ALEXANDRIA, Va., June 19 -- United States Patent no. 12,334,223, issued on June 17, was assigned to NIPPON TELEGRAPH AND TELEPHONE Corp. (Tokyo).

"Learning apparatus, mental state sequence prediction apparatus, learning method, mental state sequence prediction method and program" was invented by Shuhei Yamamoto (Tokyo), Hiroyuki Toda (Tokyo), Takeshi Kurashima (Tokyo) and Tomu Tominaga (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A learning device includes: a psychological state data preprocessing unit that calculates a duration of a psychological state from psychological state sequence data, and generates preprocessed psychological state sequence data including the psychological state and the durat...