US Patent Issued to SEIKO EPSON on Aug. 5 for "Piezoelectric actuator and manufacturing method thereof, liquid droplet discharge head, and ultrasonic device" (Japanese Inventors)

ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,377,654, issued on Aug. 5, was assigned to SEIKO EPSON Corp. (Japan).

"Piezoelectric actuator and manufacturing method thereof, liquid droplet discharge head, and ultrasonic device" was invented by Motoki Takabe (Shiojiri, Japan) and Eiju Hirai (Azumino, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A piezoelectric actuator includes a substrate, and a first piezoelectric device and a second piezoelectric device formed at the substrate. The first piezoelectric device includes a first lower electrode, a first piezoelectric body, and a first upper electrode. The second piezoelectric device includes a second lower electrode, a second piezoelectric bod...