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. Taiyuan University of Technology (1 from 136 patents)
1 patent:
1. 12098637 - I-patterned filling method for initial stage of coal mining based on roof fracture feature characteritics