ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,463,164, issued on Nov. 4, was assigned to Kioxia Corp. (Tokyo).
"Semiconductor memory device" was invented by Keisuke Nakatsuka (Kobe Hyogo, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A semiconductor memory device includes first and second memory cell arrays. The first array includes a first semiconductor portion, extending in a first direction, on which a first memory cell and a first select transistor are formed, a first word line connected to the first cell, a first select gate line connected to the first transistor, and a first bit line connected to the first semiconductor portion. The second array includes a second semiconductor portion, ...