ALEXANDRIA, Va., June 9 -- United States Patent no. 12,289,907, issued on April 29, was assigned to WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY Co. LTD. (Wuhan, China).

"Vertical inverter and semiconductor device" was invented by Fei Al (Wuhan, China) and Dewei Song (Wuhan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides a vertical inverter and a semiconductor device including the vertical inverter, and the vertical inverter includes an insulation substrate, a first thin film transistor, and a second thin film transistor. By a layered arrangement of the first and second thin film transistors of the vertical inverter, more thin film transistors can be arranged within the l...