ALEXANDRIA, Va., July 30 -- United States Patent no. 12,371,287, issued on July 29, was assigned to KYOCERA Document Solutions Inc. (Osaka, Japan).

"Belt conveyor device and image forming apparatus" was invented by Daijiro Ueno (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A plurality of support rollers support a conveyor belt. A first transmission mechanism transmits a rotational force of a first motor to one of the plurality of support rollers. A second transmission mechanism transmits a rotational force of a second motor to one of the plurality of support rollers. A first control portion controls a first supply power supplied to the first motor in accordance with a difference between a spee...