Inventor · disambiguated record
James M. Chwalek
Also filed as: CHWALEK JAMES · CHWALEK JAMES M · CHWALEK JAMES MICHAEL
71 granted patents·9 pending applications·3,579 citations·filing 1993–2024
99Inventor score
Files withEASTMAN KODAK CO69Ascent Ventures LLC5DELAMETTER CHRISTOPHER N2CHWALEK JAMES M1HAWKINS GILBERT A1
Top patents by PatentIndex Score
80 records- 0199US6588888B2Continuous ink-jet printing method and apparatusEASTMAN KODAK CO·Filed 2000·Granted Jul 8, 2003·279 cites·35 claims
- 0299US6554410B2Printhead having gas flow ink droplet separation and method of diverging ink dropletsEASTMAN KODAK CO·Filed 2000·Granted Apr 29, 2003·257 cites·59 claims
- 0399US6505921B2Ink jet apparatus having amplified asymmetric heating drop deflectionEASTMAN KODAK CO·Filed 2000·Granted Jan 14, 2003·211 cites·16 claims
- 0499US6079821AContinuous ink jet printer with asymmetric heating drop deflectionEASTMAN KODAK CO·Filed 1997·Granted Jun 27, 2000·280 cites·12 claims
- 0599US6022099AInk printing with drop separationEASTMAN KODAK CO·Filed 1997·Granted Feb 8, 2000·415 cites·5 claims
- 0699US5896155AInk transfer printing apparatus with drop volume adjustmentEASTMAN KODAK CO·Filed 1997·Granted Apr 20, 1999·310 cites·10 claims
- 0798US7350902B2Fluid ejection device nozzle array configurationEASTMAN KODAK CO·Filed 2004·Granted Apr 1, 2008·173 cites·48 claims
- 0898US6827429B2Continuous ink jet printing method and apparatus with ink droplet velocity discriminationEASTMAN KODAK CO·Filed 2001·Granted Dec 7, 2004·119 cites·11 claims
- 0998US6517197B2Continuous ink-jet printing method and apparatus for correcting ink drop replacementEASTMAN KODAK CO·Filed 2001·Granted Feb 11, 2003·113 cites·48 claims
- 1097US6450619B1CMOS/MEMS integrated ink jet print head with heater elements formed during CMOS processing and method of forming sameEASTMAN KODAK CO·Filed 2001·Granted Sep 17, 2002·75 cites·29 claims
- 1196US6943037B2CMOS/MEMS integrated ink jet print head and method of forming sameEASTMAN KODAK CO·Filed 2002·Granted Sep 13, 2005·59 cites·23 claims
- 1296US6502925B2CMOS/MEMS integrated ink jet print head and method of operating sameEASTMAN KODAK CO·Filed 2001·Granted Jan 7, 2003·60 cites·39 claims
- 1395US7303265B1Air deflected drop liquid pattern deposition apparatus and methodsEASTMAN KODAK CO·Filed 2006·Granted Dec 4, 2007·19 cites·19 claims
- 1495US6863385B2Continuous ink-jet printing method and apparatusEASTMAN KODAK CO·Filed 2003·Granted Mar 8, 2005·48 cites·32 claims
- 1595US6682182B2Continuous ink jet printing with improved drop formationEASTMAN KODAK CO·Filed 2002·Granted Jan 27, 2004·58 cites·15 claims
- 1695US6450628B1Continuous ink jet printing apparatus with nozzles having different diametersEASTMAN KODAK CO·Filed 2001·Granted Sep 17, 2002·65 cites·12 claims
- 1795US6065825APrinter having mechanically-assisted ink droplet separation and method of using sameEASTMAN KODAK CO·Filed 1997·Granted May 23, 2000·114 cites·35 claims
- 1895US5916358AInk compositions containing surfactant sols comprising mixtures of solid surfactantsEASTMAN KODAK CO·Filed 1996·Granted Jun 29, 1999·105 cites·20 claims
- 1990US5418802AFrequency tunable waveguide extended cavity laserEASTMAN KODAK CO·Filed 1993·Granted May 23, 1995·66 cites·23 claims
- 2089US6474794B1Incorporation of silicon bridges in the ink channels of CMOS/MEMS integrated ink jet print head and method of forming sameEASTMAN KODAK CO·Filed 2000·Granted Nov 5, 2002·35 cites·18 claims
- 2189US6439703B1CMOS/MEMS integrated ink jet print head with silicon based lateral flow nozzle architecture and method of forming sameEASTMAN KODAK CO·Filed 2000·Granted Aug 27, 2002·38 cites·21 claims
- 2289US6217163B1Continuous ink jet print head having multi-segment heatersEASTMAN KODAK CO·Filed 1998·Granted Apr 17, 2001·66 cites·13 claims
- 2386US7857422B2Dual feed liquid drop ejectorEASTMAN KODAK CO·Filed 2007·Granted Dec 28, 2010·7 cites·39 claims
- 2486US7836600B2Fluid ejector having an anisotropic surface chamber etchEASTMAN KODAK CO·Filed 2007·Granted Nov 23, 2010·7 cites·17 claims
