ALEXANDRIA, Va., June 4 -- United States Patent no. 12,321,108, issued on June 3, was assigned to Canon K.K. (Tokyo).
"Image forming apparatus" was invented by Kodai Hayashi (Shizuoka, Japan), Issei Imamura (Shizuoka, Japan), Shinichi Agata (Shizuoka, Japan) and Takuya Oka (Kanagawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An image forming apparatus includes an image bearing member, a developer bearing member, a drive unit for driving the image bearing member and the developer bearing member in varied peripheral speeds, a control unit, a developing voltage application unit, a supply member for supplying a developer to the developer bearing member, and a supply member voltage application unit. Th...