Inventor · disambiguated record
Mark H. Mackenzie
Also filed as: MACKENZIE MARK · MACKENZIE MARK H
64 granted patents·6 pending applications·497 citations·filing 2000–2021
98Inventor score
Files withHEWLETT PACKARD DEVELOPMENT CO46HEWLETT PACKARD CO11HEWLETT PACKARD DEVELOPMENT CO LP5CLARK GARRETT E1GHOZEIL ADAM L1
Top patents by PatentIndex Score
70 records- 0193US10343433B2Skew sensor calibrationHEWLETT PACKARD DEVELOPMENT CO·Filed 2015·Granted Jul 9, 2019·5 cites·15 claims
- 0293US8888212B2Printhead spacingHEWLETT PACKARD DEVELOPMENT CO·Filed 2013·Granted Nov 18, 2014·6 cites·18 claims
- 0393US6585352B1Compact high-performance, high-density ink jet printheadHEWLETT PACKARD DEVELOPMENT CO·Filed 2000·Granted Jul 1, 2003·41 cites·21 claims
- 0492US6808241B2Fluid ejection deviceHEWLETT PACKARD DEVELOPMENT CO·Filed 2003·Granted Oct 26, 2004·46 cites·52 claims
- 0592US6267468B1Printhead substrate having a mixture of single and double sided elongate ink feed channelsHEWLETT PACKARD CO·Filed 2000·Granted Jul 31, 2001·49 cites·13 claims
- 0690US9676190B2Print head die with thermal controlHEWLETT PACKARD DEVELOPMENT CO LP·Filed 2016·Granted Jun 13, 2017·3 cites·20 claims
- 0788US6481817B1Method and apparatus for ejecting inkHEWLETT PACKARD CO·Filed 2000·Granted Nov 19, 2002·35 cites·29 claims
- 0887US9586425B2Printhead spacingHEWLETT PACKARD DEVELOPMENT CO LP·Filed 2014·Granted Mar 7, 2017·3 cites·20 claims
- 0987US6860587B2Ink jet printheadHEWLETT PACKARD DEVELOPMENT CO·Filed 2002·Granted Mar 1, 2005·26 cites·43 claims
- 1086US8348373B2Firing signal forwarding in a fluid ejection deviceHEWLETT PACKARD DEVELOPMENT CO·Filed 2008·Granted Jan 8, 2013·8 cites·20 claims
- 1186US6722759B2Ink jet printheadHEWLETT PACKARD DEVELOPMENT CO·Filed 2002·Granted Apr 20, 2004·24 cites·48 claims
- 1283US6422676B1Compact ink jet printheadHEWLETT PACKARD CO·Filed 2001·Granted Jul 23, 2002·25 cites·31 claims
- 1380US9937714B2Print head die with thermal controlHEWLETT PACKARD DEVELOPMENT CO·Filed 2017·Granted Apr 10, 2018·1 cites·20 claims
- 1480US6866364B2Printhead having drop generators in staggered axis groupsHEWLETT PACKARD DEVELOPMENT CO·Filed 2003·Granted Mar 15, 2005·17 cites·20 claims
- 1580US6315389B1Printhead having different center to center spacings between rows of nozzlesHEWLETT PACKARD CO·Filed 2000·Granted Nov 13, 2001·21 cites·11 claims
- 1678US6890064B2Energy balanced printhead designHEWLETT PACKARD DEVELOPMENT CO·Filed 2004·Granted May 10, 2005·12 cites·32 claims
- 1778US6431686B2Fluid ejection device controlled by electrically isolated primitivesHEWLETT PACKARD CO·Filed 2001·Granted Aug 13, 2002·17 cites·14 claims
- 1877US9199461B2Print head dieHEWLETT PACKARD DEVELOPMENT CO·Filed 2012·Granted Dec 1, 2015·2 cites·16 claims
- 1977US6767089B2Slotted semiconductor substrate having microelectronics integrated thereonHEWLETT PACKARD DEVELOPMENT CO·Filed 2002·Granted Jul 27, 2004·18 cites·32 claims
- 2076US6902252B1Fluid ejection device with staggered ink drop generatorsHEWLETT PACKARD DEVELOPMENT CO·Filed 2000·Granted Jun 7, 2005·14 cites·17 claims
- 2175US10343397B2Printer cartridge with multiple fluid chambers in fluid communicationHEWLETT PACKARD DEVELOPMENT CO·Filed 2015·Granted Jul 9, 2019·1 cites·20 claims
- 2274US10479110B2Partially dried inkjet media fusersHEWLETT PACKARD DEVELOPMENT CO·Filed 2016·Granted Nov 19, 2019·1 cites·17 claims
- 2374US6726311B2Energy balanced printhead designHEWLETT PACKARD DEVELOPMENT CO·Filed 2002·Granted Apr 27, 2004·10 cites·20 claims
- 2473US6488363B2Energy balanced printhead designHEWLETT PACKARD CO·Filed 2001·Granted Dec 3, 2002·10 cites·29 claims
