ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,743,869, issued on Sept. 22, was assigned to NEC Corp. (Tokyo).

"Class boundary detection apparatus, control method, and non-transitory computer-readable medium" was invented by Kenta Ishihara (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A class boundary detection apparatus (2000) acquires target time-series data (10). The class boundary detection apparatus (2000) extracts a plurality of pieces of extracted time-series data from the target time-series data (10), and calculates a similarity between each piece of extracted time-series data and reference time-series data (30). The reference time-series data (30) is time-series data representing a...