Inventor · disambiguated record
Ulrich Hess
Also filed as: HESS ULRICH · HESS ULRICH E
19 granted patents·1 pending application·932 citations·filing 1986–2006
96Inventor score
Files withHEWLETT PACKARD CO11HEWLETT PACKARD DEVELOPMENT CO4ISIS PHARMA GMBH2BAYERISCHE MOTOREN WERKE AG1HANS EICHNER GMBH & CO KG1
Top patents by PatentIndex Score
20 records- 0198US4719477AIntegrated thermal ink jet printhead and method of manufactureHEWLETT PACKARD CO·Filed 1986·Granted Jan 12, 1988·223 cites·9 claims
- 0296US5635968AThermal inkjet printer printhead with offset heater resistorsHEWLETT PACKARD CO·Filed 1994·Granted Jun 3, 1997·171 cites·14 claims
- 0395US5122812AThermal inkjet printhead having driver circuitry thereon and method for making the sameHEWLETT PACKARD CO·Filed 1991·Granted Jun 16, 1992·141 cites·22 claims
- 0493US5159353AThermal inkjet printhead structure and method for making the sameHEWLETT PACKARD CO·Filed 1991·Granted Oct 27, 1992·116 cites·37 claims
- 0591US5635966AEdge feed ink delivery thermal inkjet printhead structure and method of fabricationHEWLETT PACKARD CO·Filed 1994·Granted Jun 3, 1997·91 cites·10 claims
- 0682US5598189ABipolar integrated ink jet printhead driverHEWLETT PACKARD CO·Filed 1993·Granted Jan 28, 1997·39 cites·16 claims
- 0780US7517060B2Fluid-ejection devices and a deposition method for layers thereofHEWLETT PACKARD DEVELOPMENT CO·Filed 2006·Granted Apr 14, 2009·5 cites·15 claims
- 0880US7025894B2Fluid-ejection devices and a deposition method for layers thereofHEWLETT PACKARD DEVELOPMENT CO·Filed 2003·Granted Apr 11, 2006·18 cites·7 claims
- 0971US5808640ASpecial geometry ink jet resistor for high dpi/high frequency structuresHEWLETT PACKARD CO·Filed 1996·Granted Sep 15, 1998·32 cites·10 claims
- 1068US6209991B1Transition metal carbide films for applications in ink jet printheadsHEWLETT PACKARD CO·Filed 1997·Granted Apr 3, 2001·25 cites·24 claims
- 1167US6273555B1High efficiency ink delivery printhead having improved thermal characteristicsHEWLETT PACKARD CO·Filed 1999·Granted Aug 14, 2001·23 cites·19 claims
- 1256US6974548B2Printhead having a thin film membrane with a floating sectionHEWLETT PACKARD DEVELOPMENT CO·Filed 2003·Granted Dec 13, 2005·5 cites·30 claims
- 1356US6626523B2Printhead having a thin film membrane with a floating sectionHEWLETT PACKARD DEVELOPMENT CO·Filed 2001·Granted Sep 30, 2003·5 cites·19 claims
- 1453US5681764AMethod for forming a bipolar integrated ink jet printhead driverHEWLETT PACKARD CO·Filed 1996·Granted Oct 28, 1997·12 cites·10 claims
- 1552US6485128B1Ink jet pen with a heater element having a contoured surfaceHEWLETT PACKARD CO·Filed 1997·Granted Nov 26, 2002·16 cites·20 claims
- 1639US6772716B2Method and system for controlling a cooling system of an internal-combustion engineBAYERISCHE MOTOREN WERKE AG·Filed 2002·Granted Aug 10, 2004·2 cites·22 claims
- 1734US6365611B1Pentaerythrite derivatives, the production and use thereof and intermediate products for the synthesis of the sameISIS PHARMA GMBH·Filed 1998·Granted Apr 2, 2002·4 cites·8 claims
- 1833US2003071877A1Deposition method for a passivation layer of a fluid ejection deviceFiled 2001·Application pending·0 cites
- 1932US6180664B1Pentaerythritol derivatives, their production and use and intermediates for their synthesisISIS PHARMA GMBH·Filed 1997·Granted Jan 30, 2001·3 cites·27 claims
- 2026US7213589B2Compressed-gas gunHANS EICHNER GMBH & CO KG·Filed 2004·Granted May 8, 2007·1 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →