ALEXANDRIA, Va., July 16 -- United States Patent no. 12,358,285, issued on July 15, was assigned to Seiko Epson Corp. (Tokyo).
"Liquid discharge head and liquid discharge device" was invented by Masaki Mori (Shiojiri, Japan), Motoki Takabe (Shiojiri, Japan) and Eiju Hirai (Azumino, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A piezoelectric body that is driven to apply pressure to a liquid in the plurality of pressure chambers, and contains lead atoms, a first electrode that is provided on a first surface of two surfaces of the piezoelectric body, a second electrode that is provided on a second surface opposite to the first surface of the two surfaces of the piezoelectric body, a drive wiring that i...