ALEXANDRIA, Va., April 15 -- United States Patent no. 12,603,564, issued on April 14, was assigned to Sync Power Corp. (Taipei City, Taiwan).

"Power converter and controlling method thereof" was invented by Hsian-Pei Yee (Taipei City, Taiwan), Ya-Wu Chung (Taipei City, Taiwan), Chun-Jen Huang (Taipei City, Taiwan), Li-Min Huang (Taipei City, Taiwan) and Eric Shuzhen Yee (Taipei City, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A controlling method of a power converter includes performing a first switch controlling step and a second switch controlling step. The first switch controlling step is performed to control a primary switch of the power converter by a first controlling signal. The second swit...