ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,512,809, issued on Dec. 30, was assigned to MURATA MANUFACTURING Co. LTD. (Kyoto, Japan).

"Acoustic wave device" was invented by Hideki Iwamoto (Nagaokakyo, Japan) and Katsuya Daimon (Nagaokakyo, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An acoustic wave device includes a support substrate, a multilayer body, and an IDT electrode. The multilayer body includes a lithium tantalate piezoelectric layer and a lithium niobate piezoelectric layer that are laminated, and is on the support substrate. The IDT electrode is on the multilayer body, and includes electrode fingers. When a wavelength of an acoustic wave determined by a pitch of the electrode...