US Patent Issued to FUJIFILM on Sept. 9 for "Liquid supply system, liquid circulation method, and printing system" (Japanese Inventor)

ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,409,664, issued on Sept. 9, was assigned to FUJIFILM Corp. (Tokyo).

"Liquid supply system, liquid circulation method, and printing system" was invented by Tadashi Kyoso (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "The liquid supply system includes: a buffer tank (12) in which a liquid to be supplied to a liquid supply target device (15) is stored; a liquid level varying device (78, 82) that changes a liquid level height in the buffer tank; a liquid flow passage (16, 18) through which the liquid supply target device and the buffer tank communicate with each other; a pump (98A) provided in the liquid flow passage; and a valve (97A) for...