Average Co-Inventor Count = 9.00
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. China Institute of Water Resources and Hydropower Research (1 from 49 patents)
1 patent:
1. 11585218 - Drilling device for surveying front rock-mass intactness of tunnel face for tunnel constructed by TBM and method using the same