Average Co-Inventor Count = 7.00
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. Chang'an University (1 from 42 patents)
2. Institute of Geographic Sciences and Natural Resources Research, Cas (1 from 2 patents)
1 patent:
1. 12124000 - In-situ shear test device for holes in rock-soil mass