US Patent Issued to NITTO DENKO on Nov. 3 for "Piezoelectric film, method of producing piezoelectric film, piezoelectric element, and piezoelectric device" (Japanese Inventors)

ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,787,650, issued on Nov. 3, was assigned to NITTO DENKO Corp. (Ibaraki, Japan).

"Piezoelectric film, method of producing piezoelectric film, piezoelectric element, and piezoelectric device" was invented by Gaku Tsuburaoka (Ibaraki, Japan), Daisuke Nakamura (Ibaraki, Japan), Taketo Ishikawa (Ibaraki, Japan) and Hironobu Machinaga (Ibaraki, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A piezoelectric film contains a piezoelectric material having a wurtzite-type crystal structure as a main component, and an additive element containing Kr, wherein the piezoelectric material contains a component selected from the group consisting of Zn, Al, Ga, Cd, and...