ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,530,432, issued on Jan. 20, was assigned to HITACHI LTD. (Tokyo).

"Model operation support system and method" was invented by Yoshiyuki Tajima (Tokyo), Daisuke Inaba (Tokyo) and Yoshinori Mochizuki (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system calculates an inter-distribution distance between target data and base data for each of one or more second periods in an entire period between an end time of a first period and a relearning timing of a learning model. For each second period, the target data is data for the second period in the entire data that is data for the entire period. The base data is data for the first period and is data re...