Inventor · disambiguated record
David J. Halko
Also filed as: HALKO DAVID J
8 granted patents·385 citations·filing 1989–2005
90Inventor score
Files withHEWLETT PACKARD CO8
Top patents by PatentIndex Score
8 records- 0195US5062892AInk additives for improved ink-jet performanceHEWLETT PACKARD CO·Filed 1989·Granted Nov 5, 1991·83 cites·26 claims
- 0291US6221142B1Superior waterfastness and bleed control with specifically treated pigments for ink-jet printingHEWLETT PACKARD CO·Filed 1999·Granted Apr 24, 2001·76 cites·20 claims
- 0389US5062893AInk formulations by mixing anionic waterfast dyes containing two or more carboxyl groupsHEWLETT PACKARD CO·Filed 1990·Granted Nov 5, 1991·65 cites·24 claims
- 0488US5363130AMethod of valving and orientation sensitive valve including a liquid for controlling flow of gas into a containerHEWLETT PACKARD CO·Filed 1991·Granted Nov 8, 1994·61 cites·18 claims
- 0581US5598193ATreatment of an orifice plate with self-assembled monolayersHEWLETT PACKARD CO·Filed 1995·Granted Jan 28, 1997·44 cites·26 claims
- 0679US6102521ATreatment of an orifice plate with self-assembled monolayersHEWLETT PACKARD CO·Filed 1997·Granted Aug 15, 2000·40 cites·12 claims
- 0774US5788753APolyamines complexed to anionic dyes, thereby forming water-soluble cationic dyesHEWLETT PACKARD CO·Filed 1996·Granted Aug 4, 1998·16 cites·23 claims
- 0855USRE39700EInk additives for improved ink-jet performanceHEWLETT PACKARD CO·Filed 2005·Granted Jun 26, 2007·0 cites·27 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →