US Patent Issued to SEIKO EPSON on April 15 for "Piezoelectric device, liquid ejecting head, and liquid ejecting apparatus" (Japanese Inventor)

ALEXANDRIA, Va., June 5 -- United States Patent no. 12,275,244, issued on April 15, was assigned to SEIKO EPSON Corp. (Japan).

"Piezoelectric device, liquid ejecting head, and liquid ejecting apparatus" was invented by Daisuke Nagano (Matsumoto, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A piezoelectric device includes: a substrate having a plurality of recesses; a vibration plate provided on one side of the substrate; and a piezoelectric actuator including layers of first electrodes, a piezoelectric layer, and a second electrode provided in this order on the vibration plate side, and the piezoelectric actuator has a plurality of active portions including the first electrode, the second electrode, ...