Inventor
NGUYEN KHE C
US30 patents
⚠️ This page may combine multiple inventors who share the name “NGUYEN KHE C”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HEWLETT PACKARD CO
24 patentsUS6057384AMay 2, 2000
Latex polymer blends for improving the permanence of ink-jet inks
HEWLETT PACKARD CO171 citations99
US6417249B1Jul 9, 2002
Ink-jet printing ink compositions having superior smear-fastness
HEWLETT PACKARD CO112 citations98
US5990202ANov 23, 1999
Dual encapsulation technique for preparing ink-jets inks
HEWLETT PACKARD CO137 citations98
US6248805B1Jun 19, 2001
Ink-jet printing ink compositions having magnetic properties and specific core/shell binder
HEWLETT PACKARD CO81 citations96
US6508872B2Jan 21, 2003
Lightfast additive molecule for inkjet ink
HEWLETT PACKARD CO26 citations93
US6248161B1Jun 19, 2001
Preparation of permanent color inks from water-soluble colorants using specific phosphonium salts
HEWLETT PACKARD CO37 citations92
US5666615ASep 9, 1997
Minimal liquid carrier transfer in an image formation process
HEWLETT PACKARD CO32 citations92
US5320923AJun 14, 1994
Reusable, positive-charging organic photoconductor containing phthalocyanine pigment, hydroxy binder and silicon stabilizer
HEWLETT PACKARD CO28 citations92
US6027844AFeb 22, 2000
Polymeric binders having saturated ring for improved performance of single layer positive organic photoconductor
HEWLETT PACKARD CO9 citations74
US5858592AJan 12, 1999
Terpolymers useful as charge injection barrier materials for photoreceptor
HEWLETT PACKARD CO9 citations74
US5821019AOct 13, 1998
Composite organic photoconductor having particulate charge transport layer
HEWLETT PACKARD CO13 citations74
US5750300AMay 12, 1998
Photoconductor comprising a complex between metal oxide phthalocyanine compounds and hydroxy compounds
HEWLETT PACKARD CO10 citations74
US5608507AMar 4, 1997
Direct transfer of liquid toner image from photoconductor drum to image receiver
HEWLETT PACKARD CO9 citations74
US5558965ASep 24, 1996
Diiminoquinilidines as electron transport agents in electrophotographic elements
HEWLETT PACKARD CO15 citations74
US5556730ASep 17, 1996
Charge injection barrier for positive charging organic photoconductor
HEWLETT PACKARD CO6 citations74
US5529869AJun 25, 1996
Reusable positive-charging organic photoconductor containing phthalocyanine pigment and cross-linking binder
HEWLETT PACKARD CO14 citations74
US5516610AMay 14, 1996
Reusable inverse composite dual-layer organic photoconductor using specific polymers
HEWLETT PACKARD CO12 citations74
US5506082AApr 9, 1996
Cross-linked polyvinyl butyral binder for organic photoconductor
HEWLETT PACKARD CO5 citations74
US5476604ADec 19, 1995
Charge injection barrier for positive charging organic photoconductor
HEWLETT PACKARD CO8 citations74
US5364727ANov 15, 1994
Positive-charging organic photoconductor for liquid electrophotography
HEWLETT PACKARD CO8 citations74
US5518853AMay 21, 1996
Diffusion coating process of making inverse composite dual-layer organic photoconductor
HEWLETT PACKARD CO10 citations69
US6465142B1Oct 15, 2002
Low-temperature cure polyvinylbutyral as a photoconducter binder
HEWLETT PACKARD CO2 citations63
US5972552AOct 26, 1999
Photoconductor comprising a complex between metal oxide phthalocyanine compounds and hydroxy or amine compounds
HEWLETT PACKARD CO3 citations63
US5631114AMay 20, 1997
Derivatives of diiminoquinones useful as electron transport agents in electrophotographic elements
HEWLETT PACKARD CO4 citations63
EASTMAN KODAK CO
5 patentsUS5019473AMay 28, 1991
Electrophotographic recording elements containing photoconductive perylene pigments
EASTMAN KODAK CO65 citations96
US5141837AAug 25, 1992
Method for preparing coating compositions containing photoconductive perylene pigments
EASTMAN KODAK CO49 citations92
US4968571ANov 6, 1990
Electrophotographic recording elements containing a combination of photoconductive perylene materials
EASTMAN KODAK CO50 citations92
US5112711AMay 12, 1992
Electrophotographic recording elements containing a combination of titanyl phthalocyanine-type pigments
EASTMAN KODAK CO33 citations91
US5055368AOct 8, 1991
Electrophotographic recording elements containing titanyl phthalocyanine pigments and their preparation
EASTMAN KODAK CO30 citations91