Inventor
MA ZEYING
US38 patents
⚠️ This page may combine multiple inventors who share the name “MA ZEYING”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HEWLETT PACKARD DEVELOPMENT CO
23 patentsUS6997979B2Feb 14, 2006
Pigment-based inks for ink-jet printing
HEWLETT PACKARD DEVELOPMENT CO64 citations98
US7129284B2Oct 31, 2006
Fluorosurfactant packages for use in inkjet printing and methods of controlling puddling in inkjet pens
HEWLETT PACKARD DEVELOPMENT CO28 citations93
US7655707B2Feb 2, 2010
Pigmented ink-jet inks with improved image quality on glossy media
HEWLETT PACKARD DEVELOPMENT CO46 citations92
US7217315B2May 15, 2007
Pigment-based inks for ink-jet printing
HEWLETT PACKARD DEVELOPMENT CO19 citations92
US7204873B2Apr 17, 2007
Pigment-based inks for ink-jet printing
HEWLETT PACKARD DEVELOPMENT CO20 citations92
US7157504B2Jan 2, 2007
Ink-jet printing methods and systems providing improved image durability
HEWLETT PACKARD DEVELOPMENT CO24 citations92
US6779884B1Aug 24, 2004
Ink-jet printing methods and systems providing dry rub resistance
HEWLETT PACKARD DEVELOPMENT CO50 citations92
US6630017B2Oct 7, 2003
Inkset for graphic art ink jet image printers
HEWLETT PACKARD DEVELOPMENT CO28 citations92
US7563842B2Jul 21, 2009
Ink formulations, modified pigment-based ink formulations and methods of making
HEWLETT PACKARD DEVELOPMENT CO8 citations84
US8343268B2Jan 1, 2013
Inks with improved performance
HEWLETT PACKARD DEVELOPMENT CO7 citations80
US8669536B2Mar 11, 2014
Methods and systems for identifying ink
HEWLETT PACKARD DEVELOPMENT CO6 citations76
US7812067B2Oct 12, 2010
Binders for pigmented ink formulations
HEWLETT PACKARD DEVELOPMENT CO6 citations74
US7294186B2Nov 13, 2007
Pigment-based inks for ink-jet printing
HEWLETT PACKARD DEVELOPMENT CO7 citations74
US7297454B2Nov 20, 2007
Colorless inkjet ink compositions for improved image quality
HEWLETT PACKARD DEVELOPMENT CO7 citations73
US8052268B2Nov 8, 2011
Ink set and method for making the same
HEWLETT PACKARD DEVELOPMENT CO6 citations63
US7997714B2Aug 16, 2011
Matting liquid for ink-jet printing
HEWLETT PACKARD DEVELOPMENT CO3 citations63
US7922800B2Apr 12, 2011
Ink set, ink system and method for printing an image
HEWLETT PACKARD DEVELOPMENT CO6 citations63
US7838574B2Nov 23, 2010
Dispersed pigments
HEWLETT PACKARD DEVELOPMENT CO4 citations63
US7678186B2Mar 16, 2010
Pigment-based inks for ink-jet printing
HEWLETT PACKARD DEVELOPMENT CO2 citations63
US7478903B2Jan 20, 2009
Ink set for inkjet printing, inkjet printer including the ink set, and method of inkjet printing using the ink set
HEWLETT PACKARD DEVELOPMENT CO6 citations63
US7728062B2Jun 1, 2010
Ink formulations, modified pigment-based ink formulations and methods of making
HEWLETT PACKARD DEVELOPMENT CO2 citations62
US7741383B2Jun 22, 2010
Versatile pigmented ink-jet inks with improved image quality
HEWLETT PACKARD DEVELOPMENT CO1 citations51
US8011775B2Sep 6, 2011
Ink set, ink system and method for printing an image
HEWLETT PACKARD DEVELOPMENT CO0 citations41
HEWLETT PACKARD CO
5 patentsUS6022908AFeb 8, 2000
Printing liquids for improved print quality
HEWLETT PACKARD CO71 citations96
US6432523B1Aug 13, 2002
Light fastness of inkjet images by adding salts into inkjet inks and print media
HEWLETT PACKARD CO14 citations92
US6423375B1Jul 23, 2002
Light fastness of inkjet images by adding salts into inkjet media
HEWLETT PACKARD CO14 citations92
US6247808B1Jun 19, 2001
Ink-jet printing system for improved print quality
HEWLETT PACKARD CO49 citations92
US6436180B1Aug 20, 2002
Color ink composition for graphic art ink jet image printers
HEWLETT PACKARD CO49 citations89