Inventor
NOGUCHI BUNRO
JP22 patents
Patents
22 patentsUS7254350B2Aug 7, 2007
Image forming apparatus featuring a variable oscillating electric field formed between a developer carrying member and an image bearing member during a developer operation in accordance with a peripheral speed of the image bearing member
CANON KK24 citations92
US9946188B2Apr 17, 2018
Image forming apparatus
CANON KK4 citations83
US9696663B2Jul 4, 2017
Image forming apparatus
CANON KK2 citations73
US11333992B2May 17, 2022
Image forming apparatus and cartridge
CANON KK2 citations72
US11209768B2Dec 28, 2021
Image forming apparatus capable of suppressing image defects caused by paper dust
CANON KK2 citations72
US10444658B2Oct 15, 2019
Image forming apparatus having developer transporting member that transports developer toward a developer bearing member
CANON KK2 citations72
US12117757B2Oct 15, 2024
Image forming apparatus
CANON KK0 citations62
US11635705B2Apr 25, 2023
Image forming apparatus having developer transporting member that transports developer toward a developer bearing member
CANON KK0 citations62
US11526115B2Dec 13, 2022
Image forming apparatus capable of suppressing image defects caused by paper dust
CANON KK0 citations62
US11327415B2May 10, 2022
Image forming apparatus having developer transporting member that transports developer toward a developer bearing member
CANON KK0 citations62
US10372077B2Aug 6, 2019
Image forming apparatus
CANON KK1 citations61
US9880495B2Jan 30, 2018
Developer container, developing apparatus, process cartridge, and image forming apparatus for detecting an amount of developer based on a change in electric capacitance
CANON KK0 citations52
US9383712B2Jul 5, 2016
Image forming apparatus
CANON KK1 citations52
US11988979B2May 21, 2024
Image forming apparatus with developing member that supplies toner to surface of image bearing member to form toner image
CANON KK0 citations51
US11579556B2Feb 14, 2023
Image forming apparatus for prolonging life of replaceable image forming unit
CANON KK0 citations51
US11079712B2Aug 3, 2021
Image forming apparatus for an intermediate transfer of a toner image and for reversely transferring collected developer to an image bearing member
CANON KK0 citations51
US10802418B2Oct 13, 2020
Image forming apparatus having developer transporting member that transports developer toward a developer bearing member
CANON KK0 citations51
US10067443B2Sep 4, 2018
Developer container, developing device, process cartridge, and image forming apparatus incorporating a developer quantity detection unit
CANON KK0 citations51
US9658566B2May 23, 2017
Developer container, developing device, process cartridge, and image forming apparatus
CANON KK1 citations51
US10444701B2Oct 15, 2019
Image forming apparatus
CANON KK0 citations42
US9042752B2May 26, 2015
Image forming apparatus
CANON KK0 citations41
US7155135B2Dec 26, 2006
Image forming apparatus with mode having prolonged rotation time of image bearing member at non-image forming time
CANON KK0 citations41