ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,771,323, issued on Oct. 20, was assigned to MURATA MANUFACTURING Co. LTD. (Kyoto, Japan).
"Acoustic wave device and composite filter device" was invented by Kazunori Inoue (Nagaokakyo, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An acoustic wave device includes a first piezoelectric layer including a first main surface and a second main surface, a first support portion including a first support substrate that overlaps the first piezoelectric layer in a first direction, a first resonator provided on at least the first main surface of the first piezoelectric layer, a second piezoelectric layer including a third main surface and a fourth main surf...