Inventor
An koji
JP21 patents
Patents
21 patentsUS11846899B2Dec 19, 2023
Image forming apparatus
CANON KK2 citations73
US10310424B2Jun 4, 2019
Fixing device that alleviates a physical load on non-heat-generating regions of a heat generating layer of a fixing film
CANON KK4 citations73
US12416881B2Sep 16, 2025
Image forming apparatus
CANON KK0 citations62
US12265355B2Apr 1, 2025
Image forming apparatus having grounded fixing member
CANON KK0 citations62
US12019382B2Jun 25, 2024
Image forming apparatus
CANON KK0 citations62
US11841676B2Dec 12, 2023
Image forming apparatus controlling voltage applied to transfer member
CANON KK0 citations62
US11747754B2Sep 5, 2023
Image forming apparatus
CANON KK0 citations62
US12265344B2Apr 1, 2025
Image forming apparatus to suppress scattering of toner
CANON KK0 citations61
US11841649B2Dec 12, 2023
Image forming apparatus providing variable transfer voltage based on transfer mode
CANON KK0 citations61
US10935904B2Mar 2, 2021
Image forming apparatus
CANON KK0 citations52
US12287593B2Apr 29, 2025
Image forming apparatus which supplies yellow toner as protective agent to secondary transfer member
CANON KK0 citations51
US11971670B2Apr 30, 2024
Image forming apparatus to control transfer voltage for secondary transfer to recording material
CANON KK0 citations51
US11934117B2Mar 19, 2024
Image forming apparatus
CANON KK0 citations51
US12169371B2Dec 17, 2024
Image forming apparatus
CANON KK0 citations50
US11971666B2Apr 30, 2024
Image forming apparatus and control method, that control charging voltage according to positions of developing roller
CANON KK0 citations50
US10719028B2Jul 21, 2020
Process cartridge and image forming apparatus
CANON KK0 citations41
US10444660B2Oct 15, 2019
Developing apparatus with regulating member having a curved contact surface and image forming apparatus
CANON KK0 citations41
US10437171B2Oct 8, 2019
Developing device, process cartridge and image forming apparatus
CANON KK0 citations41
US10423115B2Sep 24, 2019
Image forming apparatus
CANON KK0 citations41
US10394162B2Aug 27, 2019
Developing apparatus, process cartridge, and image forming apparatus
CANON KK0 citations41
US9086660B2Jul 21, 2015
Image forming apparatus with modified transfer brush
CANON KK0 citations41