ALEXANDRIA, Va., June 9 -- United States Patent no. 12,289,095, issued on April 29, was assigned to SAMSUNG ELECTRONICS Co. LTD. (Suwon-si, South Korea).
"Filter system including resonator" was invented by Sungchan Kang (Hwaseong-si, South Korea), Cheheung Kim (Yongin-si, South Korea), Sangha Park (Seoul, South Korea), Yongseop Yoon (Seoul, South Korea) and Choongho Rhee (Seoul, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A filter system includes a first resonator having a first resonant frequency, and a second resonator having a second resonant frequency different from the first resonant frequency, and electrically connected to the first resonator. A first response characteristic of the first...