ALEXANDRIA, Va., April 21 -- United States Patent no. 12,609,675, issued on April 21, was assigned to MURATA MANUFACTURING Co. LTD. (Kyoto, Japan).
"Acoustic wave device" was invented by Sunao Yamazaki (Nagaokakyo, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An acoustic wave device according to the present invention includes a piezoelectric substrate including a piezoelectric layer, a functional electrode provided on the piezoelectric layer, a first support layer provided on the piezoelectric substrate so as to surround the functional electrode, a covering portion provided on or above the first support layer and including a first main surface positioned on the functional electrode side and a second ...