ALEXANDRIA, Va., July 28 -- United States Patent no. 12,694,908, issued on July 28, was assigned to Kioxia Corp. (Tokyo).
"Semiconductor memory device" was invented by Takafumi Masuda (Kawasaki Kanagawa, Japan), Mutsumi Okajima (Yokkaichi Mie, Japan), Nobuyoshi Saito (Tokyo) and Keiji Ikeda (Kawasaki Kanagawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A semiconductor memory device includes: a first via-wiring extending in a first direction; first semiconductor layers arranged in the first direction and electrically connected to the first via-wiring; memory portions arranged in the first direction and electrically connected to the first semiconductor layers; first gate electrodes arranged in the fi...