US Patent Issued to MURATA MANUFACTURING on March 4 for "Filter device and multiplexer" (Japanese Inventors)

ALEXANDRIA, Va., March 5 -- United States Patent no. 12,244,287, issued on March 4, was assigned to MURATA MANUFACTURING Co. LTD. (Kyoto, Japan).

"Filter device and multiplexer" was invented by Takuya Sato (Nagaokakyo, Japan), Masahiro Teramoto (Nagaokakyo, Japan) and Keisuke Ogawa (Nagaokakyo, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A filter device includes an unbalanced terminal, balanced terminals, and first and second resonant circuits. The first resonant circuit is connected to the unbalanced terminal. The second resonant circuit is connected to the balanced terminals and electromagnetically coupled with the first resonant circuit. The first resonant circuit includes a resonator in which an...