US Patent Issued to MURATA MANUFACTURING on June 9 for "Filter device" (Japanese Inventors)

ALEXANDRIA, Va., June 9 -- United States Patent no. 12,652,022, issued on June 9, was assigned to MURATA MANUFACTURING Co. LTD. (Kyoto, Japan).

"Filter device" was invented by Takuro Okada (Nagaokakyo, Japan), Hideki Iwamoto (Nagaokakyo, Japan) and Kentaro Nakamura (Nagaokakyo, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A filter device includes at least one first acoustic wave resonator and at least one second acoustic wave resonator. The at least one first acoustic wave resonator includes a first piezoelectric substrate and first and second IDT electrodes. The first piezoelectric substrate includes a piezoelectric layer with first and second main surfaces facing each other. The first IDT electrode...