ALEXANDRIA, Va., June 2 -- United States Patent no. 12,645,558, issued on June 2, was assigned to NTT Inc. (Tokyo).
"Classification device, classification method, and classification program" was invented by Yuki Urabe (Musashino, Japan), Kimio Tsuchikawa (Musashino, Japan), Fumihiro Yokose (Musashino, Japan), Ryo Uchida (Musashino, Japan) and Sayaka Yagi (Musashino, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A classification device includes processing circuitry configured to acquire an operation log related to operation information and identify each operation performed by a user using the operation log, create a vector of each operation based on a co-occurrence relationship between operations ident...