Inventor

YUKINAGA KOJI

JP3 patents

Patents

3 patents

US4839691AJun 13, 1989

Image forming apparatus

TOSHIBA KK66 citations89

US4742370AMay 3, 1988

Developing device with toner density adjustment

TOSHIBA KK14 citations69

US5606405AFeb 25, 1997

Developing apparatus and image forming apparatus having developing apparatus

TOSHIBA KK1 citations46