Inventor
YAZAWA KENICHI
JP5 patents
Patents
5 patentsUS9910379B2Mar 6, 2018
Charging member with concave portions containing insulating particles and electrophotographic apparatus
CANON KK20 citations93
US9904199B2Feb 27, 2018
Charging member having outer surface with concave portions bearing exposed elastic particles, and electrophotographic apparatus
CANON KK21 citations93
US10146149B2Dec 4, 2018
Charging member, electrophotographic process cartridge, and electrophotographic image forming apparatus
CANON KK19 citations85
US11644761B2May 9, 2023
Electrophotographic roller, process cartridge and electrophotographic image forming apparatus
CANON KK4 citations71
US11835878B2Dec 5, 2023
Electrophotographic roller, process cartridge and electrophotographic image forming apparatus
CANON KK2 citations69