ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,438,522, issued on Oct. 7, was assigned to MURATA MANUFACTURING Co. LTD. (Kyoto, Japan).
"Filter and multiplexer" was invented by Toshiaki Takata (Nagaokakyo, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A filter includes a first filter circuit and an additional circuit. The first filter circuit includes a resonator electrode and a main wire. The main wire includes first and second metal films, the second metal film being in contact with the first metal film. The additional circuit includes an IDT electrode group including IDT electrodes and a sub-wire connecting the IDT electrode group to the first filter circuit. At least a portion of the sub-w...