ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,416,509, issued on Sept. 16, was assigned to Shenzhen Yinwang Intelligent Technologies Co. Ltd. (Shenzhen, China).

"Map construction method for autonomous driving and related apparatus" was invented by Minzhen Li (Shanghai), Cheng Chen (Shenzhen, China) and Ling Cheng (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A map construction method and a related apparatus are provided. The method includes: obtaining, based on manual driving track data and/or an obstacle grid map, road information, intersection information, and lane information of a region through which a vehicle has traveled; obtaining road traffic direction information based o...