Inventor
KOIKE TAKAYUKI
JP19 patents
⚠️ This page may combine multiple inventors who share the name “KOIKE TAKAYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
15 patentsUS7245853B2Jul 17, 2007
Developer container, developer supplying unit, and image forming apparatus
RICOH KK59 citations98
US7127198B2Oct 24, 2006
Image forming apparatus including a developer replenishing device for a two-ingredient type developer
RICOH KK38 citations96
US6946229B2Sep 20, 2005
Toner for forming color image, image forming apparatus, and toner container
RICOH KK54 citations96
US7356288B2Apr 8, 2008
Developing apparatus having improved agitation effect
RICOH KK39 citations93
US7346286B2Mar 18, 2008
Method and apparatus for image forming effectively detecting deterioration of developer
RICOH KK37 citations92
US7344812B2Mar 18, 2008
Developer for developing electrostatic latent image and image forming apparatus
RICOH KK26 citations92
US7171145B2Jan 30, 2007
Developing device and process cartridge for an image forming apparatus
RICOH KK44 citations92
US6887636B2May 3, 2005
Toner for two-component developer, image forming method and device for developing electrostatic latent image
RICOH KK45 citations92
US7512364B2Mar 31, 2009
Image forming apparatus including a developer replenishing device for a two-ingredient type developer
RICOH KK10 citations84
US7444107B2Oct 28, 2008
Image forming method and apparatus having a unit for conveying toner and carrier particles from a cleaning unit to a developing unit
RICOH KK9 citations84
US7116932B2Oct 3, 2006
Developing unit and image forming apparatus
RICOH KK13 citations84
US7103305B2Sep 5, 2006
Developing apparatus for image forming apparatus
RICOH KK18 citations84
US7024141B2Apr 4, 2006
Developing device and process cartridge for an image forming apparatus
RICOH KK10 citations74
US7809322B2Oct 5, 2010
Image forming apparatus and process cartridge therefore having a cleaner section which stores unused developer
RICOH KK6 citations73
US7245861B2Jul 17, 2007
Developing device, image forming apparatus and process cartridge including the developing device, and developing method
RICOH KK4 citations63