SJ

Shaojun Ji

CO China National Offshore Oil: 1 patents #30 of 142Top 25%
CL China Oilfield Services Limited: 1 patents #31 of 78Top 40%
📍 Xiong County, CN: #21 of 39 inventorsTop 55%
Overall (All Time): #3,136,929 of 4,157,543Top 80%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8899333 Submarine device Yongfeng Guo, Changquan Tang 2014-12-02