Inventor · disambiguated record
Joseph W. Tsang
Also filed as: TSANG JOSEPH · TSANG JOSEPH W
38 granted patents·6 pending applications·1,150 citations·filing 1994–2018
98Inventor score
Files withHEWLETT PACKARD CO15HEWLETT PACKARD DEVELOPMENT CO11INTEL CORP5US NAVY4UHLIR-TSANG LINDA C2
Top patents by PatentIndex Score
44 records- 0196US6450632B1Underprinting fluid compositions to improve inkjet printer image color and stabilityHEWLETT PACKARD CO·Filed 2000·Granted Sep 17, 2002·74 cites·60 claims
- 0296US6150433AInk-jet ink compositions containing modified macromolecular chromophores with covalently attached polymersHEWLETT PACKARD CO·Filed 1998·Granted Nov 21, 2000·92 cites·18 claims
- 0394US10344160B1Super-hydrophobic epoxy resin compositionsUS NAVY·Filed 2015·Granted Jul 9, 2019·9 cites·19 claims
- 0494US6924054B2Fuel supply for a fuel cellHEWLETT PACKARD DEVELOPMENT CO·Filed 2001·Granted Aug 2, 2005·110 cites·49 claims
- 0593US10421882B1Polysiloxane based coating compositionsUS GOV SEC NAVY·Filed 2016·Granted Sep 24, 2019·3 cites·10 claims
- 0693US6818334B2Accelerated hydrogen generation through reactive mixing of two or more fluidsHEWLETT PACKARD DEVELOPMENT CO·Filed 2002·Granted Nov 16, 2004·61 cites·32 claims
- 0793US6323257B1Ink-jet ink compositions containing reactive macromolecular chromophores for digital and textile printingHEWLETT PACKARD CO·Filed 1999·Granted Nov 27, 2001·77 cites·26 claims
- 0893US6221932B1Covalent attachment of polymers onto macromolecular chromophores by nucleophilic substitution reaction for inkjet printingHEWLETT PACKARD CO·Filed 1998·Granted Apr 24, 2001·69 cites·20 claims
- 0993US5891934AWaterfast macromolecular chromophores using amphiphilesHEWLETT PACKARD CO·Filed 1997·Granted Apr 6, 1999·75 cites·18 claims
- 1091US10000643B1Waterborne corrosion resistant organic primer compositionsUS NAVY·Filed 2015·Granted Jun 19, 2018·5 cites·12 claims
- 1189US7149909B2Power management for an integrated graphics deviceINTEL CORP·Filed 2002·Granted Dec 12, 2006·71 cites·18 claims
- 1288US7128997B2Method and system for dispensing pelletized fuel for use with a fuel cellHEWLETT PACKARD DEVELOPMENT CO·Filed 2003·Granted Oct 31, 2006·33 cites·13 claims
- 1388US6602335B2Pigment solubilization via treatment with strong base and substitutionHEWLETT PACKARD DEVELOPMENT CO·Filed 2001·Granted Aug 5, 2003·22 cites·24 claims
- 1486US9458329B1Corrosion protection by coatings that include organic additivesUS NAVY·Filed 2014·Granted Oct 4, 2016·3 cites·28 claims
- 1586US5891232ASmearfastness and fast drying times in inks containing macromolecular chromophoresHEWLETT PACKARD CO·Filed 1997·Granted Apr 6, 1999·49 cites·18 claims
- 1684US10711154B1Curing agents for hydrophobic epoxy compositionsUS NAVY·Filed 2018·Granted Jul 14, 2020·1 cites·14 claims
- 1784US5985016APurification of macromolecular chromophores (MMCs) using membrane processes for ink-jet inksHEWLETT PACKARD CO·Filed 1997·Granted Nov 16, 1999·48 cites·21 claims
- 1880US5954818AMethod of programming, erasing, and reading block lock-bits and a master lock-bit in a flash memory deviceINTEL CORP·Filed 1997·Granted Sep 21, 1999·45 cites·16 claims
- 1977US7435291B2Amine- and phthalocyanine dye-containing ink-jet inks with improved ozone fastnessHEWLETT PACKARD DEVELOPMENT CO·Filed 2005·Granted Oct 14, 2008·3 cites·38 claims
- 2076US6468340B1Laked dye solubilization with complexing agentHEWLETT PACKARD CO·Filed 2000·Granted Oct 22, 2002·9 cites·15 claims
- 2176US5853465ABlack-to-color bleed alleviation using non-specific ionic, pH, and colloidal effectsHEWLETT PACKARD CO·Filed 1997·Granted Dec 29, 1998·37 cites·16 claims
