US Patent Issued to TDK on March 17 for "Filter" (Japanese Inventors)

ALEXANDRIA, Va., March 17 -- United States Patent no. 12,580,289, issued on March 17, was assigned to TDK Corp. (Tokyo).

"Filter" was invented by Shuhei Sawaguchi (Tokyo), Tetsuzo Goto (Tokyo), Yuta Ashida (Tokyo), Masahiro Tatematsu (Tokyo), Keigo Shibuya (Tokyo) and Tomonori Terui (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A filter includes: a first ground conductor layer and a second ground conductor layer arranged to be spaced from each other, a resonator conductor layer arranged between the first ground conductor layer and the second ground conductor layer and constituting a part of a resonator, a through hole connecting the first ground conductor layers and the resonator conductor layer and ...