ALEXANDRIA, Va., March 12 -- United States Patent no. 12,249,236, issued on March 11, was assigned to GRABTAXI HOLDINGS PTE. LTD. (Singapore).

"Processing apparatus and method for generating route navigation data" was invented by Abhinav Sunderrajan (Singapore), Jagannadan Varadarajan (Singapore), Robinson Immanuel Kudali (Singapore) and Xiaocheng Huang (Singapore).

According to the abstract* released by the U.S. Patent & Trademark Office: "A processing apparatus for generating route navigation data is provided, to, generate training data based on road network data corresponding to a network of roads in a defined geographical area, and journey data sets, each journey data set comprising data indicative of a journey by a road user through ...