Inventor
YASUI MOTOKAZU
JP38 patents
⚠️ This page may combine multiple inventors who share the name “YASUI MOTOKAZU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
37 patentsUS7022944B2Apr 4, 2006
Image forming apparatus preventing excessive increase in temperature of fixing device
RICOH KK90 citations98
US6892044B2May 10, 2005
Liquid application apparatus and image formation apparatus
RICOH KK84 citations98
US6881927B2Apr 19, 2005
Image forming apparatus preventing excessive increase in temperature of fixing device
RICOH KK85 citations98
US6785505B2Aug 31, 2004
Fixing device preventing rubbing of toner image
RICOH KK83 citations98
US6778804B2Aug 17, 2004
Fixing device and image forming apparatus including the same
RICOH KK71 citations98
US6778790B2Aug 17, 2004
Fixing device capable of preventing excessive increase in temperature
RICOH KK89 citations98
US6628916B2Sep 30, 2003
Fixing device preventing rubbing of toner image
RICOH KK107 citations98
US5839032ANov 17, 1998
Image forming apparatus having selectably controlled sheet discharge paths
RICOH KK128 citations97
US6898407B2May 24, 2005
Desktop color image forming apparatus and method of making the same
RICOH KK61 citations96
US6807386B2Oct 19, 2004
Fixing device and image forming apparatus
RICOH KK63 citations96
US6636709B2Oct 21, 2003
Fixing device having temperature detecting member and image forming apparatus using said fixing device
RICOH KK108 citations96
US6567643B2May 20, 2003
Apparatuses for color image formation, tandem color image formation and image formation
RICOH KK38 citations96
US6263185B1Jul 17, 2001
Image forming apparatus with a scanner input
RICOH KK72 citations96
US6134418AOct 17, 2000
Image forming apparatus having a casing mounted to the apparatus at an upper portion of a stacking device
RICOH KK55 citations96
US6112047AAug 29, 2000
Image forming apparatus having a substantially vertical sheet transport path and a relaying mechanism that cooperate to transfer a sheet to a sheet discharge section
RICOH KK55 citations96
US5729798AMar 17, 1998
Heat roller fixing device having positioning members
RICOH KK45 citations96
US5481350AJan 2, 1996
Heat roller fixing device divided into first and second frames and with positioning members of the first frame
RICOH KK49 citations96
US5400123AMar 21, 1995
Image forming apparatus capable of erasing an image recorded in a sheet
RICOH KK102 citations95
US7734208B2Jun 8, 2010
Image fixing apparatus and image forming apparatus capable of effectively controlling an image fixing temperature
RICOH KK28 citations93
US7693439B2Apr 6, 2010
Fixing device, and method and device for heating control used in the same
RICOH KK29 citations93
US6416176B1Jul 9, 2002
Ink-jet printing system having an improved sheet transport mechanism
RICOH KK33 citations93
US5745247AApr 28, 1998
Image forming apparatus having a controlled fixing unit
RICOH KK49 citations93
US7263309B2Aug 28, 2007
Desktop color image forming apparatus and method of making the same
RICOH KK15 citations92
US6973283B2Dec 6, 2005
Color image forming apparatus, and toner replenishing apparatus
RICOH KK20 citations92
US6719469B2Apr 13, 2004
Ink jet recording apparatus capable of performing a duplex print operation
RICOH KK33 citations92
US7427727B2Sep 23, 2008
Fixing apparatus and an image formation apparatus
RICOH KK10 citations84
US7333749B2Feb 19, 2008
Desktop color image forming apparatus and method of making the same
RICOH KK10 citations84
US6801749B2Oct 5, 2004
Apparatuses for color image formation, tandem color image formation and image formation
RICOH KK12 citations82
US7212764B2May 1, 2007
Color image forming apparatus, and toner replenishing apparatus
RICOH KK7 citations74
US6785504B2Aug 31, 2004
Apparatuses for color image formation, tandem color image formation and image formation
RICOH KK5 citations74
US6766137B2Jul 20, 2004
Apparatuses for color image formation, tandem color image formation and image formation
RICOH KK4 citations74
US7344326B2Mar 18, 2008
Ink jet recording apparatus capable of performing a duplex print operation
RICOH KK5 citations73
US7606521B2Oct 20, 2009
Desktop color image forming apparatus and method of making the same
RICOH KK3 citations63
US7436417B2Oct 14, 2008
Color image forming apparatus, and toner replenishing apparatus
RICOH KK2 citations63
US7406283B2Jul 29, 2008
Desktop color image forming apparatus and method of making the same
RICOH KK3 citations63
US7712989B2May 11, 2010
Ink jet recording apparatus capable of performing a duplex print operation
RICOH KK2 citations62
US7457561B2Nov 25, 2008
Color image forming apparatus, and toner replenishing apparatus
RICOH KK0 citations52