ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,732,154, issued on Sept. 8, was assigned to MURATA MANUFACTURING Co. LTD. (Kyoto, Japan).

"Acoustic wave device" was invented by Yasumasa Taniguchi (Nagaokakyo, Japan), Hideki Iwamoto (Nagaokakyo, Japan) and Hiromu Okunaga (Nagaokakyo, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "In an acoustic wave device, a first IDT electrode is provided on a first main surface of a piezoelectric film, and a second IDT electrode is provided on a second main surface of the piezoelectric film. A crystal c-axis of the piezoelectric film is tilted with respect to a direction normal to the first and second main surfaces. A direction of an electric field generated ...