Inventor
FUJITA KEIKO
JP35 patents
⚠️ This page may combine multiple inventors who share the name “FUJITA KEIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
27 patentsUS7597311B2Oct 6, 2009
Sheet processing apparatus and image forming apparatus provided therewith and sheet processing method
CANON KK52 citations98
US7581725B2Sep 1, 2009
Sheet processing apparatus
CANON KK23 citations93
US7031637B2Apr 18, 2006
Image forming apparatus having image forming units perpendicular to developer supply units
CANON KK33 citations92
US6741815B1May 25, 2004
Image forming apparatus with function of cooling sheet
CANON KK23 citations92
US10040652B2Aug 7, 2018
Sheet feeding apparatus, sheet conveyance apparatus, and image forming apparatus
CANON KK7 citations84
US8047539B2Nov 1, 2011
Image forming apparatus
CANON KK11 citations84
US7866645B2Jan 11, 2011
Bookbinding apparatus and image forming apparatus
CANON KK7 citations84
US7866652B2Jan 11, 2011
Sheet processing apparatus
CANON KK9 citations84
US7046945B2May 16, 2006
Developing apparatus
CANON KK17 citations84
US12078957B2Sep 3, 2024
Image forming apparatus including air duct
CANON KK2 citations73
US9372445B2Jun 21, 2016
Image forming apparatus
CANON KK3 citations73
US8864123B2Oct 21, 2014
Image forming apparatus
CANON KK6 citations70
US7926800B2Apr 19, 2011
Sheet processing apparatus and image forming apparatus
CANON KK5 citations63
US7762537B2Jul 27, 2010
Sheet processing apparatus and method
CANON KK6 citations63
US7680560B2Mar 16, 2010
Sheet stacking apparatus, sheet processing apparatus and image forming apparatus
CANON KK2 citations63
US7618033B2Nov 17, 2009
Sheet processing apparatus and image forming apparatus
CANON KK2 citations63
US12474671B2Nov 18, 2025
Image forming apparatus including air duct
CANON KK0 citations62
US12386309B2Aug 12, 2025
Image forming apparatus to prevent air duct bending
CANON KK0 citations61
US12078956B2Sep 3, 2024
Image forming apparatus
CANON KK0 citations61
US12541174B2Feb 3, 2026
Duct unit having an elastic seal between joined duct sections
CANON KK0 citations52
US11720058B2Aug 8, 2023
Image forming apparatus having air exhaust system for first and second connected housings
CANON KK0 citations52
USRE46875EMay 29, 2018
Sheet processing apparatus
CANON KK0 citations52
US9217960B2Dec 22, 2015
Image forming apparatus
CANON KK1 citations52
US9994405B2Jun 12, 2018
Sheet conveying apparatus and image forming apparatus
CANON KK1 citations51
US11669045B2Jun 6, 2023
Image forming apparatus to reduce emission amounts
CANON KK0 citations50
US10538401B2Jan 21, 2020
Sheet feeding apparatus and image forming apparatus
CANON KK0 citations42
US9256200B2Feb 9, 2016
Image forming apparatus
CANON KK0 citations42