Inventor
TSURUTA SHIZUO
JP3 patents
Patents
3 patentsUS6125250ASep 26, 2000
Developing device, developing method, and an image forming apparatus
HITACHI LTD12 citations69
US5585892ADec 17, 1996
Image forming apparatus with positioning member of frame engaging shaft of roller of photosensitive belt
HITACHI LTD10 citations68
US6661994B2Dec 9, 2003
Electrophotographic image forming system
HITACHI LTD6 citations61