Inventor

ZHANG HAOCHENG

US2 patents

Patents

2 patents

US11847713B2Dec 19, 2023

Augmented passenger verification

BEIJING DIDI INFINITY TECHNOLOGY & DEV CO LTD0 citations56

US11488278B2Nov 1, 2022

Augmented passenger verification

BEIJING DIDI INFINITY TECHNOLOGY & DEV CO LTD0 citations56