Inventor

Yasuyoshi Hayakawa

Inventor

Mishima, JP

Overview

1989–2012

Patent span

Performing operations

Primary field (CPC B)

Patents· 44 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

B65Hprimary

B65HHandling thin or filamentary material, e.g. sheets, webs, cables43%

G03GElectrography25%

B42CBookbinding16%

B41JTypewriters5%

H04NPictorial communication, e.g. television5%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%

B27FDovetailed work1%

B42BPermanently attaching together sheets, quires or signatures or permanently attaching objects thereto1%

H05KPrinted circuits1%

PatentTitleYear

8,262,084'Sheet feeding apparatus and image forming apparatus with sheet feeding cassette and associated locking means'2012 7,913,996'Sheet feeding apparatus and image forming apparatus'2011 7,630,681'Sheet processing apparatus and image forming apparatus'2009 7,607,651'Sheet processing apparatus and image forming apparatus'2009 7,448,619'Image processing apparatus'2008 7,386,271'Sheet processing apparatus and image forming apparatus'2008 7,341,248'Sheet processing apparatus and image forming apparatus'2008 7,267,338'Image processing apparatus'2007 7,226,050'Discharge sheet stacking apparatus and image forming apparatus provided with the same'2007 7,216,863'Sheet processing apparatus above image forming means and image forming apparatus'2007 7,077,395'Sheet after-treatment device and image forming apparatus equipped with the device'2006 7,022,972'Image reader with a closed-state detector and image forming apparatus using same'2006 6,973,285'Discharge sheet stacking apparatus and image forming apparatus provided with the same'2005 6,942,206'Sheet treating apparatus and image forming apparatus having the same'2005 6,930,805'Image reading apparatus'2005 6,917,451'Image reading apparatus'2005 6,733,007'Sheet material conveying device; image forming apparatus and sheet processing device'2004 6,735,415'Sheet postprocessing apparatus and image forming apparatus'2004 6,733,008'Sheet conveying apparatus, and image forming apparatus and image reading apparatus having the sheet conveying apparatus'2004 6,722,646'Sheet treating apparatus and image forming apparatus'2004 6,674,976'Sheet post-processing device, image forming apparatus having the device and error handling method therefor'2004 6,661,995'Sheet processing apparatus and image forming apparatus provided with the same'2003 6,637,996'Bookbinding apparatus, adhesive cartridge, and image forming apparatus'2003 6,581,922'Sheet processing apparatus above image forming means and image forming apparatus'2003 6,561,503'Sheet processing device with stack alignment'2003 6,534,761'Image reader with a closed-state detector and image forming apparatus using same'2003 6,382,616'Aligning device for sheet finisher'2002 6,382,614'Sheet processing apparatus and image forming apparatus'2002 6,352,253'Discharged sheet stacking apparatus and image forming apparatus having such stacking apparatus'2002 6,341,772'In line rotatable stapling device'2002 6,325,371'Sheet conveying apparatus with conveying path changing device and sorter'2001 6,318,718'Image forming apparatus and sheet stacking device with lifter'2001 6,302,606'Sheet receiving/stacking device, and image forming apparatus having the same'2001 6,286,830'Sheet material stacking device and image forming apparatus having same'2001 6,206,369'Sorter'2001 5,603,618'Mounting board unit attaching/detaching device'1997 5,579,098'Image forming apparatus with removeable fixing unit'1996 5,465,141'Fixing apparatus for changing the duty cycle of electric current supply'1995 5,383,655'Sheet feeding apparatus'1995 5,348,284'Sheet supply apparatus'1994 5,292,116'Sheet feeding apparatus'1994 5,155,537'Sheet feeding apparatus with a plurality of easily loaded cassettes'1992 4,888,620'Process cartridge and image forming apparatus using the same'1989 4,873,548'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'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–2012Patents assigned to CANON KK (44)· patent assignee history

1989–1997Based in Yokohama, JP· patent location history

2001–2012Based in Mishima, JP· patent location history

2003–2008Based in Shizuoka, JP· patent location history

2012Patents assigned to HAYAKAWA YASUYOSHI (1)· patent assignee history

2012Patents assigned to NEMOTO AKIO (1)· patent assignee history

2012Patents assigned to NISHIKATA KAZUSHI (1)· patent assignee history

2012Patents assigned to SAWANAKA KEI (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
CANON KK	44	1989–2012
HAYAKAWA YASUYOSHIself	1	2012
NEMOTO AKIO	1	2012
NISHIKATA KAZUSHI	1	2012
SAWANAKA KEI	1	2012

Locations

Location	Patents	Span
Mishima, JP	18	2001–2012
Shizuoka, JP	17	2003–2008
Yokohama, JP	9	1989–1997