Average Co-Inventor Count = 14.01
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. Southwest Petroleum University (1 from 320 patents)
1 patent:
1. 10233694 - Dynamic inwardly eccentrically-placed directional drill bit type rotation guidance apparatus