Inventor
KIKKAWA NAOHIRO
JP56 patents
⚠️ This page may combine multiple inventors who share the name “KIKKAWA NAOHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
18 patentsUS7416177B2Aug 26, 2008
Sheet folding apparatus, sheet processing apparatus and image forming apparatus
RICOH KK60 citations98
US6905118B2Jun 14, 2005
Sheet finisher and image forming system using the same
RICOH KK127 citations97
US7798950B2Sep 21, 2010
Sheet finisher, image forming apparatus, and sheet processing method
RICOH KK19 citations93
US7413181B2Aug 19, 2008
Method and apparatus for image forming capable of effectively performing sheet finishing operation
RICOH KK20 citations93
US7410158B2Aug 12, 2008
Image forming apparatus and method
RICOH KK24 citations93
US7306214B2Dec 11, 2007
Paper handling apparatus
RICOH KK32 citations93
US7137625B2Nov 21, 2006
Sheet finisher including means for setting cutting position image forming system including the sheet finisher
RICOH KK29 citations93
US7802789B2Sep 28, 2010
Sheet conveying device, sheet punching device, sheet processing device, image forming apparatus, and method for determining mounting state of measuring unit
RICOH KK9 citations84
US7798480B2Sep 21, 2010
Sheet processing apparatus and sheet conveyance method
RICOH KK8 citations84
US7744076B2Jun 29, 2010
Sheet folding apparatus, sheet processing apparatus and image forming apparatus
RICOH KK9 citations84
US7681881B2Mar 23, 2010
Sheet aligning device and image forming apparatus
RICOH KK13 citations84
US7546081B2Jun 9, 2009
Paper finisher having paper perforating apparatus, and image forming apparatus equipped with paper perforating apparatus and paper finisher
RICOH KK13 citations84
US7458567B2Dec 2, 2008
Sheet finisher and image forming system using the same
RICOH KK9 citations84
US7407155B2Aug 5, 2008
Sheet finisher with a punching unit
RICOH KK15 citations84
US7661669B2Feb 16, 2010
Sheet post-processing apparatus, image forming apparatus, and image forming system
RICOH KK7 citations74
US7487964B2Feb 10, 2009
Sheet finisher for an image forming apparatus
RICOH KK7 citations74
US7822378B2Oct 26, 2010
Sheet finisher and image forming system using the same
RICOH KK4 citations63
US7527254B2May 5, 2009
Sheet finisher with a punching unit
RICOH KK3 citations63
RICOH CO LTD
8 patentsUS7922163B2Apr 12, 2011
Sheet processing device and image forming apparatus
RICOH CO LTD11 citations84
US7905473B2Mar 15, 2011
Sheet creaser including a cam guided pressing unit
RICOH CO LTD8 citations84
US7896341B2Mar 1, 2011
Sheet conveying device, sheet finisher, sheet feeding device, image forming apparatus, and sheet conveying method
RICOH CO LTD9 citations84
US8011281B2Sep 6, 2011
Punching device, conveying device, finishing device, and image forming apparatus
RICOH CO LTD4 citations63
US8002274B2Aug 23, 2011
Sheet stacking device, drive control method, and computer program product
RICOH CO LTD3 citations63
US7954800B2Jun 7, 2011
Openable sheet processing device
RICOH CO LTD3 citations63
US7950641B2May 31, 2011
Sheet creaser, sheet conveyer, sheet finisher, and image forming apparatus
RICOH CO LTD5 citations63
US7934714B2May 3, 2011
Sheet post-processing apparatus, image forming apparatus, and image forming system
RICOH CO LTD4 citations63
SUZUKI NOBUYOSHI
5 patentsUS8162306B2Apr 24, 2012
Sheet aligning apparatus, sheet processing apparatus, and image forming apparatus
SUZUKI NOBUYOSHI21 citations92
US8220791B2Jul 17, 2012
Spine formation device, bookbinding system, and control method therefor
SUZUKI NOBUYOSHI7 citations84
US8186663B2May 29, 2012
Spine formation device, saddle-stitch bookbinding apparatus, sheet-edge cutting apparatus, sheet processing apparatus, and image forming apparatus
SUZUKI NOBUYOSHI7 citations84
US9102116B2Aug 11, 2015
Sheet creaser, sheet finisher, image forming apparatus, sheet folding method, and computer program product
SUZUKI NOBUYOSHI4 citations73
US8286958B2Oct 16, 2012
Spine formation device, post-processing apparatus, spine formation system, and spine formation method
SUZUKI NOBUYOSHI4 citations63
HATTORI HITOSHI
4 patentsUS8191885B2Jun 5, 2012
Home-position detecting method, sheet processing device, and image forming apparatus
HATTORI HITOSHI11 citations83
US8322701B2Dec 4, 2012
Image forming apparatus
HATTORI HITOSHI6 citations72
US8413976B2Apr 9, 2013
Image forming system, sheet finisher, and folding method
HATTORI HITOSHI2 citations62
US8313098B2Nov 20, 2012
Paper transport device, paper processing apparatus, and image forming apparatus with paper-jamming detection unit
HATTORI HITOSHI4 citations62
KIKKAWA NAOHIRO
3 patentsUS8191882B2Jun 5, 2012
Spine formation device, post-processing apparatus, and spine formation system
KIKKAWA NAOHIRO17 citations83
US8109495B2Feb 7, 2012
Spine formation device, post-processing apparatus, and bookbinding system
KIKKAWA NAOHIRO12 citations83
US8333371B2Dec 18, 2012
Creasing device and image forming system
KIKKAWA NAOHIRO2 citations61
ISHIKAWA NAOYUKI
2 patentsSHIBASAKI YUUSUKE
2 patentsASAMI SHINJI
2 patentsSAITO TAKASHI
1 patentKOJIMA HIDETOSHI
1 patentAIBA GO
1 patentNAGASAKO SHUUYA
1 patentFURUHASHI TOMOHIRO
1 patentKOBAYASHI KAZUHIRO
1 patentShowing the top 50 of 56 patents by PatentIndex Score.