ALEXANDRIA, Va., June 4 -- United States Patent no. 12,324,154, issued on June 3, was assigned to Lodestar Licensing Group LLC (Evanston, Ill.).

"Microelectronic devices including pillars with partially-circular upper portions and circular lower portions, and related methods" was invented by Matthew J. King (Boise, Idaho), David A. Daycock (Boise, Idaho), Yoshiaki Fukuzumi (Tokyo), Albert Fayrushin (Boise, Idaho), Richard J. Hill (Boise, Idaho), Chandra S. Tiwari (Boise, Idaho) and Jun Fujiki (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "Microelectronic devices include a stack structure comprising a vertically alternating sequence of insulative structures and conductive structures arranged in tiers. ...