ALEXANDRIA, Va., July 30 -- United States Patent no. 12,372,908, issued on July 29, was assigned to RICOH COMPANY LTD. (Tokyo).
"Image forming apparatus" was invented by Ryusuke Mase (Kanagawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An image forming apparatus includes an image bearer, a developing device, a motor, and circuitry. The developing device includes a screw and a developing roller. The screw stirs and conveys a developer. The developing roller bears the developer stirred and conveyed by the screw, brings the developer into contact with the image bearer, and develops an electrostatic latent image on the image bearer. The motor drives the developing device at multiple process speeds. Th...