ALEXANDRIA, Va., Oct. 27 -- United States Patent no. 12,774,012, issued on Oct. 27, was assigned to Nissan North America Inc. (Franklin, Tenn.).

"Evidence grid for vehicle navigation" was invented by Qizhan Tam (San Jose, Calif.), Manh Huynh (Sunnyvale, Calif.), Huiching Chen (San Jose, Calif.), Drew Steeves (San Lorenzo, Calif.), Derek Lau (San Francisco) and Christopher Ostafew (Mountain View, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An evidence grid is established in a map frame based on the vehicle's pose. Hazard data is accumulated in the evidence grid by gathering visible grid cells, each associated with a visibility probability indicating a history of visibility determinations, and accumu...