Average Co-Inventor Count = 13.00
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 Petroleum (1 from 406 patents)
2. Beijing Shida Rongzhi Sci. and Tech. Ltd. Co. (1 from 1 patent)
1 patent:
1. 10801943 - Apparatus and method for measuring apparent permeability of tight rock core