ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,787,400, issued on Nov. 3, was assigned to SAMSUNG ELECTRONICS Co. Ltd. (Suwon-si, South Korea).

"Semiconductor device" was invented by Hojun Kim (Suwon-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A semiconductor device includes a semiconductor layer including first conductivity-type impurities; first active structures extending upwardly from the semiconductor layer and including the first conductivity-type impurities; an epitaxial layer in the semiconductor layer and including second conductivity-type impurities; second active structures extending upwardly from the epitaxial layer, between the first active structures in a first direct...