ALEXANDRIA, Va., March 17 -- United States Patent no. 12,576,895, issued on March 17, was assigned to HITACHI LTD. (Tokyo).

"Obstacle detection system, obstacle detection method, and self-location estimation system" was invented by Yukihiko Ono (Tokyo), Kenji Imamoto (Tokyo) and Jun Koike (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "An object of the present invention is to provide an obstacle detection system and an obstacle detection method for a trajectory traveling vehicle, which are capable of detecting a front obstacle on a trajectory and around the trajectory with high accuracy. The system includes: a monitoring area setting processing unit that sets an obstacle monitoring area for detecting a...