Inventor
KOYAMA TOMOOKU
JP30 patents
⚠️ This page may combine multiple inventors who share the name “KOYAMA TOMOOKU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
29 patentsUS9400462B2Jul 26, 2016
Image forming apparatus
CANON KK3 citations84
US9280101B2Mar 8, 2016
Image forming apparatus with lower and upper guide members
CANON KK3 citations84
US8360421B2Jan 29, 2013
Sheet processing apparatus and image forming apparatus
CANON KK10 citations84
US9146520B2Sep 29, 2015
Image forming apparatus
CANON KK10 citations83
US9075386B2Jul 7, 2015
Image forming apparatus with a curl correcting unit
CANON KK6 citations83
US11215946B2Jan 4, 2022
Sheet processing apparatus and image forming system
CANON KK3 citations73
US10138083B2Nov 27, 2018
Sheet discharging apparatus, sheet feeding apparatus and image forming apparatus
CANON KK2 citations73
US9950887B2Apr 24, 2018
Sheet detecting device and image forming apparatus
CANON KK2 citations73
US8855516B2Oct 7, 2014
Image forming apparatus including air blowing member configured to blow air toward a pressing member forming a nip portion with a fixing member
CANON KK6 citations73
US9446923B2Sep 20, 2016
Sheet conveying apparatus and image forming apparatus
CANON KK6 citations71
US9309075B2Apr 12, 2016
Sheet processing apparatus and image forming apparatus
CANON KK4 citations71
US12248260B2Mar 11, 2025
Image forming apparatus
CANON KK0 citations62
US11803139B2Oct 31, 2023
Image forming apparatus
CANON KK0 citations62
US11662683B2May 30, 2023
Sheet processing apparatus and image forming system
CANON KK1 citations62
US11506999B2Nov 22, 2022
Image forming apparatus
CANON KK0 citations62
US11124376B2Sep 21, 2021
Sheet discharging apparatus, sheet feeding apparatus and image forming apparatus
CANON KK0 citations62
US10955774B2Mar 23, 2021
Image forming apparatus
CANON KK0 citations62
US10031476B2Jul 24, 2018
Image forming apparatus having fixing device and blower for the fixing device
CANON KK1 citations62
US9904222B2Feb 27, 2018
Image forming apparatus with plurality of ribs on guide to fixing nip
CANON KK1 citations62
US9429886B2Aug 30, 2016
Image forming apparatus having fixing device and blower for the fixing device
CANON KK2 citations62
US10551774B2Feb 4, 2020
Image forming apparatus with guide member movable with repect to direction perpendiclar to recording material surface
CANON KK0 citations52
US10481552B2Nov 19, 2019
Fixing device having a perforated duct
CANON KK0 citations52
US11061353B2Jul 13, 2021
Image forming apparatus
CANON KK0 citations51
US9557702B2Jan 31, 2017
Image forming apparatus with curl correcting unit
CANON KK1 citations51
US12399447B2Aug 26, 2025
Image forming apparatus
CANON KK0 citations50
US12360478B2Jul 15, 2025
Image forming apparatus
CANON KK0 citations50
US12222672B2Feb 11, 2025
Image forming apparatus with a transfer device
CANON KK0 citations50
US12216428B2Feb 4, 2025
Image forming apparatus
CANON KK0 citations50
US9411285B2Aug 9, 2016
Drive transmission device and image forming apparatus
CANON KK0 citations42