ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,394,875, issued on Aug. 19, was assigned to Fujikura Ltd. (Tokyo).

"Filter device comprising a substrate having strip-shaped conductors and ground recesses of lengths longer than the strip-shaped conductors" was invented by Yusuke Uemichi (Sakura, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "This invention can reduce the size of a filter device as compared to a conventional filter device having the same coupling degree. A filter device (1) includes: a substrate (11); strip-shaped conductors (12a1 to 12a5); and a ground conductor layer (13), an area facing an area interposed between adjacent ones of the strip-shaped conductors (between 12a1 and 1...