Inventor
UTSUNO FUMIHIKO
JP5 patents
Patents
5 patentsUS10303079B2May 28, 2019
Electrophotographic member, process cartridge and electrophotographic apparatus
CANON KK11 citations83
US11112718B2Sep 7, 2021
Electrophotographic member, process cartridge, and electrophotographic apparatus
CANON KK7 citations82
US10942471B2Mar 9, 2021
Electrophotographic member having a surface layer with a cross-linked urethane resin-containing matrix, process cartridge, and apparatus
CANON KK8 citations82
US10831127B2Nov 10, 2020
Developing member, electrophotographic process cartridge, and electrophotographic image forming apparatus
CANON KK4 citations72
US10831126B2Nov 10, 2020
Developing roller having crown-shaped electro-conductive layer with outer surface providing electrically insulating first regions adjacent to second regions having higher conductivity
CANON KK4 citations71