ALEXANDRIA, Va., April 15 -- United States Patent no. 12,603,664, issued on April 14, was assigned to MURATA MANUFACTURING Co. LTD. (Kyoto, Japan).

"Filter apparatus and radio-frequency front end circuit including the same" was invented by Makoto Ogata (Nagaokakyo, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A filter apparatus includes a dielectric substrate, input and output terminals, a ground terminal, a common electrode, and first to fourth resonators. Each resonator is connected to the common electrode and the ground terminal. Third and fourth resonators are between first and second resonators. Each resonator includes a capacitor and first and second vias connected to the common electrode. The ...