ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,493,257, issued on Dec. 9, was assigned to Canon K.K. (Tokyo).
"Image forming apparatus" was invented by Yasukazu Maeda (Kanagawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An image forming apparatus includes a first motor that drives an image forming unit and that includes a motor of a type that lacks a sensor for detecting a rotational position of a rotor of the first motor, and a second motor that drives a fixing unit. A control unit causes rotational driving of the second motor to start after completion of a first operation for detecting a rotational position of the first motor or a second operation for causing the rotor to rotate to a pre...