Inventor
ISHIZUMI KEISUKE
JP38 patents
⚠️ This page may combine multiple inventors who share the name “ISHIZUMI KEISUKE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
33 patentsUS10725402B2Jul 28, 2020
Image forming apparatus
CANON KK2 citations73
US10642195B2May 5, 2020
Image forming apparatus using intermediate transfer member having grooves and specified dynamic friction coefficient
CANON KK2 citations73
US10197940B2Feb 5, 2019
Image forming apparatus changing magnitude of control signal used for image formation
CANON KK2 citations73
US9195174B2Nov 24, 2015
Image forming apparatus with control of potential at transfer portion
CANON KK4 citations73
US11435680B2Sep 6, 2022
Image forming apparatus which includes a belt having an electroconductive layer
CANON KK2 citations71
US11537066B2Dec 27, 2022
Image forming apparatus
CANON KK0 citations62
US11262673B2Mar 1, 2022
Image forming apparatus
CANON KK0 citations62
US11209767B2Dec 28, 2021
Image-forming apparatus
CANON KK1 citations62
US11656564B2May 23, 2023
Image forming apparatus which includes a belt having an electroconductive layer
CANON KK0 citations61
US11009816B2May 18, 2021
Electrophotographic belt and electrophotographic image forming apparatus
CANON KK1 citations61
US11599059B2Mar 7, 2023
Image forming apparatus with condensation control
CANON KK0 citations52
US11460795B2Oct 4, 2022
Image forming apparatus
CANON KK0 citations52
US8953962B2Feb 10, 2015
Image forming apparatus to transfer toner
CANON KK0 citations52
US12298685B2May 13, 2025
Image forming apparatus for maintaining cleaning performance while preventing turn-over of a contact member
CANON KK0 citations51
US12287593B2Apr 29, 2025
Image forming apparatus which supplies yellow toner as protective agent to secondary transfer member
CANON KK0 citations51
US12210308B2Jan 28, 2025
Method for correcting positional shift of image
CANON KK0 citations51
US12038697B2Jul 16, 2024
Image forming apparatus
CANON KK0 citations51
US11934117B2Mar 19, 2024
Image forming apparatus
CANON KK0 citations51
US11392075B2Jul 19, 2022
Image-forming apparatus which controls the rotation of the intermediate transfer belt based on accumulated toner
CANON KK0 citations51
US11366411B2Jun 21, 2022
Image forming apparatus
CANON KK0 citations51
US11327429B2May 10, 2022
Image-forming apparatus with a durable contact member that abuts against a belt
CANON KK0 citations51
US11209766B2Dec 28, 2021
Cleaning device and image forming apparatus
CANON KK0 citations51
US10459361B2Oct 29, 2019
Image forming apparatus with voltage adjustment member
CANON KK0 citations51
US10281846B2May 7, 2019
Image forming apparatus
CANON KK0 citations42
US10120323B2Nov 6, 2018
Image forming apparatus
CANON KK0 citations42
US9507295B2Nov 29, 2016
Image forming apparatus
CANON KK0 citations42
US9310706B2Apr 12, 2016
Image forming apparatus
CANON KK0 citations42
US9274448B2Mar 1, 2016
Image forming apparatus, positional deviation detection apparatus, and positional deviation detection method
CANON KK0 citations42
US9261842B2Feb 16, 2016
Image forming apparatus, density detecting apparatus, and density detecting method
CANON KK0 citations42
US10656566B2May 19, 2020
Image forming apparatus using contact member to recover toner remaining on intermediate transfer member
CANON KK0 citations41
US10216119B2Feb 26, 2019
Image forming apparatus with adjustment of potential for secondary transfer
CANON KK0 citations41
US9304083B2Apr 5, 2016
Optical detection device and image forming apparatus including the same
CANON KK0 citations41
US9285719B2Mar 15, 2016
Image forming apparatus
CANON KK0 citations41