ALEXANDRIA, Va., June 17 -- United States Patent no. 12,315,558, issued on May 27, 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 uses semiconductor elements. By controlling voltages applied to plate lines, word lines, source lines, and bit lines, the memory device performs a data write operation of holding positive hole groups formed by an impact ionization phenomenon or by a gate-induced drain leakage current in a semiconductor base material, and a data erase operation of removing positive hole groups from inside the semicon...