ALEXANDRIA, Va., June 16 -- United States Patent no. 12,304,219, issued on May 20, was assigned to BROTHER KOGYO K.K. (Nagoya, Japan).

"Liquid supply system, control method, non-transitory computer-readable medium storing computer-readable instructions, and liquid supply device" was invented by Hisaaki Yoshimoto (Nukata, Japan) and Akihiro Kawakita (Nagoya, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A liquid supply system includes one or a plurality tubes, a liquid delivery mechanism and a processor. The one or plurality tubes is connected to a tank. The tank is provided further upstream than a printer. Liquid flows through the one or plurality tubes between the tank and the printer. The liquid del...