ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,528,473, issued on Jan. 20, was assigned to Honda Motor Co. Ltd. (Tokyo).

"Information processing system, information processing method, and recording medium" was invented by Yusuke Muramatsu (Wako, Japan), Naohiro Sakamoto (Wako, Japan) and Hiroko Adachi (Wako, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An embodiment provides a state estimation device including: an acquisition unit configured to acquire a state variable including an observation value obtained by observing a steersman who steers an moving object; and an estimation unit including a state model having a correlation between the state variable and a cognitive load during steering ...