ALEXANDRIA, Va., July 9 -- United States Patent no. 12,355,426, issued on July 8, was assigned to Murata Manufacturing Co. Ltd. (Nagaokakyo, Japan).

"Acoustic filters with shared acoustic tracks" was invented by Kurt Raihn (Grass Valley, Calif.), Sean McHugh (Santa Barbara, Calif.) and Timothy Palomo (Foster City, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Acoustic filters devices and methods of making the same. A filter device includes a plurality of series resonators acoustically coupled along a first shared acoustic track and a plurality of shunt resonators acoustically coupled along a second shared acoustic track and electrically coupled to the plurality of series resonators."

The patent was ...