QQ

Qingjie Qi

Overall (All Time): #1,746,794 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11893325 Method and apparatus for setting evacuation exit under crowd emergency evacuation scenario Han-Wu Liu, Yue Zhang, Jingwen Zhang, Jiamei Chai 2024-02-06
11428101 Anti-seismic support method for mine shaft Anhu Wang, Wengang Liu, Haiyan Wang, Yingjie Liu, Youxin Zhao +1 more 2022-08-30