- 2573US6402279B1Inkjet printhead and method for the sameHEWLETT PACKARD CO·Filed 2000·Granted Jun 11, 2002·15 cites·21 claims
- 2673US2022105726A1PrintheadsHEWLETT PACKARD DEVELOPMENT CO·Filed 2021·Application pending·0 cites
- 2772US9221256B2Print head dieHEWLETT PACKARD DEVELOPMENT CO·Filed 2012·Granted Dec 29, 2015·2 cites·15 claims
- 2872US6523935B2Narrow ink jet printheadHEWLETT PACKARD CO·Filed 2001·Granted Feb 25, 2003·12 cites·42 claims
- 2971US9782978B2Serpentine direction reversal in bidirectional error diffusion halftoningHEWLETT PACKARD DEVELOPMENT CO LP·Filed 2014·Granted Oct 10, 2017·1 cites·15 claims
- 3071US9168739B2Print head dieHEWLETT PACKARD DEVELOPMENT CO·Filed 2012·Granted Oct 27, 2015·1 cites·16 claims
- 3171US8511796B2Firing cellGHOZEIL ADAM L·Filed 2008·Granted Aug 20, 2013·4 cites·12 claims
- 3271US6698857B2Method and apparatus for transferring information to a printheadHEWLETT PACKARD DEVELOPMENT CO·Filed 2003·Granted Mar 2, 2004·11 cites·20 claims
- 3371US6412917B1Energy balanced printhead designHEWLETT PACKARD CO·Filed 2001·Granted Jul 2, 2002·9 cites·21 claims
- 3470US9511584B2Print head die with thermal controlHEWLETT PACKARD DEVELOPMENT CO LP·Filed 2012·Granted Dec 6, 2016·1 cites·13 claims
- 3570US9268023B2Drop detectionHEWLETT PACKARD DEVELOPMENT CO·Filed 2012·Granted Feb 23, 2016·5 cites·20 claims
- 3668US11040329B2Density classifiers based on plane regionsHEWLETT PACKARD DEVELOPMENT CO·Filed 2019·Granted Jun 22, 2021·0 cites·9 claims
- 3765US10207497B2Selecting nozzlesHEWLETT PACKARD DEVELOPMENT CO·Filed 2018·Granted Feb 19, 2019·0 cites·20 claims
- 3865US6648732B2Thin film coating of a slotted substrate and techniques for forming slotted substratesHEWLETT PACKARD DEVELOPMENT CO·Filed 2001·Granted Nov 18, 2003·9 cites·6 claims
- 3962US6478404B2Ink jet printheadHEWLETT PACKARD CO·Filed 2001·Granted Nov 12, 2002·7 cites·38 claims
- 4060US9994014B2Selecting nozzlesHEWLETT PACKARD DEVELOPMENT CO·Filed 2014·Granted Jun 12, 2018·0 cites·15 claims
- 4160US6945634B2Thin film coating of a slotted substrate and techniques for forming slotted substratesHEWLETT PACKARD DEVELOPMENT CO·Filed 2003·Granted Sep 20, 2005·7 cites·28 claims
- 4258US11220107B2PrintheadsHEWLETT PACKARD DEVELOPMENT CO·Filed 2016·Granted Jan 11, 2022·0 cites·20 claims
- 4358US9358788B2Print head dieHEWLETT PACKARD DEVELOPMENT CO·Filed 2015·Granted Jun 7, 2016·0 cites·17 claims
- 4458US6305774B1Printhead substrate having an ink jet primitive structure that spans both edges of an ink feed channelHEWLETT PACKARD CO·Filed 2000·Granted Oct 23, 2001·7 cites·14 claims
- 4556US10870291B2Partially dried inkjet media conditionerHEWLETT PACKARD DEVELOPMENT CO·Filed 2016·Granted Dec 22, 2020·0 cites·14 claims
- 4655US10661567B2Printheads and methods of fabricating a printheadHEWLETT PACKARD DEVELOPMENT CO·Filed 2015·Granted May 26, 2020·0 cites·11 claims
- 4754US10780699B2Printhead with removable printhead coverHEWLETT PACKARD DEVELOPMENT CO·Filed 2015·Granted Sep 22, 2020·0 cites·15 claims
- 4854US10427406B2Print bar sensorsHEWLETT PACKARD DEVELOPMENT CO·Filed 2016·Granted Oct 1, 2019·0 cites·12 claims
- 4954US10363745B2Printheads with pressure equalizationHEWLETT PACKARD DEVELOPMENT CO·Filed 2016·Granted Jul 30, 2019·0 cites·19 claims
- 5054US7594328B2Method of forming a slotted substrate with partially patterned layersHEWLETT PACKARD DEVELOPMENT CO·Filed 2005·Granted Sep 29, 2009·1 cites·7 claims
Showing the top 50 of 70 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →