US Patent Issued to MURATA MANUFACTURING on March 31 for "Multiplexer, radio-frequency module, and communication apparatus" (Japanese Inventors)

ALEXANDRIA, Va., March 31 -- United States Patent no. 12,592,679, issued on March 31, was assigned to MURATA MANUFACTURING Co. LTD. (Nagaokakyo, Japan).

"Multiplexer, radio-frequency module, and communication apparatus" was invented by Hirotsugu Mori (Nagaokakyo, Japan) and Syunsuke Kido (Nagaokakyo, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A multiplexer includes first and second filters connected to an antenna connecting terminal. The first filter includes a first series arm resonator and a first parallel arm resonator. Each of the first series arm resonator and the first parallel arm resonator includes a bottom electrode, a top electrode, and a piezoelectric layer. At least one of resonators fo...