Inventor
HIRAI KATSUAKI
JP26 patents
⚠️ This page may combine multiple inventors who share the name “HIRAI KATSUAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
24 patentsUS6474633B1Nov 5, 2002
Stapler with interchangeable cartridges
CANON KK69 citations96
US6264194B1Jul 24, 2001
Sheet handling device and images forming apparatus using the device
CANON KK81 citations96
US5897250AApr 27, 1999
Sheet processing apparatus
CANON KK86 citations96
US7380779B2Jun 3, 2008
Sheet processing system
CANON KK17 citations93
US6860478B2Mar 1, 2005
Sheet processor with hole punch controller which avoids punching when preexisting hole exists and image forming apparatus provided with the same
CANON KK24 citations92
US6283470B1Sep 4, 2001
Sheet treating apparatus with aligning device and image forming apparatus having the same
CANON KK42 citations92
US5573233ANov 12, 1996
Sheet post-processing apparatus with malfunction operation
CANON KK48 citations92
US5465949ANov 14, 1995
Automatic sheet feeding device with selectively applied pressure member
CANON KK25 citations92
US5132741AJul 21, 1992
Sheet original feeding apparatus and image forming system
CANON KK53 citations92
US6374077B1Apr 16, 2002
Sheet processing apparatus and image forming apparatus having this
CANON KK20 citations91
US7296791B2Nov 20, 2007
Image forming apparatus, sheet containing device, sheet inserting device, book-binding system, and sheet processing apparatus
CANON KK17 citations84
US5932722AAug 3, 1999
Hydroxygallium phthalocyanine compound, production process therefor and electrophotographic photosensitive member using the compound
CANON KK17 citations84
US7942399B2May 17, 2011
Sheet processing apparatus and image forming apparatus having the same
CANON KK12 citations83
US7134370B2Nov 14, 2006
Sheet processing apparatus
CANON KK12 citations82
US7120373B2Oct 10, 2006
Sheet-processing system
CANON KK5 citations74
US5871208AFeb 16, 1999
Sheet convey apparatus with horizontal sheet stacking plate above convey means
CANON KK7 citations74
US5617196AApr 1, 1997
Original feeding method with originals mounted side by side
CANON KK8 citations74
US5192976AMar 9, 1993
Sheet original feeding apparatus with detachable auxiliary feeder
CANON KK7 citations74
US7780164B2Aug 24, 2010
Sheet processing apparatus and image forming apparatus
CANON KK2 citations63
US7426367B2Sep 16, 2008
Sheet processing apparatus and image forming apparatus
CANON KK3 citations63
US6155552ADec 5, 2000
Sorter and image forming apparatus
CANON KK6 citations63
US5229816AJul 20, 1993
Original image reading device
CANON KK6 citations57
US7673868B2Mar 9, 2010
Sheet processing system
CANON KK1 citations52
US7437093B2Oct 14, 2008
Sheet-processing system
CANON KK0 citations52