ALEXANDRIA, Va., March 5 -- United States Patent no. 12,240,444, issued on March 4, was assigned to ISUZU MOTORS Ltd. (Yokohama, Japan).

"Drive assistance device and drive assistance method" was invented by Wasantha Oshita (Fujisawa, Japan), Masaichi Takahashi (Fujisawa, Japan) and Shinichiro Fukazawa (Fujisawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "This drive assistance device comprises an ACC unit, an abnormality detection unit for detecting an abnormality from a detector used to perform ACC, and a vehicle stop control unit for performing control to stop an ego vehicle when an abnormality is detected by the abnormality detection unit and an inter-vehicle distance to a preceding vehicle satis...