ALEXANDRIA, Va., Oct. 21 -- United States Patent no. RE51,083, issued on Oct. 20, was assigned to KYOCERA Corp. (Kyoto, Japan) and SONY GROUP Corp. (Tokyo).
"Liquid ejection head and recording device" was invented by Hiroki Kobayashi (Minamikoma-gun, Japan) and Kenko Gejima (Kirishima, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A liquid ejection head having a channel member which includes an ejection hole surface and a pressurization chamber surface opposite thereto. An actuator substrate overlaps the pressurization chamber surface. The channel member includes a plurality of ejection holes opening in the ejection hole surface, a plurality of pressurization chambers individually communicating with t...