ALEXANDRIA, Va., July 3 -- United States Patent no. 12,348,210, issued on July 1, was assigned to TDK Corp. (Tokyo).
"Multilayer filter" was invented by Masahiro Tatematsu (Tokyo), Yuta Ashida (Tokyo), Shuhei Sawaguchi (Tokyo), Keigo Shibuya (Tokyo), Tomonori Terui (Tokyo) and Tetsuzo Goto (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "In a multilayer filter, first and second resonant circuits are arranged in a direction crossing a stacking direction of a plurality of dielectric layers. An input/output portion includes an input/output port group including an unbalanced port and a pair of balanced ports or an input/output port group including two pairs of balanced ports. The second resonant circuit inc...