ALEXANDRIA, Va., July 30 -- United States Patent no. 12,374,769, issued on July 29, was assigned to KMW Inc. (Hwaseong-si, South Korea).
"Dielectric ceramic filter" was invented by Joung Hoe Kim (Hwaseong-si, South Korea) and Sang Yoong Kim (Hwaseong-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a dielectric ceramic filter including a dielectric block filled with a ceramic material and having an outer surface surrounded by a metal component, a resonance part provided in the dielectric block, having a space having a circular horizontal cross-section, and separated from the dielectric block by a metal film, and a tuning cover coupled to the dielectric block, co...