ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,413,199, issued on Sept. 9, was assigned to TAIYO YUDEN Co. LTD. (Tokyo).

"Acoustic wave device, filter, multiplexer, and manufacturing method of acoustic wave device" was invented by Tasuku Kawashima (Tokyo), Mamoru Ishida (Tokyo) and Ryo Iwaki (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "An acoustic wave device includes a substrate, lower and upper electrodes provided over the substrate, a piezoelectric film that is provided over the substrate, is interposed between the lower and upper electrodes, and has a pair of through holes that sandwich a resonance region therebetween in a first direction, are provided along the resonance region, and a...