Inventor
RUAN ZHIWEI
CN3 patents
Patents
3 patentsUS12260585B2Mar 25, 2025
Systems and methods for visual positioning
BEIJING DIDI INFINITY TECHNOLOGY & DEV CO LTD0 citations44
US11841241B2Dec 12, 2023
Systems and methods for updating a 3D model of building
BEIJING DIDI INFINITY TECHNOLOGY & DEV CO LTD0 citations44
US11965744B2Apr 23, 2024
Systems and methods for indoor positioning
BEIJING DIDI INFINITY TECHNOLOGY & DEV CO LTD0 citations40