L
34 granted patents·5 pending applications·1,343 citations·filing 1986–2018
98Inventor score
Files withHEWLETT PACKARD CO14HEWLETT PACKARD DEVELOPMENT CO9DU PONT4HEWLETT PACKARD DEVELOPMENT CO LP3INT PAPER CO2
Top patents by PatentIndex Score
39 records- 0197US5356464AAqueous ink compositions containing anti-curl agentsDU PONT·Filed 1993·Granted Oct 18, 1994·195 cites·11 claims
- 0297US5198023ACationic dyes with added multi-valent cations to reduce bleed in thermal ink-jet inksHEWLETT PACKARD CO·Filed 1992·Granted Mar 30, 1993·122 cites·16 claims
- 0396US7591889B2Dissimilar pigments for use in dark and light inkjet inksHEWLETT PACKARD DEVELOPMENT CO·Filed 2005·Granted Sep 22, 2009·23 cites·65 claims
- 0496US7582188B2Composition and ink receiving system incorporating the compositionHEWLETT PACKARD DEVELOPMENT CO·Filed 2005·Granted Sep 1, 2009·42 cites·14 claims
- 0596US5946012AReliable high performance drop generator for an inkjet printheadHEWLETT PACKARD CO·Filed 1998·Granted Aug 31, 1999·131 cites·44 claims
- 0695US6497479B1Higher organic inks with good reliability and drytimeHEWLETT PACKARD CO·Filed 2001·Granted Dec 24, 2002·54 cites·14 claims
- 0795US5555008AProcess for alleviating bleed in printed elementsDU PONT·Filed 1994·Granted Sep 10, 1996·82 cites·25 claims
- 0895US5401303AAqueous inks having improved halo characteristicsDU PONT·Filed 1994·Granted Mar 28, 1995·100 cites·25 claims
- 0995US4862197AProcess for manufacturing thermal ink jet printhead and integrated circuit (IC) structures produced therebyHEWLETT PACKARD CO·Filed 1986·Granted Aug 29, 1989·104 cites·5 claims
- 1093US5874974AReliable high performance drop generator for an inkjet printheadHEWLETT PACKARD CO·Filed 1996·Granted Feb 23, 1999·91 cites·42 claims
- 1192US8123907B2Composition and ink receiving system incorporating the compositionSTOFFEL JOHN L·Filed 2009·Granted Feb 28, 2012·32 cites·17 claims
- 1289US8758886B2Recording sheet with improved image dry timeKOENIG MICHAEL F·Filed 2005·Granted Jun 24, 2014·21 cites·16 claims
- 1387US4761180ADyes containing tetramethylammonium cation for ink-jet printing inksHEWLETT PACKARD CO·Filed 1987·Granted Aug 2, 1988·45 cites·30 claims
- 1484US6824598B2Inkjet ink sets with combinations of light dye load and dark dye loadHEWLETT PACKARD DEVELOPMENT CO·Filed 2002·Granted Nov 30, 2004·21 cites·54 claims
- 1584US6521030B1Inkjet ink sets with high ligthfastness dyeHEWLETT PACKARD CO·Filed 2000·Granted Feb 18, 2003·21 cites·80 claims
- 1681US5272491AThermal ink jet print device having phase change coolingHEWLETT PACKARD CO·Filed 1992·Granted Dec 21, 1993·49 cites·15 claims
- 1780US7553395B2Print media and methods of making print mediaHEWLETT PACKARD DEVELOPMENT CO·Filed 2004·Granted Jun 30, 2009·16 cites·28 claims
- 1878US6458195B1Use of hydrolyzed Reactive Red 23HEWLETT PACKARD CO·Filed 2001·Granted Oct 1, 2002·14 cites·8 claims
- 1978US4994110ADyes containing lithium for ink-jet printing inksHEWLETT PACKARD CO·Filed 1989·Granted Feb 19, 1991·29 cites·20 claims
- 2075US9068292B2Uncoated recording mediaHEWLETT PACKARD DEVELOPMENT CO·Filed 2013·Granted Jun 30, 2015·3 cites·34 claims
- 2174US9056515B2Paper enhancement treatment with decreased calcium chlorideWINGKONO GRACY A·Filed 2010·Granted Jun 16, 2015·9 cites·6 claims
- 2274US5801738AProcess for alleviating bleed and improving color in printed elementsDU PONT·Filed 1996·Granted Sep 1, 1998·27 cites·18 claims
- 2374US5091005AInks for bleed-free ink-jet printing on plain paperHEWLETT PACKARD CO·Filed 1990·Granted Feb 25, 1992·31 cites·10 claims
- 2473US5745140AColor ink-jet printer with pigment black and dye-based color inksHEWLETT PACKARD CO·Filed 1996·Granted Apr 28, 1998·32 cites·15 claims
- 2570US6139139AColor inkjet printer with pens containing reactive inksHEWLETT PACKARD CO·Filed 1997·Granted Oct 31, 2000·29 cites·2 claims
- 2665US8075962B2Newsprint media for inkjet printingTRAN HAI QUANG·Filed 2007·Granted Dec 13, 2011·1 cites·19 claims
- 2761US9855780B2Print media for inkjet printingHEWLETT PACKARD DEVELOPMENT CO LP·Filed 2014·Granted Jan 2, 2018·0 cites·12 claims
- 2861US9631318B2Printable recording mediaHEWLETT PACKARD DEVELOPMENT CO LP·Filed 2013·Granted Apr 25, 2017·0 cites·15 claims
- 2961US7111933B2Ink-jet systems and methods using visible and invisible inkHEWLETT PACKARD DEVELOPMENT CO·Filed 2003·Granted Sep 26, 2006·8 cites·22 claims
- 3058US2017066271A1Recording sheet with improved image dry timeINT PAPER CO·Filed 2016·Application pending·0 cites
- 3156US2014300663A1Recording sheet with improved image dry timeINT PAPER CO·Filed 2014·Application pending·0 cites
- 3252US9545810B2Low grammage recording mediumHEWLETT PACKARD DEVELOPMENT CO LP·Filed 2013·Granted Jan 17, 2017·0 cites·17 claims
- 3351US2021238799A1Internal recirculation printingHEWLETT PACKARD DEVELOPMENT CO·Filed 2018·Application pending·0 cites
- 3449US5880758APrinter with pen containing a low dot spread black ink and a high dot spread color inkHEWLETT PACKARD CO·Filed 1997·Granted Mar 9, 1999·11 cites·33 claims
- 3544US8007096B2Ink compositions for use in highlighter markers and associated methodsHEWLETT PACKARD DEVELOPMENT CO·Filed 2003·Granted Aug 30, 2011·0 cites·32 claims
- 3641US9127407B2Sizing compositionHEWLETT PACKARD DEVELOPMENT CO·Filed 2013·Granted Sep 8, 2015·0 cites·15 claims
- 3740US9435079B2Uncoated recording mediaOSWALD THOMAS ROGER·Filed 2012·Granted Sep 6, 2016·0 cites·17 claims
- 3840US2006228499A1Printing media with polydicyandiamides and multi-valent saltsTRAN HAI Q·Filed 2005·Application pending·0 cites
- 3938US2014030485A1Renewable print mediaSTOFFEL JOHN L·Filed 2012·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →