ALEXANDRIA, Va., Sept. 3 -- United States Patent no. 12,406,780, issued on Sept. 2, was assigned to WELL ASCENT ELECTRONIC (GANZHOU) Co. LTD. (Jiangxi, China).

"Insulated wire and preparation method thereof, coil and electronic/electrical device" was invented by Huimin Ye (Jiangxi, China), Yuejia Zhu (Jiangxi, China) and Zuomao Zhu (Jiangxi, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "An insulated wire and a preparation method thereof, a coil and an electronic/electrical device are provided. The insulated wire includes a conductor and an insulating layer at the periphery of the conductor. The cross section of the conductor is rectangular, a sunken part is formed in the insulating layer on at least o...