Inventor
MURAI YASUAKI
JP51 patents
⚠️ This page may combine multiple inventors who share the name “MURAI YASUAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
43 patentsUS8377616B2Feb 19, 2013
AZO compound, and pigment dispersant, pigment composition, pigment dispersion and toner including the azo compound
CANON KK57 citations98
US7833685B2Nov 16, 2010
Coloring compound and yellow toner containing the coloring compound
CANON KK60 citations98
US9829814B2Nov 28, 2017
Toner
CANON KK33 citations94
US8815484B2Aug 26, 2014
Toner including compound having bisazo skeleton
CANON KK52 citations94
US9715187B2Jul 25, 2017
Method of producing a compound having a colorant structure, and toner containing a compound obtained by the production method
CANON KK23 citations93
US9556290B2Jan 31, 2017
Method for producing compound having colorant structure at main chain terminal of polymer, and pigment dispersant, pigment composition, pigment dispersion and toner containing compound obtained by the production method
CANON KK22 citations93
US7288357B2Oct 30, 2007
Cyan toner and method of producing cyan toner
CANON KK31 citations93
US7264910B2Sep 4, 2007
Cyan toner and method of producing cyan toner
CANON KK35 citations93
US7504488B2Mar 17, 2009
Dye, dye production method and ink containing dye
CANON KK20 citations92
US7141342B2Nov 28, 2006
Magenta toner and process for producing magenta toner
CANON KK40 citations92
US7083667B2Aug 1, 2006
Colorant compound, ink, ink tank, recording unit, recording apparatus and recording process
CANON KK19 citations92
US10216107B2Feb 26, 2019
Toner and method of producing toner
CANON KK15 citations86
US10948839B2Mar 16, 2021
Toner having a toner particle with a binder resin containing a copolymer of a styrenic polymerizable monomer, and at least one of an acrylic or methacrylic polymerizable monomer
CANON KK7 citations84
US8343269B2Jan 1, 2013
Colorant compound
CANON KK17 citations83
US11086242B2Aug 10, 2021
Toner and method for producing toner
CANON KK6 citations73
US8936894B2Jan 20, 2015
Magenta toner containing compound having AZO skeleton
CANON KK4 citations73
US9618867B2Apr 11, 2017
Pigment dispersion and toner
CANON KK3 citations72
US7407540B2Aug 5, 2008
Coloring liquid, ink tank, recording unit, recording apparatus and recording method
CANON KK6 citations72
US9505723B2Nov 29, 2016
Compound, dispersant and toner
CANON KK4 citations71
US8962726B2Feb 24, 2015
Compound having bisazo skeleton, pigment dispersant containing the compound, pigment composition, pigment dispersion, ink and resist composition for color filter
CANON KK3 citations63
US8916318B2Dec 23, 2014
Black toner containing compound having azo skeleton
CANON KK3 citations63
US7598012B2Oct 6, 2009
Coloring compound and recording material using the same
CANON KK4 citations63
US8927187B2Jan 6, 2015
Cyan toner containing compound having azo skeleton
CANON KK3 citations62
US7834213B2Nov 16, 2010
Colorant compound and method of manufacturing the same as well as blue resist composition for use in color filter containing the same
CANON KK2 citations62
US7303615B2Dec 4, 2007
Colorant material, and water dispersion, ink, ink tank, recording unit, recording apparatus and recording method using the same
CANON KK4 citations61
US11702556B2Jul 18, 2023
Aqueous ink, ink cartridge and ink jet recording method
CANON KK0 citations59
US9298118B2Mar 29, 2016
Azo compound, pigment dispersant containing the azo compound, pigment composition, pigment dispersion and toner
CANON KK1 citations52
US9249308B2Feb 2, 2016
Compound having bisazo dye skeleton, pigment composition containing the same, pigment dispersion, ink, and color filter resist composition
CANON KK0 citations52
US7985288B2Jul 26, 2011
Colorant compound and ink including the colorant compound
CANON KK1 citations52
US7981207B2Jul 19, 2011
Dye compound and ink containing dye compound
CANON KK0 citations52
US7981205B2Jul 19, 2011
Dye compound and ink containing dye compound
CANON KK0 citations52
US9593243B2Mar 14, 2017
Compound, pigment dispersing agent, pigment composition, pigment dispersion and toner containing said compound
CANON KK1 citations51
US7973197B2Jul 5, 2011
Colorant compound and blue resist composition for use in color filter containing the same
CANON KK0 citations51
US12215240B2Feb 4, 2025
Aqueous ink, ink cartridge and ink jet recording method
CANON KK0 citations49
US9176407B2Nov 3, 2015
Toner and method for manufacturing toner particles
CANON KK0 citations42
US10087328B2Oct 2, 2018
Compound having azo skeleton, pigment dispersant, pigment composition, pigment dispersion, and toner
CANON KK0 citations41
US9926450B2Mar 27, 2018
Compound having azo skeleton structure, pigment-dispersing agent, pigment composition, pigment dispersion, and toner
CANON KK0 citations41
US9834683B2Dec 5, 2017
Compound having azo skeleton structure, pigment dispersant, pigment composition, pigment dispersion, and toner
CANON KK0 citations41
US9777087B2Oct 3, 2017
Polymer including phthalocyanine structure, method for producing the polymer, pigment composition, pigment dispersion, and toner
CANON KK0 citations41
US9625845B2Apr 18, 2017
Compound having azo skeleton structure, pigment-dispersing agent, pigment composition, pigment dispersion, and toner
CANON KK0 citations41
US9470995B2Oct 18, 2016
Compound having azo skeleton and pigment dispersant, pigment composition, pigment dispersion, and toner containing the compound
CANON KK0 citations41
US9410038B2Aug 9, 2016
Compound, ink, ink cartridge and ink jet recording method
CANON KK0 citations41
US8367288B2Feb 5, 2013
Yellow toner
CANON KK0 citations41
MURAI YASUAKI
3 patentsUS8211606B2Jul 3, 2012
Coloring compound, yellow toner, sheet for heat-sensitive transfer recording, and ink
MURAI YASUAKI41 citations93
US9170514B2Oct 27, 2015
Polymerizable monomer, polymeric compound, charge control agent containing the polymeric compound, and developer bearing member and toner which contain the charge control agent
MURAI YASUAKI2 citations61
US9097999B2Aug 4, 2015
Polyester, pigment composition, and toner
MURAI YASUAKI3 citations61
TANAKA MASATAKE
2 patentsKAWAMURA MASASHI
1 patentINOUE KEI
1 patentShowing the top 50 of 51 patents by PatentIndex Score.