ALEXANDRIA, Va., June 19 -- United States Patent no. 12,330,418, issued on June 17, was assigned to Seiko Epson Corp. (Tokyo).
"Liquid discharge head and liquid discharge device" was invented by Masaki Mori (Shiojiri, Japan), Yu Shiozawa (Shiojiri, Japan), Motoki Takabe (Shiojiri, Japan), Hitoshi Takaai (Azumino, Japan), Eiju Hirai (Azumino, Japan) and Michiya Kubokawa (Fujimi-machi, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A liquid discharge head includes a pressure chamber substrate that has a plurality of pressure chambers, a piezoelectric element that is laminated at the pressure chamber substrate, and has an individual electrode individually provided for each of the plurality of pressure cha...