- 2584US6883904B2Apparatus and method for maintaining constant drop volumes in a continuous stream ink jet printerEASTMAN KODAK CO·Filed 2002·Granted Apr 26, 2005·24 cites·33 claims
- 2684US6554389B1Inkjet drop selection a non-uniform airstreamEASTMAN KODAK CO·Filed 2001·Granted Apr 29, 2003·24 cites·17 claims
- 2784US6491376B2Continuous ink jet printhead with thin membrane nozzle plateEASTMAN KODAK CO·Filed 2001·Granted Dec 10, 2002·25 cites·50 claims
- 2882US6497510B1Deflection enhancement for continuous ink jet printersEASTMAN KODAK CO·Filed 1999·Granted Dec 24, 2002·37 cites·30 claims
- 2978US11417309B2Ultrasonic transducer with via formed in piezoelectric element and method of fabricating an ultrasonic transducer including milling a piezoelectric substrateAscent Ventures LLC·Filed 2018·Granted Aug 16, 2022·1 cites·18 claims
- 3078US8591008B2Liquid drop ejection using dual feed ejectorDELAMETTER CHRISTOPHER N·Filed 2011·Granted Nov 26, 2013·5 cites·20 claims
- 3177US6481835B2Continuous ink-jet printhead having serrated gutterEASTMAN KODAK CO·Filed 2001·Granted Nov 19, 2002·17 cites·21 claims
- 3277US6213595B1Continuous ink jet print head having power-adjustable segmented heatersEASTMAN KODAK CO·Filed 1998·Granted Apr 10, 2001·35 cites·8 claims
- 3377US5436919AMultiwavelength upconversion waveguide laserEASTMAN KODAK CO·Filed 1994·Granted Jul 25, 1995·35 cites·19 claims
- 3476US6509917B1Continuous ink jet printer with binary electrostatic deflectionEASTMAN KODAK CO·Filed 1997·Granted Jan 21, 2003·33 cites·14 claims
- 3576US6283575B1Ink printing head with gutter cleaning structure and method of assembling the printerEASTMAN KODAK CO·Filed 1999·Granted Sep 4, 2001·33 cites·23 claims
- 3676US6254225B1Continuous ink jet printer with asymmetric heating drop deflectionEASTMAN KODAK CO·Filed 2000·Granted Jul 3, 2001·16 cites·15 claims
- 3776US2024424531A1High frequency ultrasonic transducer and method of fabricationAscent Ventures LLC·Filed 2024·Application pending·0 cites
- 3874US7731341B2Continuous fluid jet ejector with anisotropically etched fluid chambersEASTMAN KODAK CO·Filed 2005·Granted Jun 8, 2010·3 cites·28 claims
- 3974US6234620B1Continuous ink jet printer catcher and method for making sameEASTMAN KODAK CO·Filed 1999·Granted May 22, 2001·30 cites·6 claims
- 4073US7213908B2Fluid ejector having an anisotropic surface chamber etchEASTMAN KODAK CO·Filed 2004·Granted May 8, 2007·12 cites·54 claims
- 4169US6588890B1Continuous inkjet printer with heat actuated microvalves for controlling the direction of delivered inkEASTMAN KODAK CO·Filed 2001·Granted Jul 8, 2003·12 cites·7 claims
- 4269US6572223B2Apparatus and method of balancing end jet forces in an ink jet printing systemEASTMAN KODAK CO·Filed 2001·Granted Jun 3, 2003·12 cites·44 claims
- 4369US2022013103A1Ultrasonic Transducer and Method of Fabricating an Ultrasonic TransducerAscent Ventures LLC·Filed 2021·Application pending·0 cites
- 4467US5786102ADevice for converting invisible and visible radiation to visible light and/or UV radiationEASTMAN KODAK CO·Filed 1996·Granted Jul 28, 1998·18 cites·14 claims
- 4566US6361156B1Continuous ink jet printing processEASTMAN KODAK CO·Filed 2000·Granted Mar 26, 2002·7 cites·6 claims
- 4666US6012805AContinuous ink jet printer with variable contact drop deflectionEASTMAN KODAK CO·Filed 1997·Granted Jan 11, 2000·22 cites·24 claims
- 4765US7364277B2Apparatus and method of controlling droplet trajectoryEASTMAN KODAK CO·Filed 2004·Granted Apr 29, 2008·8 cites·27 claims
- 4864US6739705B2Continuous stream ink jet printhead of the gas stream drop deflection type having ambient pressure compensation mechanism and method of operation thereofEASTMAN KODAK CO·Filed 2002·Granted May 25, 2004·9 cites·28 claims
- 4963US6966110B2Fabrication of liquid emission device with symmetrical electrostatic mandrelEASTMAN KODAK CO·Filed 2002·Granted Nov 22, 2005·9 cites·7 claims
- 5061US6770211B2Fabrication of liquid emission device with asymmetrical electrostatic mandrelEASTMAN KODAK CO·Filed 2002·Granted Aug 3, 2004·8 cites·4 claims
Showing the top 50 of 80 patent records by PatentIndex Score.
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