ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,441,103, issued on Oct. 14, was assigned to Seiko Epson Corp. (Tokyo).

"Drive circuit unit, head unit, and liquid discharge apparatus" was invented by Yoichiro Kondo (Nagano, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a drive circuit unit that drives a head including a discharge section discharging, based on a drive signal, a liquid from a nozzle in a first direction, the drive circuit unit including: a fan; and a power supply board disposed on a side in a second direction opposite to the first direction with respect to the head, supplying power to a drive circuit, and having a first surface on which the fan is mounted, in which a ...