ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,418,309, issued on Sept. 16, was assigned to Kioxia Corp. (Tokyo).

"Code table generation device, memory system, and code table generation method" was invented by Sho Kodama (Yokohama Kanagawa, Japan) and Masato Sumiyoshi (Yokohama Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "According to one embodiment, a code table generation device includes a frequency table generation unit, a frequency sorting unit, and a Huffman tree generation unit. The frequency table generation unit generates a frequency table including entries each including a symbol and a frequency of occurrence, based on a frequency of occurrence for each symbol of input sy...