Inventor
KATAYAMA HIROMASA
JP43 patents
⚠️ This page may combine multiple inventors who share the name “KATAYAMA HIROMASA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
36 patentsUS7313342B2Dec 25, 2007
Image forming apparatus including catalyst and active carbon filters
CANON KK24 citations93
US7546078B2Jun 9, 2009
Image heating apparatus and image forming apparatus with displacing members for displacing other members of the apparatuses
CANON KK19 citations92
US9760059B2Sep 12, 2017
Photosensitive member unit and image forming apparatus including the same
CANON KK10 citations84
US9442458B2Sep 13, 2016
Image forming apparatus
CANON KK10 citations84
US7578497B2Aug 25, 2009
Sheet processing apparatus and image forming apparatus equipped with the same
CANON KK13 citations84
US7505725B2Mar 17, 2009
Image heating apparatus including a retractable pressure belt with deviation control
CANON KK16 citations84
US7480480B2Jan 20, 2009
Image heating apparatus with heat pipe for decreasing unevenness in temperature distribution
CANON KK11 citations84
US7429037B2Sep 30, 2008
Sheet processing apparatus and image forming apparatus equipped with the same
CANON KK9 citations84
US7288059B2Oct 30, 2007
Sheet processing apparatus and image forming apparatus equipped with the same
CANON KK11 citations84
US8870178B2Oct 28, 2014
Image forming apparatus
CANON KK11 citations83
US7468099B2Dec 23, 2008
Image forming apparatus
CANON KK8 citations74
US7410156B2Aug 12, 2008
Sheet processing apparatus and image forming apparatus equipped with the same
CANON KK6 citations74
US9671748B2Jun 6, 2017
Image forming apparatus having a developing cartridge with mounting interval regulation
CANON KK2 citations73
US7684745B2Mar 23, 2010
Image heating apparatus
CANON KK7 citations73
US7424261B2Sep 9, 2008
Image heating apparatus
CANON KK8 citations73
US10274893B2Apr 30, 2019
Structure of image forming apparatus
CANON KK5 citations72
US8342506B2Jan 1, 2013
Sheet conveyance apparatus, image forming apparatus, and image reading apparatus
CANON KK2 citations63
US8342500B2Jan 1, 2013
Sheet conveying apparatus, image forming apparatus, and image reading apparatus
CANON KK3 citations63
US7778583B2Aug 17, 2010
Endless belt conveying apparatus and toner image heating apparatus
CANON KK2 citations63
US7762540B2Jul 27, 2010
Sheet processing apparatus and image forming apparatus provided with the same
CANON KK2 citations63
US7530560B2May 12, 2009
Sheet processing apparatus and image forming apparatus provided with the same
CANON KK3 citations63
US12360490B2Jul 15, 2025
Developer supply container and developer supplying system
CANON KK0 citations62
US12038713B2Jul 16, 2024
Developer supply container and developer supplying system
CANON KK0 citations62
US11940753B2Mar 26, 2024
Developer supply container and developer supplying system
CANON KK0 citations62
US11650537B2May 16, 2023
Developer supply container and developer supplying system
CANON KK0 citations62
US11480913B2Oct 25, 2022
Developer supply container and developer supplying system
CANON KK0 citations62
US11150598B2Oct 19, 2021
Developer supply container and developer supplying system
CANON KK0 citations62
US10884371B2Jan 5, 2021
Developer supply container and developer supplying system
CANON KK0 citations62
US10732539B2Aug 4, 2020
Image forming apparatus
CANON KK1 citations62
US10303114B2May 28, 2019
Image forming unit
CANON KK1 citations62
US7798490B2Sep 21, 2010
Sheet conveying apparatus, image forming apparatus, and image reading apparatus
CANON KK6 citations54
US10558161B2Feb 11, 2020
Developer supply container and developer supplying system
CANON KK0 citations52
US10409215B2Sep 10, 2019
Image forming apparatus having a developing cartridge with mounting interval regulation
CANON KK0 citations52
US9645543B2May 9, 2017
Cleaning device with sealing of supporting plate
CANON KK0 citations42
US7983607B2Jul 19, 2011
Image forming apparatus having an endless conveying belt with a 720 degree twist
CANON KK0 citations42
US10732553B2Aug 4, 2020
Image forming apparatus having developer accommodating container rotation detection
CANON KK0 citations36
KATAYAMA HIROMASA
4 patentsUS8297613B2Oct 30, 2012
Sheet feeding apparatus and image forming apparatus
KATAYAMA HIROMASA7 citations82
US8528902B2Sep 10, 2013
Sheet conveying apparatus and image forming apparatus with differential roller diameters
KATAYAMA HIROMASA1 citations51
US8095051B2Jan 10, 2012
Image forming apparatus which achieves stability of a gap between an image bearing member and developer bearing member
KATAYAMA HIROMASA0 citations51
US8155561B2Apr 10, 2012
Image forming apparatus
KATAYAMA HIROMASA0 citations40