Inventor
WANG RUIZHENG
US24 patents
⚠️ This page may combine multiple inventors who share the name “WANG RUIZHENG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
EASTMAN KODAK CO
10 patentsUS6706460B1Mar 16, 2004
Stable IR dye composition for invisible marking
EASTMAN KODAK CO31 citations92
US6623908B2Sep 23, 2003
Thermal imaging composition and imaging member containing polymethine IR dye and methods of imaging and printing
EASTMAN KODAK CO22 citations92
US7762647B2Jul 27, 2010
MEMS printhead based compressed fluid printing system
EASTMAN KODAK CO14 citations84
US6689518B1Feb 10, 2004
Photographic display elements comprising stable IR dye compositions for invisible marking
EASTMAN KODAK CO8 citations73
US6869909B2Mar 22, 2005
Yellow images with improved light stability and yellow dyes useful therein
EASTMAN KODAK CO2 citations62
US6703111B2Mar 9, 2004
Laser thermal imaging process, dye, and element
EASTMAN KODAK CO2 citations62
US6864216B2Mar 8, 2005
Thermal magenta donor and dyes
EASTMAN KODAK CO0 citations51
US6841514B2Jan 11, 2005
Thermal transfer imaging element containing infrared bichromophoric colorant
EASTMAN KODAK CO1 citations51
US6831163B2Dec 14, 2004
Bichromophoric molecules
EASTMAN KODAK CO0 citations51
US7241719B2Jul 10, 2007
Thermal yellow donor and dyes
EASTMAN KODAK CO0 citations41
CHROMATIC TECH INC
9 patentsUS10345278B2Jul 9, 2019
High pressure processing pressure sensor
CHROMATIC TECH INC5 citations72
US9399716B2Jul 26, 2016
Yellow thermochromic dyes, inks composition and level indicators
CHROMATIC TECH INC4 citations71
US12359083B2Jul 15, 2025
Ultraviolet light stable color-changing systems
CHROMATIC TECH INC0 citations62
US11236247B2Feb 1, 2022
Ultraviolet light stable color-changing systems
CHROMATIC TECH INC1 citations62
US10605681B2Mar 31, 2020
High pressure processing pressure sensor
CHROMATIC TECH INC1 citations61
US10585080B2Mar 10, 2020
High pressure processing pressure sensor
CHROMATIC TECH INC1 citations61
US9745487B2Aug 29, 2017
Yellow thermochromic dyes, inks composition and level indicators
CHROMATIC TECH INC1 citations50
US12078550B2Sep 3, 2024
Thermochromic temperature sensor
CHROMATIC TECH INC0 citations49
US9580603B2Feb 28, 2017
Red thermochromic dyes and their ink compositions
CHROMATIC TECH INC0 citations34