Inventor
UNO MASASHI
JP9 patents
⚠️ This page may combine multiple inventors who share the name “UNO MASASHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
8 patentsUS8655238B2Feb 18, 2014
Developing member
CANON KK23 citations92
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
US10895824B2Jan 19, 2021
Developing roller, process cartridge and electrophotographic image forming apparatus
CANON KK2 citations71
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
US10895823B2Jan 19, 2021
Developing roller, process cartridge and electrophotographic image forming apparatus
CANON KK0 citations61
US12547088B2Feb 10, 2026
Electrophotographic member and method of producing the member, process cartridge, and electrophotographic image forming apparatus
CANON KK0 citations50
US12510839B2Dec 30, 2025
Process cartridge and process cartridge set
CANON KK0 citations50