ALEXANDRIA, Va., April 15 -- United States Patent no. 12,602,542, issued on April 14, was assigned to IMatrix Holdings Corp. (Kawasaki, Japan).

"Text analysis system, and characteristic evaluation system for message exchange using the same" was invented by Hibiki Oka (Kanagawa, Japan), Mitsuo Kojima (Tokyo) and Akira Nakahashi (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Aspects of this disclosure provide a device, system, and method for analyzing text. In an embodiment, a system is configured to convert characters of the text into a numerical time series signal. The numerical time series signal includes a time series conversion of the characters in numerical format. The system is further ...