ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,431,854, issued on Sept. 30, was assigned to MURATA MANUFACTURING Co. LTD. (Kyoto, Japan).
"Composite acoustic wave filter device" was invented by Shinichi Nakamura (Nagaokakyo, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A composite acoustic wave filter device includes first and second acoustic wave filters. One end of the first acoustic wave filter with a pass band in a relatively low frequency range and one end of the second acoustic wave filter with a pass band in a relatively high frequency range are connected in common. A first end portion of a first parallel capacitance element and a third end portion of a second parallel capacitance el...