ALEXANDRIA, Va., April 21 -- United States Patent no. 12,609,239, issued on April 21.

"Magnetic coupling coil optimization method, device, computer equipment and storage medium" was invented by Xiangyu Tan (Kunming, China), Wenyun Li (Kunming, China), Gang Ao (Kunming, China), Xiaowei Xu (Kunming, China), Yong Lu (Kunming, China), Wenbin Zhang (Kunming, China) and Shan Wang (Kunming, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "This application proposes a magnetic coupling coil optimization method. The method comprises: calculating an equivalent magnetic permeability of a magnetic coupling coil based on an air gap length of the magnetic coupling coil; calculating an effective cross-sectional area of ...