Average Co-Inventor Count = 6.00
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. 12221888 - Ventilation method for high gas working face based on alternating intake and air return in mine gallery