US Patent Issued to MURATA MANUFACTURING on Feb. 17 for "Filter element and filter device" (Japanese Inventor)

ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,556,161, issued on Feb. 17, was assigned to MURATA MANUFACTURING Co. LTD. (Kyoto, Japan).

"Filter element and filter device" was invented by Masashi Omura (Nagaokakyo, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A filter element includes a piezoelectric layer with a polarization axis direction, and division resonators provided at the piezoelectric layer. Each of the division resonators includes a functional electrode on the piezoelectric layer. Each of the functional electrodes includes high and low potential electrodes. When a direction parallel or substantially parallel to a direction in which the high and low potential electrodes face each o...