Inventor
ZENG HUANZHAO
US18 patents
⚠️ This page may combine multiple inventors who share the name “ZENG HUANZHAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HEWLETT PACKARD DEVELOPMENT CO
10 patentsUS7403205B2Jul 22, 2008
Fast primary mapping and gamut adaptation to construct three dimensional lookup tables
HEWLETT PACKARD DEVELOPMENT CO24 citations92
US7046393B2May 16, 2006
Color space transformation with black preservation for open color management
HEWLETT PACKARD DEVELOPMENT CO21 citations92
US7054035B2May 30, 2006
Method and system for management of color through conversion between color spaces
HEWLETT PACKARD DEVELOPMENT CO14 citations83
US6705703B2Mar 16, 2004
Determination of control points for construction of first color space-to-second color space look-up table
HEWLETT PACKARD DEVELOPMENT CO17 citations83
US7612915B2Nov 3, 2009
Determining composite grays
HEWLETT PACKARD DEVELOPMENT CO8 citations82
US7190827B2Mar 13, 2007
Color space conversion using interpolation
HEWLETT PACKARD DEVELOPMENT CO10 citations82
US6952493B2Oct 4, 2005
System and method for gamut mapping using a composite color space
HEWLETT PACKARD DEVELOPMENT CO7 citations73
US7352893B2Apr 1, 2008
Representing extended color gamut information
HEWLETT PACKARD DEVELOPMENT CO5 citations62
US7304766B2Dec 4, 2007
Method and apparatus for data adjustment
HEWLETT PACKARD DEVELOPMENT CO5 citations62
US7446901B2Nov 4, 2008
Conforming output intensities of pens
HEWLETT PACKARD DEVELOPMENT CO0 citations51
QUALCOMM INC
3 patentsUS9129547B2Sep 8, 2015
Spectral color reproduction using a high-dimension reflective display
QUALCOMM INC4 citations72
US9041980B2May 26, 2015
Subdividing color space for fast vector error diffusion
QUALCOMM INC0 citations42
US9105226B2Aug 11, 2015
Spatio-temporal error diffusion for imaging devices
QUALCOMM INC0 citations40