ALEXANDRIA, Va., June 19 -- United States Patent no. 12,332,597, issued on June 17, was assigned to CANON K.K. (Tokyo).
"Developing device" was invented by Go Katsumata (Chiba, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A developing device mountable on an image forming apparatus includes a main body, a fixing portion, a connecting portion and a developing side electric contact. The fixing portion is fixed to the image forming apparatus in a state where the main body and the fixing portion are positioned in the image forming apparatus. An urging portion urges the fixing portion so as to generate a moment to the fixing portion about the connecting portion as the rotation center in a state where the m...