ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,476,614, issued on Nov. 18, was assigned to Samsung Electro-Mechanics Co. Ltd. (Suwon-si, South Korea).

"Acoustic wave filter" was invented by Chanhee Park (Suwon-si, South Korea) and Sangheon Han (Suwon-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "An acoustic wave filter is provided. The acoustic wave filter includes a first resonator connected between a first port and a second port, a second resonator which has a first end connected to the first port, a third resonator which has a first end connected to the second port, and a fourth resonator connected between a ground and a first node to which a second end of the second resonator an...