Inventor

Naohiro Kikkawa

Inventor
Kanagawa, JP

Overview

56→
Patents
2005–2015
Patent span
Performing operations
Primary field (CPC B)

Patents· 56 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, cables42%
G03GElectrography21%
B42CBookbinding10%
B31FMechanical working or deformation of paper, cardboard or material worked in a manner analogous to paper7%
B26DCutting6%
B26FPerforating4%
Y10TTechnical subjects covered by former us classification4%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%
B42BPermanently attaching together sheets, quires or signatures or permanently attaching objects thereto2%
B41JTypewriters1%
PatentTitleYear
9,102,116'Sheet creaser, sheet finisher, image forming apparatus, sheet folding method, and computer program product'20158,528,891'Creasing device and image forming system'20138,490,957'Creasing apparatus and image forming system'20138,480,069'Sheet processing apparatus and image forming system'20138,474,807'Conveying device, spine forming device, and image forming system'20138,465,012'Creasing device and image forming system'20138,424,859'Creasing apparatus and image forming system'20138,419,003'Creasing device and image forming system'20138,413,976'Image forming system, sheet finisher, and folding method'20138,413,974'Creasing device and image forming system'20138,387,964'Creasing device and image forming system'20138,333,371'Creasing device and image forming system'20128,322,701'Image forming apparatus'20128,313,098'Paper transport device, paper processing apparatus, and image forming apparatus with paper-jamming detection unit'20128,286,958'Spine formation device, post-processing apparatus, spine formation system, and spine formation method'20128,282,091'Spine formation device, bookbinding system, and spine formation method'20128,256,758'Bookbinding system, bookbinding method, and bookbinding control program'20128,240,654'Spine formation device, post-processing apparatus, and spine formation system'20128,220,791'Spine formation device, bookbinding system, and control method therefor'20128,191,885'Home-position detecting method, sheet processing device, and image forming apparatus'20128,191,882'Spine formation device, post-processing apparatus, and spine formation system'20128,186,663'Spine formation device, saddle-stitch bookbinding apparatus, sheet-edge cutting apparatus, sheet processing apparatus, and image forming apparatus'20128,177,226'Sheet processing apparatus and image forming apparatus'20128,162,306'Sheet aligning apparatus, sheet processing apparatus, and image forming apparatus'20128,109,495'Spine formation device, post-processing apparatus, and bookbinding system'20128,011,281'Punching device, conveying device, finishing device, and image forming apparatus'20118,002,274'Sheet stacking device, drive control method, and computer program product'20117,967,284'Sheet conveying device, sheet processing apparatus, and image forming apparatus'20117,954,800'Openable sheet processing device'20117,950,641'Sheet creaser, sheet conveyer, sheet finisher, and image forming apparatus'20117,934,714'Sheet post-processing apparatus, image forming apparatus, and image forming system'20117,922,163'Sheet processing device and image forming apparatus'20117,905,473'Sheet creaser including a cam guided pressing unit'20117,896,341'Sheet conveying device, sheet finisher, sheet feeding device, image forming apparatus, and sheet conveying method'20117,893,648'Stepping motor driving device, sheet processing device, and image processing apparatus'20117,822,378'Sheet finisher and image forming system using the same'20107,802,789'Sheet conveying device, sheet punching device, sheet processing device, image forming apparatus, and method for determining mounting state of measuring unit'20107,798,950'Sheet finisher, image forming apparatus, and sheet processing method'20107,798,480'Sheet processing apparatus and sheet conveyance method'20107,762,170'Heat-effect reduceable finishing unit and image forming system using the same'20107,744,076'Sheet folding apparatus, sheet processing apparatus and image forming apparatus'20107,742,716'Image forming system'20107,681,881'Sheet aligning device and image forming apparatus'20107,661,669'Sheet post-processing apparatus, image forming apparatus, and image forming system'20107,546,081'Paper finisher having paper perforating apparatus, and image forming apparatus equipped with paper perforating apparatus and paper finisher'20097,527,254'Sheet finisher with a punching unit'20097,487,964'Sheet finisher for an image forming apparatus'20097,458,567'Sheet finisher and image forming system using the same'20087,416,177'Sheet folding apparatus, sheet processing apparatus and image forming apparatus'20087,413,181'Method and apparatus for image forming capable of effectively performing sheet finishing operation'20087,410,158'Image forming apparatus and method'20087,407,155'Sheet finisher with a punching unit'20087,336,921'Sheet finisher with sheet folding capability and image forming system using the same'20087,306,214'Paper handling apparatus'20077,137,625'Sheet finisher including means for setting cutting position image forming system including the sheet finisher'20066,905,118'Sheet finisher and image forming system using the same'2005

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2005–2010Patents assigned to RICOH KK (21)· patent assignee history
2005–2010Based in Tokyo, JP· patent location history
2010–2015Based in Kanagawa, JP· patent location history
2010–2012Based in Kawasaki, JP· patent location history
2010Based in Yokohama-shi, Kanagawa, JP· patent location history
2011–2015Patents assigned to RICOH CO LTD (35)· patent assignee history
2012–2015Patents assigned to KIKKAWA NAOHIRO (25)· patent assignee history
2012–2015Patents assigned to HATTORI HITOSHI (16)· patent assignee history
2012–2015Patents assigned to NAGASAKO SHUUYA (16)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
RICOH CO LTD352011–2015
KIKKAWA NAOHIROself252012–2015
RICOH KK212005–2010
HATTORI HITOSHI162012–2015
NAGASAKO SHUUYA162012–2015
Locations
LocationPatentsSpan
Kanagawa, JP322010–2015
Tokyo, JP152005–2010
Kawasaki, JP82010–2012
Yokohama-shi, Kanagawa, JP12010