Average Co-Inventor Count = 20.00
ph-index = 1
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Institute of Geology and Geophysics, Cas (1 from 8 patents)
2. Yunnan Dianzhong Water Diversion Engineering Co. (1 from 1 patent)
1 patent:
1. 12203899 - Sample mounting device for a direct tensile test of rock mass