Inventor
MIYAGUCHI YOHICHIROH
JP5 patents
Patents
5 patentsUS6597884B2Jul 22, 2003
Image forming apparatus including electrostatic conveyance of charged toner
RICOH KK79 citations97
US7308222B2Dec 11, 2007
Toner supplying system for an image forming apparatus
RICOH KK29 citations92
US7526238B2Apr 28, 2009
Developing device, process cartridge and image forming apparatus moving toner particles by a phase-shifting electric field
RICOH KK13 citations83
US7236720B2Jun 26, 2007
Image forming apparatus and process cartridge
RICOH KK12 citations83
US7672604B2Mar 2, 2010
Image forming apparatus and image forming method using electrostatic transport and hopping
RICOH KK3 citations62