ALEXANDRIA, Va., June 4 -- United States Patent no. 12,319,069, issued on June 3, was assigned to FUJIFILM Corp. (Tokyo).

"Liquid supply device, control method of liquid supply device, and printing apparatus" was invented by Tadashi Kyoso (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A sequence that includes first processing of generating a positive flow in a first direction in a liquid in a first flow passage including at least a part of a circulation flow passage through which the liquid is supplied from a liquid tank to the liquid jetting head and the liquid is collected from the liquid jetting head to the liquid tank and second processing of generating a negative flow in an opposite dir...