Inventor · disambiguated record
C. S. Chan
Also filed as: CHAN C S
22 granted patents·1,800 citations·filing 1983–1997
97Inventor score
Files withHEWLETT PACKARD CO22
Top patents by PatentIndex Score
22 records- 0197US5016023ALarge expandable array thermal ink jet pen and method of manufacturing sameHEWLETT PACKARD CO·Filed 1989·Granted May 14, 1991·304 cites·17 claims
- 0296US4999652AInk supply apparatus for rapidly coupling and decoupling a remote ink source to a disposable ink jet penHEWLETT PACKARD CO·Filed 1989·Granted Mar 12, 1991·126 cites·5 claims
- 0396US4831389AOff board ink supply system and process for operating an ink jet printerHEWLETT PACKARD CO·Filed 1987·Granted May 16, 1989·158 cites·2 claims
- 0496US4812859AMulti-chamber ink jet recording head for color useHEWLETT PACKARD CO·Filed 1987·Granted Mar 14, 1989·172 cites·11 claims
- 0595US5107332AMethod and system for providing closed loop color control between a scanned color image and the output of a color printerHEWLETT PACKARD CO·Filed 1989·Granted Apr 21, 1992·155 cites·11 claims
- 0695US4791438ABalanced capillary ink jet pen for ink jet printing systemsHEWLETT PACKARD CO·Filed 1987·Granted Dec 13, 1988·103 cites·16 claims
- 0793US4716423ABarrier layer and orifice plate for thermal ink jet print head assembly and method of manufactureHEWLETT PACKARD CO·Filed 1986·Granted Dec 29, 1987·70 cites·7 claims
- 0892US4694308ABarrier layer and orifice plate for thermal ink jet printhead assemblyHEWLETT PACKARD CO·Filed 1986·Granted Sep 15, 1987·65 cites·17 claims
- 0992US4535343AThermal ink jet printhead with self-passivating elementsHEWLETT PACKARD CO·Filed 1983·Granted Aug 13, 1985·109 cites·11 claims
- 1091US5111302AMethod and system for enhancing the quality of both color and black and white images produced by ink jet and electrophotographic printersHEWLETT PACKARD CO·Filed 1990·Granted May 5, 1992·82 cites·26 claims
- 1189US5420675ALiquid toner fusing/transfer system with a film-forming roller that is absorbent of a low volatility liquid toner carrierHEWLETT PACKARD CO·Filed 1994·Granted May 30, 1995·39 cites·9 claims
- 1287US5031050AMethod and system for reproducing monochromatic and color images using ordered dither and error diffusionHEWLETT PACKARD CO·Filed 1990·Granted Jul 9, 1991·89 cites·25 claims
- 1386US4930018AMethod and system for enhancing the quality of both color and black and white images produced by ink jet printersHEWLETT PACKARD CO·Filed 1988·Granted May 29, 1990·69 cites·37 claims
- 1483US4829319APlastic orifice plate for an ink jet printhead and method of manufactureHEWLETT PACKARD CO·Filed 1987·Granted May 9, 1989·38 cites·24 claims
- 1582US4675083ACompound bore nozzle for ink jet printhead and method of manufactureHEWLETT PACKARD CO·Filed 1986·Granted Jun 23, 1987·36 cites·7 claims
- 1681US4791436ANozzle plate geometry for ink jet pens and method of manufactureHEWLETT PACKARD CO·Filed 1987·Granted Dec 13, 1988·29 cites·7 claims
- 1780US5113199AInk delivery system for ink jet printersHEWLETT PACKARD CO·Filed 1991·Granted May 12, 1992·40 cites·26 claims
- 1878US5121132AInk delivery system for printersHEWLETT PACKARD CO·Filed 1991·Granted Jun 9, 1992·39 cites·18 claims
- 1975US5140432AMethod and system for printing in one or more color planes with improved control of error diffusionHEWLETT PACKARD CO·Filed 1990·Granted Aug 18, 1992·39 cites·13 claims
- 2053US6057867ALaser printer with piezoelectric apparatus to reduce banding by adjustment of a scanned laser beamHEWLETT PACKARD CO·Filed 1997·Granted May 2, 2000·18 cites·20 claims
- 2148US5796422ADirect toner projection printing using an intermediate transfer mediumHEWLETT PACKARD CO·Filed 1995·Granted Aug 18, 1998·11 cites·9 claims
- 2246US6561628B1Toner projection systemHEWLETT PACKARD CO·Filed 1997·Granted May 13, 2003·9 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →