ALEXANDRIA, Va., March 24 -- United States Patent no. 12,587,170, issued on March 24, was assigned to MURATA MANUFACTURING Co. LTD. (Kyoto, Japan).
"Acoustic wave filter" was invented by Naoki Oshima (Nagaokakyo, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An acoustic wave filter includes an acoustic wave resonant circuit in or on at least one of a series arm or a parallel arm. The acoustic wave resonant circuit includes divided resonant devices connected to one another in series. A first divided resonant device among the divided resonant devices includes one first resonator. A second divided resonant device among the divided resonant devices includes two parallel divided resonators connected to eac...