ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,771,308, issued on Oct. 20, was assigned to KOREA ELECTRONICS TECHNOLOGY INSTITUTE (Seongnam-si, South Korea).

"Millimeter-wave band LC filter" was invented by Jun Chul Kim (Seongnam-si, South Korea), Dong Su Kim (Seongnam-si, South Korea) and Je In Yu (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a millimeter-wave (mmWave) band LC filter that is applied to a high-frequency signal in a mmWave band. The mmWave band LC filter includes a first ground layer providing an electrical ground, a second ground layer, a via wall having an end connected to the first ground layer and another end connected to the second ground layer,...