ALEXANDRIA, Va., June 25 -- United States Patent no. 12,339,602, issued on June 24, was assigned to Canon K.K. (Tokyo).
"Image forming apparatus" was invented by Kohei Shimosawa (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "An image forming apparatus includes an image bearing member, a first belt to which a toner image is transferred, a first transfer roller in contact with an inner surface of the first belt, a second belt in contact with an outer surface of the first belt, and a second transfer roller to form a nip portion between itself and the first transfer roller through the second belt. First and second stretching roller are provided upstream and downstream of the second transfer roller in a ro...