ALEXANDRIA, Va., June 17 -- United States Patent no. 12,315,544, issued on May 27, was assigned to UNISANTIS ELECTRONICS SINGAPORE PTE. LTD. (Singapore).
"Semiconductor-element-including memory device" was invented by Koji Sakui (Tokyo), Masakazu Kakumu (Tokyo) and Nozomu Harada (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A memory device includes pages arranged in a column direction and each constituted by memory cells arranged in a row direction in plan view on a substrate, each memory cell includes a semiconductor body, first and second impurity regions, and first and second gate conductor layers, and in a page read operation, a first refresh operation of increasing by an impact ionization phenom...