ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,475,960, issued on Nov. 18, was assigned to Kioxia Corp. (Tokyo).
"Semiconductor storage device" was invented by Ryota Hirai (Chigasaki Kanagawa, Japan) and Yasuhiro Shiino (Fujisawa Kanagawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A semiconductor storage device that is capable of improving reliability includes: a non-volatile memory provided with a block including a plurality of memory cell transistors connected to a word line; and a controller configured to monitor a threshold voltage distribution width of the plurality of memory cell transistors after performing at least one of an erasing operation on the block and a preliminary write o...