ALEXANDRIA, Va., March 26 -- United States Patent no. 12,260,909, issued on March 25, was assigned to SK hynix Inc. (Icheon, South Korea), FOUNDATION FOR RESEARCH AND BUSINESS, SEOUL NATIONAL UNIVERSITY OF SCIENCE AND TECHNOLOGY (Seoul, South Korea) and INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY ERICA CAMPUS (Ansan, South Korea).

"Method of operating selector device, method of operating nonvolatile memory apparatus using the same, electronic circuit device including selector device, and nonvolatile memory apparatus" was invented by Tae Jung Ha (Icheon, South Korea), Soo Gil Kim (Icheon, South Korea), Jeong Hwan Song (Icheon, South Korea), Byung Joon Choi (Seoul, South Korea) and Ha Young Lee (Seoul, South Korea).

Accord...