Takashi Akutsu

Color electrophotographic image forming apparatus

Toner accommodating container with a gripping cover feature usable with a process cartridge, a process cartridge using the same, and an apparatus using the process cartridge

Image forming apparatus rotationally driving image bearing member and contact electrifying member of process cartridge and process cartridge comprising image bearing member and contact electrifying member

PROCESS CARTRIDGE COMPRISING STORING MEANS FOR STORING INFORMATION CONTROLLING A CHARGE ELIMINATION OPERATION AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS COMPRISING CONTROLLING MEANS CONTROLLING A CHARGE ELIMINATION OPERATION

Process cartridge having projection members for maintaining the posture of the process cartridge when the process cartridge is mounted on the body of an image forming apparatus

Developer seal member and developing apparatus using the seal

Developing device, process cartridge and electric energy supply part to developing roller

Developing device to which developing voltage is applied from non-driving side

Electrophotographic image forming apparatus and process cartridge detachably mountable thereon having first and second cartridge contact portions

Developing device and electric energy supply part for applying developing bias voltage