ALEXANDRIA, Va., March 19 -- United States Patent no. 12,255,623, issued on March 18, was assigned to Skyworks Solutions Inc. (Irvine, Calif.).

"Bulk acoustic wave resonator having multiple anti-resonant frequencies" was invented by Yiliu Wang (Irvine, Calif.), Jiansong Liu (Fremont, Calif.) and Tomoya Komatsu (Irvine, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Aspects of this disclosure relate to an acoustic wave filter that includes a series a bulk acoustic wave resonator having a plurality of anti-resonant frequencies that impact a passband of the acoustic wave filter. Related bulk acoustic wave resonators, radio frequency modules, wireless communication devices, and methods of filtering radio ...