P

Inventor

HAYAKAWA YASUYOSHI

JP44 patents
⚠️ This page may combine multiple inventors who share the name “HAYAKAWA YASUYOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CANON KK

43 patents
US6733007B2May 11, 2004

Sheet material conveying device; image forming apparatus and sheet processing device

CANON KK87 citations98
US6581922B2Jun 24, 2003

Sheet processing apparatus above image forming means and image forming apparatus

CANON KK100 citations98
US6561503B1May 13, 2003

Sheet processing device with stack alignment

CANON KK82 citations98
US6722646B2Apr 20, 2004

Sheet treating apparatus and image forming apparatus

CANON KK121 citations97
US6382614B1May 7, 2002

Sheet processing apparatus and image forming apparatus

CANON KK56 citations96
US6382616B1May 7, 2002

Aligning device for sheet finisher

CANON KK68 citations96
US6325371B1Dec 4, 2001

Sheet conveying apparatus with conveying path changing device and sorter

CANON KK58 citations96
US6318718B1Nov 20, 2001

Image forming apparatus and sheet stacking device with lifter

CANON KK57 citations96
US6302606B1Oct 16, 2001

Sheet receiving/stacking device, and image forming apparatus having the same

CANON KK54 citations96
US5579098ANov 26, 1996

Image forming apparatus with removeable fixing unit

CANON KK60 citations96
US4873548AOct 10, 1989

Image forming apparatus comprising a main assembly having a top frame adapted to swing open and closed with respect to a bottom frame and having process cartridge detachably mounted in the main assembly

CANON KK68 citations96
US5292116AMar 8, 1994

Sheet feeding apparatus

CANON KK52 citations95
US5383655AJan 24, 1995

Sheet feeding apparatus

CANON KK27 citations93
US5155537AOct 13, 1992

Sheet feeding apparatus with a plurality of easily loaded cassettes

CANON KK53 citations93
US7226050B2Jun 5, 2007

Discharge sheet stacking apparatus and image forming apparatus provided with the same

CANON KK16 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
US6637996B1Oct 28, 2003

Bookbinding apparatus, adhesive cartridge, and image forming apparatus

CANON KK20 citations92
US6352253B1Mar 5, 2002

Discharged sheet stacking apparatus and image forming apparatus having such stacking apparatus

CANON KK34 citations92
US6341772B1Jan 29, 2002

In line rotatable stapling device

CANON KK39 citations92
US6206369B1Mar 27, 2001

Sorter

CANON KK19 citations91
US4888620ADec 19, 1989

Process cartridge and image forming apparatus using the same

CANON KK48 citations91
US5348284ASep 20, 1994

Sheet supply apparatus

CANON KK20 citations89
US6733008B2May 11, 2004

Sheet conveying apparatus, and image forming apparatus and image reading apparatus having the sheet conveying apparatus

CANON KK15 citations84
US7913996B2Mar 29, 2011

Sheet feeding apparatus and image forming apparatus

CANON KK13 citations83
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
US7022972B2Apr 4, 2006

Image reader with a closed-state detector and image forming apparatus using same

CANON KK8 citations74
US6930805B2Aug 16, 2005

Image reading apparatus

CANON KK10 citations74
US6534761B2Mar 18, 2003

Image reader with a closed-state detector and image forming apparatus using same

CANON KK11 citations74
US6286830B1Sep 11, 2001

Sheet material stacking device and image forming apparatus having same

CANON KK7 citations74
US5465141ANov 7, 1995

Fixing apparatus for changing the duty cycle of electric current supply

CANON KK18 citations74
US7216863B2May 15, 2007

Sheet processing apparatus above image forming means and image forming apparatus

CANON KK3 citations63
US6917451B2Jul 12, 2005

Image reading apparatus

CANON KK5 citations63
US5603618AFeb 18, 1997

Mounting board unit attaching/detaching device

CANON KK5 citations63
US7077395B2Jul 18, 2006

Sheet after-treatment device and image forming apparatus equipped with the device

CANON KK6 citations62
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

NISHIKATA KAZUSHI

1 patent