ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,738,410, issued on Sept. 15, was assigned to Realtek Semiconductor Corp. (Hsinchu, Taiwan).

"Transformer device" was invented by Hsiao-Tsung Yen (Hsinchu, Taiwan) and Kuan-Yu Shih (Hsinchu, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A transformer device includes a first trace and a second trace. The first trace includes at least one first sub-trace. The at least one first sub-trace is located on a first layer. The second trace includes at least one second sub-trace and a third sub-trace. The at least one second sub-trace is located on the first layer, and disposed adjacent to the least one first sub-trace. The third sub-trace is located on a...