ALEXANDRIA, Va., July 23 -- United States Patent no. 12,368,390, issued on July 22, was assigned to Delta Electronics Inc. (Taoyuan, Taiwan).

"Power converter and multi-level power conversion system" was invented by Hsin-Chih Chen (Taoyuan, Taiwan), Li-Hung Wang (Taoyuan, Taiwan), Chao-Li Kao (Taoyuan, Taiwan), Yi-Ping Hsieh (Taoyuan, Taiwan) and Hung-Chieh Lin (Taoyuan, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A power converter is provided. The power converter includes first to fourth switches electrically connected in series, a flying capacitor and a controller. Positive and negative terminals of the flying capacitor are electrically connected to the second and third switches respectively. The...