Inventor
MATSUSHITA SHUNSUKE
JP22 patents
⚠️ This page may combine multiple inventors who share the name “MATSUSHITA SHUNSUKE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
21 patentsUS12105462B2Oct 1, 2024
Image forming apparatus
CANON KK2 citations73
US11360426B2Jun 14, 2022
Electrophotographic apparatus, process cartridge, and cartridge set
CANON KK3 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
US9958805B2May 1, 2018
Image forming apparatus
CANON KK2 citations72
US12468253B2Nov 11, 2025
Image forming apparatus
CANON KK0 citations62
US12117757B2Oct 15, 2024
Image forming apparatus
CANON KK0 citations62
US11526115B2Dec 13, 2022
Image forming apparatus capable of suppressing image defects caused by paper dust
CANON KK0 citations62
US11513449B2Nov 29, 2022
Non-contact developer bias voltage control for image forming apparatus
CANON KK1 citations62
US12411432B2Sep 9, 2025
Image forming apparatus
CANON KK0 citations51
US11275321B2Mar 15, 2022
Image forming apparatus comprising leakage detection
CANON KK0 citations51
US11054786B2Jul 6, 2021
Image forming apparatus
CANON KK0 citations51
US10955792B2Mar 23, 2021
Process cartridge including photosensitive member having multiple grooves and image forming apparatus including the process cartridge
CANON KK0 citations51
US10852175B2Dec 1, 2020
Image forming apparatus
CANON KK0 citations51
US9804549B2Oct 31, 2017
Image forming apparatus
CANON KK1 citations51
US12510856B2Dec 30, 2025
Image forming apparatus
CANON KK0 citations50
US12124182B2Oct 22, 2024
Image-forming apparatus to control potential difference based on image-forming operation
CANON KK0 citations50
US12339599B2Jun 24, 2025
Image forming apparatus
CANON KK0 citations48
US10761453B2Sep 1, 2020
Developing device, process cartridge, and image forming apparatus
CANON KK0 citations41
US10656554B2May 19, 2020
Image forming apparatus
CANON KK0 citations41
US9372434B2Jun 21, 2016
Image forming apparatus with lubricated developer carrying member
CANON KK0 citations41