Inventor
OKAMURA TOSHIKI
JP3 patents
Patents
3 patentsUS9971298B2May 15, 2018
Image forming apparatus, process cartridge, developing cartridge, and drum cartridge
CANON KK7 citations82
US10209668B2Feb 19, 2019
Image forming apparatus, process cartridge, developing cartridge, and drum cartridge
CANON KK4 citations71
US9977368B2May 22, 2018
Developing apparatus, process cartridge, and image forming apparatus
CANON KK1 citations50