Inventor · disambiguated record
James A. Feinn
Also filed as: FEINN JAMES · FEINN JAMES A
40 granted patents·5 pending applications·997 citations·filing 1997–2020
98Inventor score
Files withHEWLETT PACKARD DEVELOPMENT CO26HEWLETT PACKARD CO14FEINN JAMES A2HEWLETT PACKARD DEVELOPMENT CO LP1STRAND THOMAS R1
Top patents by PatentIndex Score
45 records- 0199US6543879B1Inkjet printhead assembly having very high nozzle packing densityHEWLETT PACKARD CO·Filed 2001·Granted Apr 8, 2003·414 cites·52 claims
- 0290US6322200B1Decoupled nozzle plate and electrical flexible circuit for an inkjet print cartridgeHEWLETT PACKARD CO·Filed 1999·Granted Nov 27, 2001·71 cites·18 claims
- 0389US6561632B2Printhead with high nozzle packing densityHEWLETT PACKARD DEVELOPMENT CO·Filed 2001·Granted May 13, 2003·34 cites·18 claims
- 0489US6428145B1Wide-array inkjet printhead assembly with internal electrical routing systemHEWLETT PACKARD CO·Filed 2000·Granted Aug 6, 2002·58 cites·56 claims
- 0588US7104624B2Fire pulses in a fluid ejection deviceHEWLETT PACKARD DEVELOPMENT CO·Filed 2003·Granted Sep 12, 2006·29 cites·19 claims
- 0684US6932453B2Inkjet printhead assembly having very high drop rate generationHEWLETT PACKARD DEVELOPMENT CO·Filed 2001·Granted Aug 23, 2005·25 cites·11 claims
- 0784US6746107B2Inkjet printhead having ink feed channels defined by thin-film structure and orifice layerHEWLETT PACKARD DEVELOPMENT CO·Filed 2001·Granted Jun 8, 2004·26 cites·41 claims
- 0883US6502915B1Apparatus for generating high frequency ink ejection and ink chamber refillHEWLETT PACKARD CO·Filed 2000·Granted Jan 7, 2003·21 cites·18 claims
- 0977US6193345B1Apparatus for generating high frequency ink ejection and ink chamber refillHEWLETT PACKARD CO·Filed 1997·Granted Feb 27, 2001·32 cites·3 claims
- 1077US5923344AFractional dot column correction for scan axis alignment during printingHEWLETT PACKARD CO·Filed 1997·Granted Jul 13, 1999·38 cites·24 claims
- 1176US6364475B2Inkjet print cartridge design to decrease ink shorts due to ink penetration of the printheadHEWLETT PACKARD CO·Filed 1999·Granted Apr 2, 2002·30 cites·12 claims
- 1276US6126277ANon-kogating, low turn on energy thin film structure for very low drop volume thermal ink jet pensHEWLETT PACKARD CO·Filed 1998·Granted Oct 3, 2000·34 cites·4 claims
- 1373US6361160B2Print cartridge with adhesive dispensed through window of flexible circuitHEWLETT PACKARD CO·Filed 2001·Granted Mar 26, 2002·13 cites·10 claims
- 1470US6832823B1Disabling ink ejection elements to decrease dot placement artifacts in an inkjet printheadHEWLETT PACKARD DEVELOPMENT CO·Filed 2003·Granted Dec 21, 2004·13 cites·32 claims
- 1570US6431678B2Ink leakage detecting apparatusHEWLETT PACKARD CO·Filed 1998·Granted Aug 13, 2002·26 cites·3 claims
- 1670US6325491B1Inkjet printhead design to reduce corrosion of substrate bond padsHEWLETT PACKARD CO·Filed 1999·Granted Dec 4, 2001·26 cites·24 claims
- 1770US6234613B1Apparatus for generating small volume, high velocity ink droplets in an inkjet printerHEWLETT PACKARD CO·Filed 1997·Granted May 22, 2001·28 cites·28 claims
- 1869US10562304B2Noncircular inkjet nozzleHEWLETT PACKARD DEVELOPMENT CO·Filed 2018·Granted Feb 18, 2020·0 cites·20 claims
- 1969US6726300B2Fire pulses in a fluid ejection deviceHEWLETT PACKARD DEVELOPMENT CO·Filed 2002·Granted Apr 27, 2004·10 cites·17 claims
- 2068US6698858B1System and method for decreasing print banding with time delay synchronization of ejected inkHEWLETT PACKARD DEVELOPMENT CO·Filed 2003·Granted Mar 2, 2004·11 cites·30 claims
