ALEXANDRIA, Va., June 10 -- United States Patent no. 12,293,787, issued on May 6, was assigned to KIOXIA Corp. (Tokyo).
"Memory system" was invented by Tokumasa Hara (Kawasaki, Japan) and Noboru Shibata (Kawasaki, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A memory system has a nonvolatile memory which comprises memory cells capable of storing 4-bit data of first to fourth bits by sixteen threshold regions including a first threshold region corresponding to an erased state and second to sixteenth threshold regions having higher voltage levels than a voltage level of the first threshold region corresponding to a written state; and a controller which causes the nonvolatile memory to execute a first p...