ALEXANDRIA, Va., April 21 -- United States Patent no. 12,610,551, issued on April 21, was assigned to Kioxia Corp. (Tokyo).

"Semiconductor storage device" was invented by Go Oike (Mie Mie, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A semiconductor storage device includes a base body, a stacked body, a plurality of columns, and a plurality of first contacts. The base body includes a substrate, a semiconductor element on the substrate, a lower wiring layer above the semiconductor element in a thickness direction of the base body and connected to the semiconductor element, and a lower conductive layer above the lower wiring layer in the thickness direction. The stacked body is above the lower conducti...