Inventor
SUDA TAKEO
JP41 patents
⚠️ This page may combine multiple inventors who share the name “SUDA TAKEO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
40 patentsUS7072602B2Jul 4, 2006
Image forming apparatus and image forming unit
RICOH KK122 citations99
US5887224AMar 23, 1999
Image forming device with improved mixing of circulated developer with replensihed toner
RICOH KK97 citations98
US7162189B2Jan 9, 2007
Method and apparatus of image forming and process cartridge included in the apparatus
RICOH KK53 citations96
US5815767ASep 29, 1998
Image forming apparatus
RICOH KK44 citations96
US5678125AOct 14, 1997
Image forming apparatus
RICOH KK43 citations96
US5532795AJul 2, 1996
Method of and system for cleaning roller members
RICOH KK52 citations96
US6055388AApr 25, 2000
Image forming apparatus and method for obtaining appropriate toner density
RICOH KK83 citations95
US6006050ADec 21, 1999
Image forming method and apparatus for controlling amount of supplied toner or agitating time
RICOH KK75 citations95
US7463845B2Dec 9, 2008
Charging device having a first and second pressure with a cleaning member, and process cartridge and image forming apparatus including the charging device
RICOH KK20 citations93
US7146122B2Dec 5, 2006
Image forming apparatus and image forming unit
RICOH KK15 citations93
US7062207B2Jun 13, 2006
Powder transport apparatus and image forming apparatus that can stabilize replenishment of powder
RICOH KK26 citations93
US6807390B2Oct 19, 2004
Image forming apparatus
RICOH KK37 citations93
US6463237B2Oct 8, 2002
Image forming apparatus and charge roller therefor
RICOH KK26 citations93
US6336013B1Jan 1, 2002
Image forming apparatus and process cartridge having magnet to prevent toner scattering
RICOH KK47 citations93
US6101351AAug 8, 2000
Image forming apparatus having a shutter mechanism for protecting an image bearing member
RICOH KK46 citations93
US6055394AApr 25, 2000
Reliable cover switch employing machine
RICOH KK52 citations93
US7136610B2Nov 14, 2006
Image forming apparatus using installable process cartridge, method of positioning process cartridge, and process cartridge itself
RICOH KK38 citations92
US7035582B2Apr 25, 2006
Image forming apparatus and process cartridge including lubricant applying device that prevents waste of lubricant
RICOH KK28 citations92
US7010246B2Mar 7, 2006
Image forming apparatus, drum unit, image forming module, and method of insertion and removal of a damper into and from an image carrier drum
RICOH KK13 citations92
US6256465B1Jul 3, 2001
Image forming apparatus and image forming unit therefor
RICOH KK40 citations92
US5915143AJun 22, 1999
Image forming apparatus and method for automatically adjusting toner density in response to humidity variations
RICOH KK55 citations92
US6560414B2May 6, 2003
Reusable photoreceptor and image forming apparatus using the reusable photoreceptor and method of reusing photoreceptor
RICOH KK39 citations91
US6097914AAug 1, 2000
Image bearing member and method of manufacturing the member and image forming apparatus using the member
RICOH KK23 citations88
US7826786B2Nov 2, 2010
Image forming apparatus, lubricant applying device, transfer device, process cartridge, and toner
RICOH KK17 citations84
US7817953B2Oct 19, 2010
Image recording medium, sheet feeding device, and image forming apparatus
RICOH KK11 citations84
US7315723B2Jan 1, 2008
Method and apparatus for image forming capable of effectively transporting toner
RICOH KK10 citations84
US7027751B2Apr 11, 2006
Electrophotographic image forming apparatus having residual toner collection
RICOH KK16 citations84
US7542712B2Jun 2, 2009
Lubricant applicator, and image forming apparatus and process cartridge using the lubricant applicator, and method for assembling the process cartridge
RICOH KK15 citations83
US7496323B2Feb 24, 2009
Lubricant applying unit, process cartridge, and image forming apparatus
RICOH KK11 citations83
US7209698B2Apr 24, 2007
Method and apparatus for image forming capable of using minuscule spherical particles of toner, a process cartridge in use for the apparatus and a toner used in the image forming for obtaining an image with a high thin line reproducibility
RICOH KK13 citations83
US6763208B2Jul 13, 2004
Photoreceptor regenerating apparatus and image forming apparatus using regenerated photoreceptor and method of regenerating photoreceptor
RICOH KK15 citations82
US6889023B2May 3, 2005
Charging device, process cartridge and image forming device
RICOH KK17 citations81
US7391991B2Jun 24, 2008
Process cartridge and image forming apparatus
RICOH KK10 citations80
US7486916B2Feb 3, 2009
Method and apparatus of image forming and process cartridge included in the apparatus
RICOH KK6 citations74
US7321742B2Jan 22, 2008
Image forming apparatus, drum unit, image forming module, and method of insertion and removal of a damper into and from an image carrier drum
RICOH KK8 citations74
US7065317B2Jun 20, 2006
Reinforced cleaning member, and process cartridge and image forming apparatus using same
RICOH KK7 citations74
US7444097B2Oct 28, 2008
Air-conditioned electrophotographic image forming apparatus
RICOH KK8 citations73
US7548712B2Jun 16, 2009
Image forming apparatus, drum unit, image forming module, and method of insertion and removal of a damper into and from an image carrier drum
RICOH KK2 citations63
US7352989B2Apr 1, 2008
Reinforced cleaning member, and process cartridge and image forming apparatus using same
RICOH KK1 citations63
US7218887B2May 15, 2007
Reinforced cleaning member and process cartridge and image forming apparatus using same
RICOH KK0 citations52