ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,479,481, issued on Nov. 25, was assigned to Mitsubishi Electric Corp. (Tokyo).

"Obstacle detection device and obstacle detection method" was invented by Masashi Tomida (Tokyo), Yukitoshi Inaba (Tokyo), Keita Mochizuki (Tokyo) and Yasuhito Hashiba (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "An obstacle detection device includes: a sensor unit including a camera, a laser distance measuring device, and an optical element, and setting optical axes of the camera and the laser distance measuring device to an optical axis in the same direction using the optical element; a monitoring area control unit calculating a monitoring area to be monitored by t...