ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,750,031, issued on Sept. 29, was assigned to MURATA MANUFACTURING Co. LTD. (Kyoto, Japan).

"Acoustic wave device" was invented by Katsumi Suzuki (Nagaokakyo, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An acoustic wave device includes a support including support substrate and an intermediate layer on the support substrate, a piezoelectric layer on the intermediate layer, and an IDT electrode on the piezoelectric layer. A cavity portion is provided in the support. The piezoelectric layer includes a membrane portion overlapping the cavity portion in a plan view. At least a portion of the IDT electrode is in the membrane portion. A spacer layer i...