ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,463,614, issued on Nov. 4, was assigned to MURATA MANUFACTURING Co. LTD. (Kyoto, Japan).

"Acoustic wave device" was invented by Tetsuya Kimura (Nagaokakyo, Japan), Takashi Yamane (Nagaokakyo, Japan), Sho Nagatomo (Nagaokakyo, Japan) and Hideki Iwamoto (Nagaokakyo, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An acoustic wave device includes a piezoelectric layer and first and second electrodes facing each other in a direction intersecting a thickness direction of the piezoelectric layer. The acoustic wave device utilizes a bulk wave in a thickness-shear primary mode. A material of the piezoelectric layer is lithium niobate or lithium tantalate. A...