US Patent Issued to MURATA MANUFACTURING on July 28 for "Acoustic wave filter device" (Japanese Inventors)

ALEXANDRIA, Va., July 28 -- United States Patent no. 12,695,439, issued on July 28, was assigned to MURATA MANUFACTURING Co. LTD. (Kyoto, Japan).

"Acoustic wave filter device" was invented by Takashi Iwamoto (Nagaokakyo, Japan), Motoji Tsuda (Nagaokakyo, Japan), Hiroshi Somada (Nagaokakyo, Japan), Eiji Fujimori (Nagaokakyo, Japan), Masaki Kasai (Nagaokakyo, Japan), Takuma Kuroyanagi (Nagaokakyo, Japan) and Shinichiro Takayanagi (Nagaokakyo, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A duplexer includes a piezoelectric substrate including an upper surface and a lower surface, a functional element on the lower surface, a flat plate electrode on a side of the upper surface of the piezoelectric substra...