Inventor
IWATA NOBUO
JP111 patents
⚠️ This page may combine multiple inventors who share the name “IWATA NOBUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
47 patentsUS7277664B2Oct 2, 2007
Image forming device, powder feeding device, toner storage container, powder storage container, and method of recycling the containers
RICOH KK104 citations99
US6628908B2Sep 30, 2003
Toner supply unit and image forming apparatus
RICOH KK175 citations99
US6628915B2Sep 30, 2003
Developer container for an image forming apparatus
RICOH KK120 citations99
US6393241B1May 21, 2002
Nozzle having an end portion capable of penetrating into a toner discharging portion included in a toner container that stores powdery toner
RICOH KK181 citations99
US5875380AFeb 23, 1999
Image forming apparatus eliminating influence of fluctuation in speed of a conveying belt to correction of offset in color registration
RICOH KK149 citations99
US7603054B2Oct 13, 2009
Image forming apparatus, powder supplying unit, toner container, powder container, and method of recycling the powder container
RICOH KK57 citations98
US7593674B2Sep 22, 2009
Body member of a powder container
RICOH KK60 citations98
US7536139B2May 19, 2009
Powder container for use in an image forming apparatus having an opening which faces horizontally
RICOH KK60 citations98
US7450891B2Nov 11, 2008
Developer container for an image forming apparatus
RICOH KK58 citations98
US7346299B2Mar 18, 2008
Developer container for an image forming apparatus
RICOH KK57 citations98
US7245853B2Jul 17, 2007
Developer container, developer supplying unit, and image forming apparatus
RICOH KK59 citations98
US7221891B2May 22, 2007
Body member of a powder container
RICOH KK90 citations98
US6628913B2Sep 30, 2003
Method and apparatus for replenishing developer with a flexible powder container
RICOH KK87 citations98
US6597883B2Jul 22, 2003
Powder pump capable of effectively conveying powder and image forming apparatus using powder pump
RICOH KK112 citations98
US6571076B2May 27, 2003
Image forming apparatus and toner container therefor
RICOH KK76 citations98
US6542707B2Apr 1, 2003
Method and apparatus for image forming capable of effectively transferring various kinds of powder
RICOH KK101 citations98
US6526246B2Feb 25, 2003
Powder replenishing device, powder conveying device, developing apparatus using the same powder replenishing device or powder conveying device, and image forming apparatus using the same powder replenishing device or powder conveying device
RICOH KK104 citations98
US6381435B2Apr 30, 2002
Color image forming apparatus
RICOH KK163 citations98
US6282396B1Aug 28, 2001
Color image forming apparatus and method of obtaining color images with decreased image positional deviation
RICOH KK140 citations98
US6128459AOct 3, 2000
Color image forming apparatus and method of obtaining color images with decreased image positional deviation
RICOH KK121 citations97
US7542703B2Jun 2, 2009
Developing device replenishing a toner or a carrier of a two-ingredient type developer and image forming apparatus including the developing device
RICOH KK45 citations96
US7130558B2Oct 31, 2006
Toner supply unit and image forming apparatus
RICOH KK32 citations96
US7127198B2Oct 24, 2006
Image forming apparatus including a developer replenishing device for a two-ingredient type developer
RICOH KK38 citations96
US7085522B2Aug 1, 2006
Developer container for an image forming apparatus
RICOH KK45 citations96
US7065313B2Jun 20, 2006
Developer container, developer replenishing device using the same and image forming apparatus including the same
RICOH KK58 citations96
US6898405B2May 24, 2005
Developer container, developer replenishing device using the same and image forming apparatus including the same
RICOH KK66 citations96
US6871034B2Mar 22, 2005
Developer container for an image forming apparatus
RICOH KK36 citations96
US6785496B2Aug 31, 2004
Developer container, developing conveying device and image forming apparatus using the same
RICOH KK58 citations96
US6142690ANov 7, 2000
Color image forming apparatus with drive power transmission mechanism
RICOH KK76 citations96
US5963240AOct 5, 1999
Deflecting mirror adjusting device for an image forming apparatus
RICOH KK88 citations96
US5962783AOct 5, 1999
Apparatus for detecting rotational speed
RICOH KK70 citations96
US5638159AJun 10, 1997
Developing unit for an image forming apparatus and method of collecting bicomponent developer therefrom
RICOH KK81 citations96
US4106611AAug 15, 1978
Serial printing apparatus
RICOH KK76 citations96
US7406278B2Jul 29, 2008
Powder container having a lower section with multiple parts which rotatably engage with each other
RICOH KK16 citations93
US7356288B2Apr 8, 2008
Developing apparatus having improved agitation effect
RICOH KK39 citations93
US7257348B2Aug 14, 2007
Body member of a powder container
RICOH KK29 citations93
US7209689B2Apr 24, 2007
Toner supply unit and image forming apparatus
RICOH KK20 citations93
US7116928B2Oct 3, 2006
Powder discharging device and image forming apparatus using the same
RICOH KK46 citations93
US7088945B2Aug 8, 2006
Toner supply unit and image forming apparatus
RICOH KK13 citations93
US7043179B2May 9, 2006
Toner replenishing device with timing control of toner replenishing device
RICOH KK31 citations93
US6882812B2Apr 19, 2005
Image forming apparatus including developing device and developer containing device
RICOH KK27 citations93
US5467175ANov 14, 1995
Developing device for an image forming apparatus
RICOH KK30 citations93
US7346286B2Mar 18, 2008
Method and apparatus for image forming effectively detecting deterioration of developer
RICOH KK37 citations92
US6184910B1Feb 6, 2001
Color image forming apparatus with polygonal mirror rotation phase control
RICOH KK26 citations92
US5008711AApr 16, 1991
Image forming apparatus
RICOH KK49 citations92
US4908661AMar 13, 1990
Holder device for handling an image carrier of an image forming apparatus
RICOH KK34 citations92
US5799228AAug 25, 1998
Image forming apparatus which prevents adverse affects from heating elements
RICOH KK22 citations91
FUJI XEROX CO LTD
2 patentsMATSUMOTO JUNICHI
1 patentShowing the top 50 of 111 patents by PatentIndex Score.