SL

Shengjun Li

PL Petrochina Company Limited: 1 patents #264 of 890Top 30%
Overall (All Time): #928,458 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
D1053909 Network video recorder 2024-12-10
D1025180 Dome camera 2024-04-30
D1003261 Network video recorder 2023-10-31
D984510 Monitoring camera 2023-04-25
11402530 Method for acquiring converted wave, electronic device and readable storage medium Jianhu Gao, Xueshan Yong, Shian Shen, Bingyang Liu, Jinyong Gui 2022-08-02