US Patent Issued to KYOCERA on May 19 for "Elastic wave filter, demultiplexer, and communication apparatus" (Japanese Inventor)

ALEXANDRIA, Va., May 19 -- United States Patent no. 12,633,902, issued on May 19, was assigned to KYOCERA Corp. (Kyoto, Japan).

"Elastic wave filter, demultiplexer, and communication apparatus" was invented by Toshiya Kimura (Kyoto, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "To improve the frequency characteristics of an elastic wave filter. The elastic wave filter includes series resonators and parallel resonators as oblique resonators. In the series resonator, a duty of each of dummy electrode fingers is greater than a duty of each of electrode fingers in at least a part of a first intersection region where the electrode fingers intersect in the series resonator, and a duty at a base portion of e...