Inventor
KUROTAKA SHIGEO
JP38 patents
⚠️ This page may combine multiple inventors who share the name “KUROTAKA SHIGEO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
37 patentsUS6795678B2Sep 21, 2004
Image forming apparatus for fixing a toner image on a sheet or recording medium by use of a belt member
RICOH KK71 citations98
US6088558AJul 11, 2000
Method and apparatus for suppressing belt shift in an image forming apparatus
RICOH KK89 citations98
US5751854AMay 12, 1998
Original-discrimination system for discriminating special document, and image forming apparatus, image processing apparatus and duplicator using the original-discrimination system
RICOH KK181 citations98
US6272248B1Aug 7, 2001
Original-discrimination system for discriminating special document, and image forming apparatus, image processing apparatus and duplicator using the original-discrimination system
RICOH KK113 citations97
US6243559B1Jun 5, 2001
Belt fixing device
RICOH KK93 citations97
US7233762B2Jun 19, 2007
Method of uniformly fixing toner to recording medium in image forming apparatus
RICOH KK52 citations96
US7127202B2Oct 24, 2006
Intermediary transfer apparatus, fixing apparatus and image forming apparatus
RICOH KK56 citations96
US6847792B2Jan 25, 2005
Image forming apparatus having a selectively discharged storage
RICOH KK46 citations96
US6795676B2Sep 21, 2004
Sheet wrapping avoidable fixing apparatus and image forming apparatus
RICOH KK46 citations96
US6078766AJun 20, 2000
Belt conveying apparatus having a self-adjustment mechanism for belt distortion and method therefor
RICOH KK72 citations96
US5659628AAug 19, 1997
Special-document discriminating apparatus and managing system for image forming apparatus having a special-document discriminating function
RICOH KK93 citations96
US5652803AJul 29, 1997
Special-document discriminating apparatus and managing system for image forming apparatus having a special-document discriminating function
RICOH KK56 citations96
US6198888B1Mar 6, 2001
Fixing device for controlling fixing temperature in a stable manner
RICOH KK49 citations95
US6055390AApr 25, 2000
Fixing device and method for controlling fixing temperature in a stable manner
RICOH KK67 citations95
US7570911B2Aug 4, 2009
Image forming method and apparatus for fixing an image
RICOH KK19 citations93
US7433641B2Oct 7, 2008
Fixing member, fixing device, and image forming apparatus
RICOH KK21 citations93
US7369803B2May 6, 2008
Fixing device and image forming apparatus using the same
RICOH KK27 citations93
US7333760B2Feb 19, 2008
Fixing device with temperature control
RICOH KK31 citations93
US7299003B2Nov 20, 2007
Fixing unit and image forming apparatus providing a quick start-up and reduction in energy consumption
RICOH KK50 citations93
US7254362B2Aug 7, 2007
Fixing device, image forming apparatus using the fixing device, and heat insulating member
RICOH KK38 citations93
US7177580B2Feb 13, 2007
Image forming method and apparatus for fixing an image
RICOH KK36 citations93
US7139520B2Nov 21, 2006
Fixing device, nipping device, and image forming apparatus
RICOH KK34 citations93
US7058330B2Jun 6, 2006
Image forming apparatus
RICOH KK18 citations93
US7010257B2Mar 7, 2006
Method of fixing toner on recording medium
RICOH KK26 citations93
US6957036B2Oct 18, 2005
Fixing member, fixing device, and image forming apparatus
RICOH KK32 citations93
US6941088B2Sep 6, 2005
Fixing device, image forming apparatus, method
RICOH KK37 citations93
US5592275AJan 7, 1997
Image fixing device with oil application roller for image forming apparatus
RICOH KK36 citations93
US7269384B2Sep 11, 2007
Transfer-fixing unit with a surface layer of predefined hardness for use in an image forming apparatus
RICOH KK39 citations92
US7010255B2Mar 7, 2006
Fixing device having a heating member and image forming apparatus including the same
RICOH KK50 citations92
US6501935B2Dec 31, 2002
Belt-type fixing apparatus having a fixing roller provided with a soft foam layer
RICOH KK42 citations92
US5678161AOct 14, 1997
Paper conveyer of image forming apparatus which conveys paper to a fixing device
RICOH KK38 citations91
US7738827B2Jun 15, 2010
Image forming apparatus with toner image fixing unit, and the fixing method thereof
RICOH KK10 citations84
US7693471B2Apr 6, 2010
Sheet wrapping avoidable fixing apparatus and image forming apparatus
RICOH KK9 citations84
US7346305B2Mar 18, 2008
Sheet wrapping avoidable fixing apparatus and image forming apparatus
RICOH KK6 citations74
US7251429B2Jul 31, 2007
Image forming apparatus with an energy storage that can be discharged, and with a display of residual energy in the storage
RICOH KK7 citations74
US7224928B2May 29, 2007
Sheet wrapping avoidable fixing apparatus and image forming apparatus
RICOH KK6 citations74
US5153651AOct 6, 1992
Monocolor/multicolor image forming equipment with high/low speed control
RICOH KK19 citations74