ALEXANDRIA, Va., June 16 -- United States Patent no. 12,304,392, issued on May 20, was assigned to ISUZU MOTORS Ltd. (Yokohama, Japan).

"Vehicle rearward monitoring system and vehicle rearward monitoring method" was invented by Ryuta Tsuda (Fujisawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A vehicle rearward monitoring system includes: a lower camera that captures a road surface behind the truck; an upper camera disposed above the lower camera in the truck to capture the road surface behind the truck; a conversion unit that converts lower and upper camera images G1 and G2 captured by the lower and upper cameras into lower and upper bird's-eye views T1 and T2; an object detection unit that compar...