US Patent Issued to Murata Manufacturing on Sept. 8 for "High frequency filter, high frequency circuit, and communication device" (Japanese Inventor)

ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,732,161, issued on Sept. 8, was assigned to Murata Manufacturing Co. Ltd. (Kyoto, Japan).

"High frequency filter, high frequency circuit, and communication device" was invented by Syunsuke Kido (Kyoto, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A filter includes a series arm resonator and parallel arm circuits, in which the parallel arm circuit has a parallel arm resonator and a frequency variable circuit connected in series to each other, the frequency variable circuit has a capacitor and a switch connected parallel to each other, the other parallel arm circuit has a capacitor and a switch connected in series to each other."

The patent was f...