CC

Changqing Cai

NM National Institute Of Metrology: 3 patents #1 of 28Top 4%
Overall (All Time): #1,404,772 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11835378 Automatic large-mass-weight handling system Xiaoping Ren, Jian Wang, Tao Li, Manhong Hu, Xiang Wang +1 more 2023-12-05
10378950 High accuracy measuring device for measuring large mass Jian Wang, Xiaoping Ren, Tao Li, Manhong Hu, Xiaolei Wang +3 more 2019-08-13
10274362 Measuring device for measuring large mass with optical refraction and displacement measuring Jian Wang, Xiaoping Ren, Tao Li, Manhong Hu, Xiaolei Wang +3 more 2019-04-30