ALEXANDRIA, Va., June 5 -- United States Patent no. 12,275,243, issued on April 15, was assigned to Brother Kogyo K.K. (Nagoya, Japan).

"Liquid discharge head" was invented by Taisuke Mizuno (Yokkaichi, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A liquid discharge head is provided, which includes a nozzle plate which is formed with nozzles, and a channel member which is formed with pressure chambers and connecting channels for connecting the pressure chambers and the nozzles. The connecting channel includes a plurality of portions which have mutually different channel cross-sectional areas. The plurality of portions includes a first portion which is adjacent to the pressure chamber, and a second po...