Inventor
OOTSUKA MASAHIRO
JP7 patents
Patents
7 patentsUS8385754B2Feb 26, 2013
Image forming apparatus featuring forced discharging of excessive developer
CANON KK11 citations83
US10642192B2May 5, 2020
Developing device having a feeding screw with multiple blade portions
CANON KK6 citations70
US9268263B2Feb 23, 2016
Development apparatus and image forming apparatus
CANON KK4 citations70
US7917066B2Mar 29, 2011
Developing apparatus and image forming apparatus
CANON KK4 citations59
US11774883B2Oct 3, 2023
Image forming apparatus that executes a mode for driving each of conveyance member and developer carrying member without executing image forming operation
CANON KK0 citations49
US10088772B2Oct 2, 2018
Developing device
CANON KK0 citations48
US9897960B2Feb 20, 2018
Image forming apparatus
CANON KK0 citations37