ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,489,418, issued on Dec. 2, was assigned to KYOCERA Corp. (Kyoto, Japan).

"Elastic wave element and communication device" was invented by Soichiro Nozoe (Soraku-gun, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A cavity overlapping an IDT electrode in a see-through plan view is formed between a piezoelectric layer and a support. An intersection region where first electrode fingers and second electrode fingers overlap each other includes a central region and two end regions located on both sides of the central region in one-to-one correspondence. The cavity overlaps the central region. An edge of the cavity on a side closer to the first busbar is l...