ALEXANDRIA, Va., June 25 -- United States Patent no. 12,340,012, issued on June 24, was assigned to Nissan Motor Co. Ltd. (Kanagawa, Japan).

"Operation detection device and operation detection method" was invented by Masaki Okamoto (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An operation detection device includes a motion detection unit that detects a motion of an operator; a certainty level estimation unit; a sounds detection unit; and an operation determination unit. The certainty level estimation unit estimates a certainty level at predetermined time intervals based on the motion of the operator detected by the motion detection unit and acquires the certainty level with respect to a ch...