ALEXANDRIA, Va., March 26 -- United States Patent no. 12,261,174, issued on March 25, was assigned to UNIST(ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY) (South Korea).

"Transistor element, ternary inverter apparatus comprising same, and method for producing same" was invented by Kyung Rok Kim (Ulsan, South Korea), Jae Won Jeong (Seoul, South Korea), Young Eun Choi (Ulsan, South Korea) and Woo Seok Kim (Daegu, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A transistor device includes a substrate, a source region provided on the substrate, a drain region spaced apart from the source region in a direction parallel to a top surface of the substrate, a pair of constant current generating patte...