ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,512,816, issued on Dec. 30, was assigned to MURATA MANUFACTURING Co. LTD. (Kyoto, Japan).
"High frequency filter and multiplexer" was invented by Toshiaki Takata (Nagaokakyo, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A high frequency filter includes a filter circuit portion on a first path between first and second signal electrodes, and an additional circuit portion on a second path parallel or substantially parallel to at least a portion of the first path. The filter circuit portion includes series arm resonators, parallel arm resonators, and an inductor on a path connecting a portion or all of parallel arm resonators and a ground. Acoustic ...