ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,499,104, issued on Dec. 16, was assigned to TOYOTA JIDOSHA K.K. (Toyota, Japan).
"Map management system" was invented by Lei Zhong (Chuo-ku, Japan), Jing Ma (Yokohama, Japan), Xiao Shao (Kawasaki, Japan) and Ryokichi Onishi (Setagaya-ku, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A map management system includes a plurality of servers that manage map data of a predetermined area. The plurality of servers each include: a storage that records a block chain; and a processor that stores, in the block chain, map update data for updating the map data, the map update data being generated based on data collected from a plurality of vehicles traveling ...