Inventor
TSUDUKI MASATOMO
JP2 patents
Patents
2 patentsUS7215909B2May 8, 2007
Developing device, and process cartridge maintaining position of developing roller, and image forming apparatus using these
CANON KK67 citations96
US7024137B2Apr 4, 2006
Developing device, developing cartridge, and process cartridge each urging developing roller into regulating portion, and image forming apparatus having such developing device or process cartridge
CANON KK46 citations94