ALEXANDRIA, Va., June 25 -- United States Patent no. 12,337,337, issued on June 24, was assigned to SEIKO EPSON Corp. (Tokyo).
"Liquid ejection nozzle and liquid ejection device" was invented by Tomoki Abe (Matsumoto, Japan) and Osamu Katsuda (Matsumoto, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A liquid ejection nozzle that has a nozzle hole and ejects a liquid from the nozzle hole in a ejection direction toward a target subject includes a nozzle plate having the nozzle hole, and a pressing member having a through hole having a diameter larger than a diameter of the nozzle hole at a position corresponding to the nozzle hole in the ejection direction and configured to press the nozzle plate from a...