ALEXANDRIA, Va., June 25 -- United States Patent no. 12,340,934, issued on June 24, was assigned to TDK Corp. (Tokyo).
"Common mode filter" was invented by Toshio Tomonari (Tokyo), Tsutomu Kobayashi (Tokyo), Kazunori Arimitsu (Tokyo) and Yuma Komaya (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A device includes a core having a first end and a second end, and first and second wires wound around the core, where the core has first, second, and third sections, the second section being arranged between the first and third sections. Each of the first and second wires includes an ith turn located on the first section, a jth turn located on the second section, and a kth turn located on the third section. Th...