US Patent Issued to SCREEN Holdings on Sept. 1 for "Ink supplier" (Japanese Inventor)

ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,722,391, issued on Sept. 1, was assigned to SCREEN Holdings Co. Ltd. (Kyoto, Japan).

"Ink supplier" was invented by Yasunori Akiyoshi (Kyoto, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An ink supplier includes a supply reservoir and a recovery reservoir that are connected to a plurality of heads. If abnormality is detected at one of a first and a second pressure regulator that supply negative pressures to the supply reservoir and the recovery reservoir respectively, a controller performs a) cutting off the pressure regulator on the abnormal side and the reservoir from each other; b) opening a bypass valve interposed in a bypass pipe forming co...