ALEXANDRIA, Va., June 16 -- United States Patent no. 12,308,736, issued on May 20, was assigned to LITE-ON TECHNOLOGY Corp. (Taipei, Taiwan).

"Power factor correction circuit" was invented by Te-Hung Yu (Taipei, Taiwan), Yu-Cheng Lin (Taipei, Taiwan), Min-Hao Hsu (Taipei, Taiwan) and Chia-Hui Liang (Taipei, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A power factor correction circuit includes a first switch, a second switch, a third switch, a fourth switch, a fifth switch, a sixth switch, a seventh switch, a first inductance coil, a second inductance coil, a first capacitor, and a second capacitor. The first switch is connected to the second switch, the third switch, and the first inductance coil. ...