Inventor
KURACHI MASAHIRO
JP25 patents
⚠️ This page may combine multiple inventors who share the name “KURACHI MASAHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
22 patentsUS7799398B2Sep 21, 2010
Developing member and electrophotographic image forming apparatus
CANON KK57 citations98
US10678158B2Jun 9, 2020
Electro-conductive member for electrophotography, process cartridge, and electrophotographic image forming apparatus
CANON KK24 citations94
US10678154B2Jun 9, 2020
Electrophotographic electroconductive member, process cartridge, and electrophotographic image forming apparatus
CANON KK24 citations94
US9556359B2Jan 31, 2017
Method of producing member for electrophotography
CANON KK24 citations93
US11347156B2May 31, 2022
Electro-conductive member for electrophotography, process cartridge for electrophotography, and electrophotographic image forming apparatus
CANON KK8 citations86
US10845724B2Nov 24, 2020
Electro-conductive member, process cartridge and image forming apparatus
CANON KK11 citations86
US11175602B2Nov 16, 2021
Electroconductive member, process cartridge, and electrophotographic image forming apparatus
CANON KK10 citations85
US11169454B2Nov 9, 2021
Electrophotographic electro-conductive member, process cartridge, and electrophotographic image forming apparatus
CANON KK11 citations85
US11061342B2Jul 13, 2021
Electrophotographic apparatus, process cartridge and cartridge set
CANON KK9 citations85
US11640122B2May 2, 2023
Electroconductive member, process cartridge, and image forming apparatus
CANON KK3 citations73
US11385559B2Jul 12, 2022
Electroconductive member, process cartridge, and image forming apparatus
CANON KK3 citations73
US11360426B2Jun 14, 2022
Electrophotographic apparatus, process cartridge, and cartridge set
CANON KK3 citations73
US11971683B2Apr 30, 2024
Electrophotographic electro-conductive member, process cartridge, and electrophotographic image forming apparatus
CANON KK2 citations72
US11397388B2Jul 26, 2022
Process for producing an electrophotographic electroconductive member
CANON KK3 citations72
US11360405B2Jun 14, 2022
Electrophotographic apparatus, process cartridge and cartridge set
CANON KK5 citations72
US12339597B2Jun 24, 2025
Electro-conductive member, process cartridge, and electrophotographic image forming apparatus
CANON KK0 citations62
US9098010B2Aug 4, 2015
Development device, process cartridge, and image forming apparatus
CANON KK2 citations62
US11448982B2Sep 20, 2022
Electrophotographic apparatus, process cartridge, and cartridge set
CANON KK0 citations52
US12529977B2Jan 20, 2026
Image forming apparatus and process cartridge
CANON KK0 citations51
US11474442B2Oct 18, 2022
Electrophotographic apparatus, process cartridge, and cartridge set
CANON KK0 citations51
US11449000B2Sep 20, 2022
Electrophotographic apparatus, process cartridge, and cartridge set
CANON KK0 citations51
US9081321B2Jul 14, 2015
Charging member and electrophotographic apparatus
CANON KK1 citations51