- 2274US6034153AMediation of waterfastness in ink-jet ink compositions by using partial chemically-treated macromolecular chromophores (MMCS)HEWLETT PACKARD CO·Filed 1998·Granted Mar 7, 2000·25 cites·8 claims
- 2374US5830265ACounterion substitution in macromolecular chromophore (MMC) for ink-jet printing including textile, large format and office format printersHEWLETT PACKARD CO·Filed 1996·Granted Nov 3, 1998·32 cites·20 claims
- 2474US5788753APolyamines complexed to anionic dyes, thereby forming water-soluble cationic dyesHEWLETT PACKARD CO·Filed 1996·Granted Aug 4, 1998·16 cites·23 claims
- 2572US5749952APreparation of microemulsion and micellar color inks from modified water-soluble color chromaphores for thermal ink-jet printingHEWLETT PACKARD CO·Filed 1996·Granted May 12, 1998·29 cites·24 claims
- 2668US5886065AMediation of waterfastness in ink-jet ink compositions by using partial chemically-treated macromolecular chromophores (MMCs)HEWLETT PACKARD CO·Filed 1997·Granted Mar 23, 1999·22 cites·19 claims
- 2767US6982128B2Co-catalyst proton exchange membrane fuel cell utilizing borohydride fuelsHEWLETT PACKARD DEVELOPMENT CO·Filed 2002·Granted Jan 3, 2006·7 cites·30 claims
- 2867US6786957B2Aqueous ink-jet inks for printing on commercial offset coated mediaHEWLETT PACKARD DEVELOPMENT CO·Filed 2002·Granted Sep 7, 2004·7 cites·24 claims
- 2967US6073243ABlock locking and passcode scheme for flash memoryINTEL CORP·Filed 1997·Granted Jun 6, 2000·52 cites·13 claims
- 3065US7241527B2Method and apparatus for facilitating a chemical reactionHEWLETT PACKARD DEVELOPMENT CO·Filed 2002·Granted Jul 10, 2007·5 cites·26 claims
- 3160US9669599B1Galvanic-corrosion-resistant composite material having a self-extingushing barrier layerUS GOV SEC NAVY·Filed 2015·Granted Jun 6, 2017·1 cites·20 claims
- 3260US6035401ABlock locking apparatus for flash memoryINTEL CORP·Filed 1997·Granted Mar 7, 2000·32 cites·18 claims
- 3357US7291418B2Methods and systems for elevating a temperature within a fuel cellHEWLETT PACKARD DEVELOPMENT CO·Filed 2003·Granted Nov 6, 2007·2 cites·9 claims
- 3454US7829608B2Polymeric additives to improve print quality and permanence attributes in ink-jet inksHEWLETT PACKARD DEVELOPMENT CO·Filed 2008·Granted Nov 9, 2010·0 cites·18 claims
- 3553USRE42551EBlock locking apparatus for flash memoryDALVI VISHRAM PRAKASH·Filed 2002·Granted Jul 12, 2011·5 cites·18 claims
- 3648US7446134B2Polymeric additives to improve print quality and permanence attributes in ink-jet inksHEWLETT PACKARD DEVELOPMENT CO·Filed 2004·Granted Nov 4, 2008·2 cites·22 claims
- 3747US5559717AHigh precision voltage detector utilizing flash EEPROM memory cellsINTEL CORP·Filed 1994·Granted Sep 24, 1996·11 cites·9 claims
- 3842US2007095250A1Ink Compositions and Methods for Improving Neutrality, Hue Angle and/or Media IndependenceUHLIR-TSANG LINDA C·Filed 2006·Application pending·0 cites
- 3941US2003194369A1Gas generation systemFiled 2002·Application pending·0 cites
- 4041US2003194368A1Hydrogen production systemFiled 2002·Application pending·0 cites
- 4140US2003138679A1Fuel cartridge and reaction chamberFiled 2002·Application pending·0 cites
- 4240US2007098927A1Ink compositions and methods for controlling color on a print mediumUHLIR-TSANG LINDA C·Filed 2005·Application pending·0 cites
- 4339US6177485B1Polymers derived from unsaturated surfactants for use in ink-jet inksHEWLETT PACKARD CO·Filed 1999·Granted Jan 23, 2001·6 cites·35 claims
- 4437US2002156153A1Polymeric additives to improve print quality and permanence attributes in ink-jet inksFiled 2001·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Joseph W. Tsang files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →