US Patent Issued to MURATA MANUFACTURING on July 7 for "Acoustic wave device" (Japanese Inventors)

ALEXANDRIA, Va., July 7 -- United States Patent no. 12,676,590, issued on July 7, was assigned to MURATA MANUFACTURING Co. LTD. (Kyoto, Japan).

"Acoustic wave device" was invented by Munehisa Watanabe (Nagaokakyo, Japan), Katsuya Daimon (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 substrate and an IDT electrode. The IDT electrode includes a center area and first and second edge areas. Areas including the first and second edge areas and overlapping the areas in an acoustic-wave propagation direction include first and second expansion edge areas. First and second acoustic-velocity adjusters are provided...