ALEXANDRIA, Va., July 23 -- United States Patent no. 12,367,923, issued on July 22, was assigned to UNISANTIS ELECTRONICS SINGAPORE PTE. LTD. (Singapore).
"Semiconductor element memory device" was invented by Koji Sakui (Tokyo) and Nozomu Harada (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A memory device includes pages each constituted by a plurality of memory cells arranged in columns on a substrate, voltages applied to a first gate conductor layer, a second gate conductor layer, a first impurity region, and a second impurity region in each memory cell included in each page are controlled to perform a page write operation of retaining a group of positive holes, generated by an impact ionization ph...