Inventor
OOISHI KOICHI
JP8 patents
Patents
8 patentsUS11493878B2Nov 8, 2022
Cartridge including photosensitive drum and developing roller that can be easily separated
CANON KK2 citations72
US11188021B2Nov 30, 2021
Cartridge including an image bearing member and developer bearing member that can be easily separated
CANON KK4 citations72
US11372348B2Jun 28, 2022
Developing device, cartridge, image forming apparatus
CANON KK4 citations71
US10928751B2Feb 23, 2021
Remanufacturing method for developing apparatus and cartridge
CANON KK3 citations71
US12298703B2May 13, 2025
Cartridge including photosensitive drum and developing roller that can be easily separated
CANON KK0 citations62
US12045004B2Jul 23, 2024
Cartridge including photosensitive drum and developing roller that can be easily separated
CANON KK0 citations62
US11789401B2Oct 17, 2023
Cartridge including photosensitive drum and developing roller that can be easily separated
CANON KK0 citations62
US11835888B2Dec 5, 2023
Developing device, cartridge, image forming apparatus
CANON KK0 citations61