Average Co-Inventor Count = 10.00
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 (cumt) (1 from 285 patents)
1 patent:
1. 12091972 - Method and device for determining development status of separation layer of coal mine