QD

Qingyun Di

IC Institute Of Geology And Geophysics, Cas: 1 patents #28 of 59Top 50%
Overall (All Time): #24,194 of 4,157,543Top 1%
77
Patents All Time

Issued Patents All Time

Showing 76–77 of 77 patents

Patent #TitleCo-InventorsDate
10025003 Calibration method under near-bit wireless short-transmission ground envrionment based on electric field theory Yuntao Sun, Wenxuan Chen, Wenxiu Zhang, Yongyou Yang, Jian Zheng 2018-07-17
9970288 Receiving apparatus for downhole near-bit wireless transmission Jian Zheng, Wenxuan Chen, Yuntao Sun, Wenxiu Zhang, Yongyou Yang 2018-05-15