Inventor
KATOH KOHKI
JP22 patents
Patents
22 patentsUS6363229B1Mar 26, 2002
Full-color toner image fixing method and apparatus
RICOH KK174 citations99
US6741821B2May 25, 2004
Image forming apparatus, and process cartridge for use in image forming apparatus
RICOH KK71 citations98
US6716561B2Apr 6, 2004
Toner for developing electrostatic latent image and image forming method using same
RICOH KK75 citations98
US6653037B2Nov 25, 2003
Toner for developing latent electrostatic images, and image forming method and device
RICOH KK91 citations98
US6618565B2Sep 9, 2003
Transfer bias applying method for an image forming apparatus and device for the same
RICOH KK80 citations98
US6566026B2May 20, 2003
Toner for developing electrostatic latent image, toner container containing the toner, and image forming method and apparatus using the toner
RICOH KK75 citations98
US6074794AJun 13, 2000
Toner for dry developing
RICOH KK134 citations98
US6858365B2Feb 22, 2005
Toner for developing electrostatic latent image, developing method and developing apparatus
RICOH KK57 citations96
US6852459B2Feb 8, 2005
Color toner, method for manufacturing the toner, and image forming apparatus and method using the toner
RICOH KK53 citations96
US6829450B2Dec 7, 2004
Transfer bias applying method for an image forming apparatus and device for the same
RICOH KK59 citations96
US6785500B2Aug 31, 2004
Image forming apparatus including image transfer body with elastic layer and coating layer
RICOH KK65 citations96
US6303258B1Oct 16, 2001
Electrophotographic toner and image forming method using the toner
RICOH KK76 citations96
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
US7052815B2May 30, 2006
Color toner for developing electrostatic images, toner container containing the color toner, and image forming method and apparatus using the color toner
RICOH KK30 citations93
US6916587B2Jul 12, 2005
Toner, developer, and image forming method and apparatus
RICOH KK31 citations93
US6818370B2Nov 16, 2004
Toner for developing electrostatic latent image, toner cartridge containing the toner and image forming apparatus
RICOH KK43 citations93
US6733939B2May 11, 2004
Toner, developer and container for the developer, and method of and apparatus for forming an image
RICOH KK52 citations93
US7346287B2Mar 18, 2008
Transfer device for forming a stable transfer electric field, and an image forming apparatus including the transfer device
RICOH KK25 citations92
US7049037B2May 23, 2006
Color toner, method for manufacturing the toner, and image forming apparatus and method using the toner
RICOH KK25 citations92
US7122286B2Oct 17, 2006
Toner for development of electrostatic latent images, method of forming images, image formation apparatus, toner container containing the toner therein, and image formation apparatus equipped with the toner container
RICOH KK13 citations84
US6740461B2May 25, 2004
Carrier and two-component developer for electrophotography
RICOH KK6 citations63