ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,468,804, issued on Nov. 11, was assigned to NIPPON TELEGRAPH AND TELEPHONE Corp. (Tokyo).
"Data classification device, data classification method, and data classification program" was invented by Toshiki Shibahara (Musashino, Japan), Daiki Chiba (Musashino, Japan), Mitsuaki Akiyama (Musashino, Japan) and Kunio Hato (Musashino, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A data classification device includes: a known data input unit that receives an input of known data, the known data being data already classified into a class and a subclass subordinate to the class; a feature extraction unit that extracts, from features included in the known da...