Average Co-Inventor Count = 8.00
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 University of Mining and Technology (1 from 355 patents)
1 patent:
1. 12241340 - Coal and coalbed methane mining system based on ground drilling, method and related device