Inventor
KUWATA TAKASHI
JP50 patents
⚠️ This page may combine multiple inventors who share the name “KUWATA TAKASHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
46 patentsUS6581922B2Jun 24, 2003
Sheet processing apparatus above image forming means and image forming apparatus
CANON KK100 citations98
US6722646B2Apr 20, 2004
Sheet treating apparatus and image forming apparatus
CANON KK121 citations97
US6643480B2Nov 4, 2003
Image forming apparatus with demountable sheet conveyor unit in main body for receiving sheets from optional sheet stack connectable thereto
CANON KK59 citations96
US5765826AJun 16, 1998
Sheet supplying apparatus with pivotal convey unit
CANON KK73 citations96
US7226050B2Jun 5, 2007
Discharge sheet stacking apparatus and image forming apparatus provided with the same
CANON KK16 citations92
US6988730B2Jan 24, 2006
Sheet conveying apparatus, sheet post-processing apparatus, and image forming apparatus provided with sheet conveying apparatus and image forming apparatus
CANON KK20 citations92
US6973285B2Dec 6, 2005
Discharge sheet stacking apparatus and image forming apparatus provided with the same
CANON KK29 citations92
US6942206B2Sep 13, 2005
Sheet treating apparatus and image forming apparatus having the same
CANON KK43 citations92
US6735415B2May 11, 2004
Sheet postprocessing apparatus and image forming apparatus
CANON KK29 citations92
US6674976B2Jan 6, 2004
Sheet post-processing device, image forming apparatus having the device and error handling method therefor
CANON KK32 citations92
US6661995B2Dec 9, 2003
Sheet processing apparatus and image forming apparatus provided with the same
CANON KK28 citations92
US6527267B1Mar 4, 2003
Sheet conveying apparatus, sheet feeding apparatus, and image forming apparatus
CANON KK50 citations92
US5700006ADec 23, 1997
Sheet feeding apparatus with suspended sheet carrying device and image forming apparatus
CANON KK22 citations92
US7258339B2Aug 21, 2007
Sheet processing device with sheet lift preventing member and image forming apparatus having the same
CANON KK20 citations90
US6997456B2Feb 14, 2006
Sheet processing device with sheet lift preventing member and image forming apparatus having the same
CANON KK35 citations90
US8973918B2Mar 10, 2015
Sheet conveying apparatus and image forming apparatus
CANON KK8 citations84
US6912044B2Jun 28, 2005
Sheet post-processing device and image forming apparatus having the device
CANON KK17 citations84
US7448619B2Nov 11, 2008
Image processing apparatus
CANON KK6 citations74
US7341248B2Mar 11, 2008
Sheet processing apparatus and image forming apparatus
CANON KK6 citations74
US7267338B2Sep 11, 2007
Image processing apparatus
CANON KK8 citations74
US9828200B2Nov 28, 2017
Image forming apparatus
CANON KK3 citations73
US7310495B2Dec 18, 2007
Image forming apparatus
CANON KK9 citations73
US11203496B2Dec 21, 2021
Image forming apparatus
CANON KK3 citations72
US9440809B2Sep 13, 2016
Sheet stacking apparatus and image forming apparatus
CANON KK6 citations72
US7460813B2Dec 2, 2008
Image forming apparatus
CANON KK4 citations63
US7216863B2May 15, 2007
Sheet processing apparatus above image forming means and image forming apparatus
CANON KK3 citations63
US7192029B2Mar 20, 2007
Sheet conveying apparatus, sheet post-processing apparatus, and image forming apparatus provided with sheet conveying apparatus and image forming apparatus
CANON KK3 citations63
US9454113B2Sep 27, 2016
Image forming apparatus
CANON KK2 citations62
US7077395B2Jul 18, 2006
Sheet after-treatment device and image forming apparatus equipped with the device
CANON KK6 citations62
US6088553AJul 11, 2000
Image forming apparatus
CANON KK5 citations62
US10976694B2Apr 13, 2021
Image forming apparatus with a first door and second door for accessing a cartridge
CANON KK1 citations61
US8948682B2Feb 3, 2015
Image forming apparatus
CANON KK3 citations61
US12135513B2Nov 5, 2024
Toner conveying apparatus having toner conveying paths and image forming apparatus
CANON KK0 citations60
US11782361B2Oct 10, 2023
Toner conveying apparatus having orthogonal toner conveying paths and image forming apparatus
CANON KK0 citations60
US11300901B2Apr 12, 2022
Toner conveying apparatus having orthogonal toner conveying paths and image forming apparatus
CANON KK0 citations60
US11774879B2Oct 3, 2023
Toner conveying apparatus having a light transmission portion
CANON KK0 citations52
US10800624B2Oct 13, 2020
Image forming apparatus
CANON KK0 citations52
US10155636B2Dec 18, 2018
Image forming apparatus
CANON KK0 citations52
US9856098B2Jan 2, 2018
Feeding apparatus and image forming apparatus
CANON KK0 citations52
US9481532B2Nov 1, 2016
Feeding apparatus and image forming apparatus
CANON KK1 citations52
US7630681B2Dec 8, 2009
Sheet processing apparatus and image forming apparatus
CANON KK1 citations52
US7607651B2Oct 27, 2009
Sheet processing apparatus and image forming apparatus
CANON KK1 citations52
US7386271B2Jun 10, 2008
Sheet processing apparatus and image forming apparatus
CANON KK1 citations52
US10883553B2Jan 5, 2021
One-way clutch
CANON KK0 citations49
US10611586B2Apr 7, 2020
Sheet stacking apparatus and image forming apparatus
CANON KK0 citations41
US10838358B2Nov 17, 2020
Image forming apparatus that has sheet sensor
CANON KK0 citations40