Inventor
SEKI MASANORI
JP33 patents
⚠️ This page may combine multiple inventors who share the name “SEKI MASANORI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
19 patentsUS9715187B2Jul 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
US9229345B2Jan 5, 2016
Toner
CANON KK40 citations93
US8936894B2Jan 20, 2015
Magenta toner containing compound having AZO skeleton
CANON KK4 citations73
US9618867B2Apr 11, 2017
Pigment dispersion and toner
CANON KK3 citations72
US12485414B2Dec 2, 2025
Microchannel device
CANON KK0 citations62
US11970390B2Apr 30, 2024
Method for producing microchannel device
CANON KK0 citations62
US8927187B2Jan 6, 2015
Cyan toner containing compound having azo skeleton
CANON KK3 citations62
US12140549B2Nov 12, 2024
Polymer dye for detecting hydrogen peroxide and structure for detecting hydrogen peroxide
CANON KK0 citations61
US10358567B2Jul 23, 2019
Compound, ink, ink cartridge and ink jet recording method
CANON KK1 citations61
US9298118B2Mar 29, 2016
Azo compound, pigment dispersant containing the azo compound, pigment composition, pigment dispersion and toner
CANON KK1 citations52
US11958978B2Apr 16, 2024
Coloring compound and thermal transfer recording sheet
CANON KK0 citations51
US9593243B2Mar 14, 2017
Compound, pigment dispersing agent, pigment composition, pigment dispersion and toner containing said compound
CANON KK1 citations51
US10577481B2Mar 3, 2020
Polymer
CANON KK0 citations50
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
MITSUBISHI ELECTRIC CORP
4 patentsUSD1106635SDec 16, 2025
Carrier for a conveyor system
MITSUBISHI ELECTRIC CORP0 citations59
USD1105693SDec 9, 2025
Carrier for a conveyor system
MITSUBISHI ELECTRIC CORP0 citations59
USD1105694SDec 9, 2025
Motor module for a conveyor system
MITSUBISHI ELECTRIC CORP0 citations59
USD1105697SDec 9, 2025
Motor module for a conveyor system
MITSUBISHI ELECTRIC CORP0 citations59