- 2167US6922203B2Barrier/orifice design for improved printhead performanceHEWLETT PACKARD DEVELOPMENT CO·Filed 2001·Granted Jul 26, 2005·11 cites·39 claims
- 2266US10252527B2Noncircular inkjet nozzleHEWLETT PACKARD DEVELOPMENT CO·Filed 2017·Granted Apr 9, 2019·0 cites·16 claims
- 2366US7932098B2Microfluidic system utilizing thin-film layers to route fluidHEWLETT PACKARD DEVELOPMENT CO·Filed 2002·Granted Apr 26, 2011·8 cites·11 claims
- 2465US10112393B2Noncircular inkjet nozzleFEINN JAMES A·Filed 2010·Granted Oct 30, 2018·1 cites·18 claims
- 2564US7517056B2Fluid ejection deviceHEWLETT PACKARD DEVELOPMENT CO·Filed 2006·Granted Apr 14, 2009·2 cites·20 claims
- 2663US10112384B2Enhancing temperature distribution uniformity across a printer dieHEWLETT PACKARD DEVELOPMENT CO·Filed 2018·Granted Oct 30, 2018·0 cites·20 claims
- 2761US11090928B2Fluid distinguishing devicesHEWLETT PACKARD DEVELOPMENT CO·Filed 2017·Granted Aug 17, 2021·0 cites·15 claims
- 2861US6259463B1Multi-drop merge on media printing systemHEWLETT PACKARD CO·Filed 1997·Granted Jul 10, 2001·19 cites·44 claims
- 2959US9908326B2Enhancing temperature distribution uniformity across a printer dieHEWLETT PACKARD DEVELOPMENT CO·Filed 2014·Granted Mar 6, 2018·0 cites·20 claims
- 3057US11970010B2Printhead with circulation channelHEWLETT PACKARD DEVELOPMENT CO·Filed 2019·Granted Apr 30, 2024·0 cites·15 claims
- 3157US11040530B2Temperature-based actuator evaluationHEWLETT PACKARD DEVELOPMENT CO·Filed 2018·Granted Jun 22, 2021·0 cites·15 claims
- 3257US6260952B1Apparatus and method for routing power and ground lines in a ink-jet printheadHEWLETT PACKARD CO·Filed 1999·Granted Jul 17, 2001·15 cites·19 claims
- 3355US2016346793A1Puddle control on a fluid dispense headHEWLETT PACKARD DEVELOPMENT CO LP·Filed 2016·Application pending·0 cites
- 3453US11220104B2Reducing inkjet aerosolHEWLETT PACKARD DEVELOPMENT CO·Filed 2017·Granted Jan 11, 2022·0 cites·13 claims
- 3550US11467116B2Fluidic property determination from fluid impedancesHEWLETT PACKARD DEVELOPMENT CO·Filed 2018·Granted Oct 11, 2022·0 cites·20 claims
- 3650US7669314B2Method of fabricating a fluid ejection device having a data storage structureHEWLETT PACKARD DEVELOPMENT CO·Filed 2007·Granted Mar 2, 2010·0 cites·9 claims
- 3748US9427752B2Dispensing heads with fluid puddle limiting surface featuresSTRAND THOMAS R·Filed 2011·Granted Aug 30, 2016·0 cites·16 claims
- 3848US8919928B2Fluid ejection device having firing chamber with mesaWHITE LAWRENCE H·Filed 2012·Granted Dec 30, 2014·0 cites·13 claims
- 3944US2020309666A1Detection of fluid particle concentrationsHEWLETT PACKARD DEVELOPMENT CO·Filed 2017·Application pending·0 cites
- 4041US10717278B2Noncircular inkjet nozzleFEINN JAMES A·Filed 2011·Granted Jul 21, 2020·0 cites·4 claims
- 4141US7249825B2Fluid ejection device with data storage structureHEWLETT PACKARD DEVELOPMENT CO·Filed 2003·Granted Jul 31, 2007·1 cites·13 claims
- 4241US2022379607A1Printhead with offset circulation channelHEWLETT PACKARD DEVELOPMENT CO·Filed 2019·Application pending·0 cites
- 4340US6935714B2Variable mapping of nozzle rows to decrease dot placement artifacts of an inkjet printheadHEWLETT PACKARD DEVELOPMENT CO·Filed 2003·Granted Aug 30, 2005·1 cites·43 claims
- 4438US2023025124A1Recirculation fluid ejection deviceHEWLETT PACKARD DEVELOPMENT CO·Filed 2019·Application pending·0 cites
- 4532US2023068297A1Determining flow rates with thermal sensorsHEWLETT PACKARD DEVELOPMENT CO·Filed 2020·Application pending·0 cites
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