Inventor
KONDOU TOMIO
JP25 patents
⚠️ This page may combine multiple inventors who share the name “KONDOU TOMIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
21 patentsUS6503676B2Jan 7, 2003
Toner, external additive therefor and image forming method using the toner
RICOH KK174 citations98
US6403275B1Jun 11, 2002
Electrophotographic toner, and image forming method and apparatus using the toner
RICOH KK130 citations98
US6258502B1Jul 10, 2001
Two-component developer, two-component developer holding container, and electrophotographic image formation apparatus equipped with the container
RICOH KK73 citations96
US6183926B1Feb 6, 2001
Toner and two-component developer for electrophotographic process and image formation method and image formation apparatus using the toner
RICOH KK73 citations95
US7592116B2Sep 22, 2009
Indium-containing carrier for electrophotography, developer using the same, and developer container
RICOH KK19 citations92
US7527908B2May 5, 2009
Carrier, developer, developer container, image forming method and process cartridge
RICOH KK19 citations92
US7344812B2Mar 18, 2008
Developer for developing electrostatic latent image and image forming apparatus
RICOH KK26 citations92
US7252919B2Aug 7, 2007
Carrier and developer for latent electrostatic image development, container housing developer, image forming process, image forming apparatus, and process cartridge
RICOH KK16 citations92
US7144669B2Dec 5, 2006
Carrier and developer for latent electrostatic image development, container housing developer, image forming process, image forming apparatus, and process cartridge
RICOH KK15 citations92
US6641969B2Nov 4, 2003
Magnetic toner with negative polarity for developing latent electrostatic images, and image forming apparatus using the same
RICOH KK24 citations92
US6630276B2Oct 7, 2003
External additive for electrophotographic toner, method for manufacturing the external additive, electrophotographic toner using the external additive, and image forming apparatus using the electrophotographic toner
RICOH KK37 citations92
US6479204B1Nov 12, 2002
Magnetic toner with negative polarity for developing latent electrostatic images, and image forming apparatus using the same
RICOH KK31 citations92
US5519316AMay 21, 1996
Method and apparatus for measuring a toner concentration of a two-component developer
RICOH KK26 citations92
US7172846B2Feb 6, 2007
Carrier, developer, image forming apparatus and process cartridge
RICOH KK11 citations84
US6780556B2Aug 24, 2004
External additive for electrophotographic toner, method for manufacturing the external additive, electrophotographic toner using the external additive, and image forming apparatus using the electrophotographic toner
RICOH KK16 citations84
US7272347B2Sep 18, 2007
Carrier, developer including the carrier, and image forming apparatus using the developer
RICOH KK7 citations74
US7232632B2Jun 19, 2007
Color toners and image forming method using the color toners
RICOH KK7 citations74
US7226713B2Jun 5, 2007
Carrier, developer including the carrier and image forming apparatus using the developer
RICOH KK8 citations74
US6821699B2Nov 23, 2004
Toner, image forming method and apparatus using the toner, and container containing the toner
RICOH KK9 citations72
US7713670B2May 11, 2010
Developer, and image forming method using the developer
RICOH KK2 citations63
US7384719B2Jun 10, 2008
Carrier, developer including the carrier, and image forming apparatus using the developer
RICOH KK3 citations63