Inventor
OKAYASU KOHEI
JP24 patents
⚠️ This page may combine multiple inventors who share the name “OKAYASU KOHEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
19 patentsUS10073383B2Sep 11, 2018
Image forming apparatus including cleaning operation
CANON KK6 citations83
US10386755B2Aug 20, 2019
Image forming apparatus including cleaning operation
CANON KK2 citations72
US9946216B2Apr 17, 2018
Image forming apparatus
CANON KK2 citations70
US12468243B2Nov 11, 2025
Image forming apparatus
CANON KK0 citations62
US12265340B2Apr 1, 2025
Image-forming apparatus
CANON KK0 citations62
US12019380B2Jun 25, 2024
Image-forming apparatus
CANON KK0 citations62
US10948857B2Mar 16, 2021
Image forming apparatus, image forming system, and image forming method each controlling fixing temperature
CANON KK0 citations62
US12372905B2Jul 29, 2025
Image forming apparatus
CANON KK0 citations52
US12271133B2Apr 8, 2025
Fixing apparatus and image forming apparatus
CANON KK0 citations52
US11237504B2Feb 1, 2022
Image forming apparatus, image forming method, and computer-readable recording medium with program recorded therein
CANON KK0 citations52
US11036159B2Jun 15, 2021
Image forming apparatus for controlling an exposure amount on a surface of a photoconductor
CANON KK0 citations52
US10656576B2May 19, 2020
Image forming apparatus, image forming system, and image forming method each controlling fixing temperature
CANON KK0 citations52
US12353154B2Jul 8, 2025
Image forming apparatus
CANON KK0 citations51
US11644766B2May 9, 2023
Image forming apparatus that controls voltages to reduce image fogging
CANON KK0 citations51
US10216112B2Feb 26, 2019
Image forming apparatus
CANON KK0 citations51
US10444673B2Oct 15, 2019
Guide member and image forming apparatus comprising the same
CANON KK0 citations41
US10222718B2Mar 5, 2019
Image forming apparatus for duplex operation using potential differences
CANON KK0 citations41
US9042800B2May 26, 2015
Fixing device
CANON KK0 citations41
US10025236B2Jul 17, 2018
Transfer roller and image forming apparatus
CANON KK0 citations40