ALEXANDRIA, Va., July 15 -- United States Patent no. 12,663,939, issued on June 23, was assigned to KIOXIA Corp. (Tokyo).
"Method for tiering data based on read frequency" was invented by Keigo Honda (Yokohama Kanagawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A storage device includes a non-volatile memory, and a controller. The non-volatile memory includes a first region including first data readable with a number of voltage application times being equal to one or two, and a second region including second data readable with a number of voltage application times being equal to or more than three. The controller includes read frequency information. The controller is configured to control writing,...