Inventor
KAWAMURA MASASHI
JP41 patents
⚠️ This page may combine multiple inventors who share the name “KAWAMURA MASASHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
28 patentsUS8377616B2Feb 19, 2013
AZO compound, and pigment dispersant, pigment composition, pigment dispersion and toner including the azo compound
CANON KK57 citations98
US9921501B2Mar 20, 2018
Toner and process for producing toner
CANON KK45 citations94
US9857711B2Jan 2, 2018
Toner
CANON KK34 citations94
US9829814B2Nov 28, 2017
Toner
CANON KK33 citations94
US8940467B2Jan 27, 2015
Toner
CANON KK52 citations94
US8916319B2Dec 23, 2014
Toner
CANON KK56 citations94
US8815484B2Aug 26, 2014
Toner including compound having bisazo skeleton
CANON KK52 citations94
US10054866B2Aug 21, 2018
Toner
CANON KK30 citations91
US11249412B2Feb 15, 2022
Toner
CANON KK10 citations85
US11181845B2Nov 23, 2021
Toner
CANON KK13 citations85
US8936894B2Jan 20, 2015
Magenta toner containing compound having AZO skeleton
CANON KK4 citations73
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
US12346064B2Jul 1, 2025
Toner
CANON KK0 citations62
US11714363B2Aug 1, 2023
Toner
CANON KK1 citations62
US11274179B2Mar 15, 2022
Method for producing compound having amide bond and also having alkoxysilyl group
CANON KK0 citations62
US8927187B2Jan 6, 2015
Cyan toner containing compound having azo skeleton
CANON KK3 citations62
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
US12449742B2Oct 21, 2025
Toner and method for manufacturing toner
CANON KK0 citations51
US9593243B2Mar 14, 2017
Compound, pigment dispersing agent, pigment composition, pigment dispersion and toner containing said compound
CANON KK1 citations51
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
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
US8367288B2Feb 5, 2013
Yellow toner
CANON KK0 citations41
WHAT WATCH AG
4 patentsUSD787547SMay 23, 2017
Display screen or portion thereof with animated graphical user interface
WHAT WATCH AG896 citations96
USD787548SMay 23, 2017
Display screen or portion thereof with animated graphical user interface
WHAT WATCH AG20 citations90
USD773319SDec 6, 2016
Electronic wristwatch
WHAT WATCH AG13 citations82
USD771506SNov 15, 2016
Electronic wristwatch
WHAT WATCH AG6 citations82