GENEVA, Oct. 18 -- CHANG'AN UNIVERSITY (Middle-Section of Nan'er Huan RoadXi'an, Shaanxi 710064), 长安大学 (中国陕西省西安市南二环中段) filed a patent application (PCT/CN2024/144303) for "VEHICLE POSITIONING METHOD AND SYSTEM IN WEAK GNSS ENVIRONMENT" on Dec 31, 2024. With publication no. WO/2025/213885, the details related to the patent application was published on Oct 16, 2025.

Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is managed by the World Intellectual Property Organization (WIPO).

Inventor(s): MIN, Haigen (Middle-Section of Nan'er Huan RoadXi'an, Shaanxi 710064), ...