Inventor
YASUMATSU KAZUSHIGE
JP2 patents
Patents
2 patentsUS7504188B2Mar 17, 2009
Toner and developer, toner container, process cartridge, image forming apparatus, and image forming method using the same
RICOH KK33 citations92
US7695883B2Apr 13, 2010
Toner and developer, toner container, process cartridge, image forming apparatus, and image forming method using the same
RICOH KK3 citations62