Average Co-Inventor Count = 10.47
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 (2 from 321 patents)
2 patents:
1. 11441357 - Drilling platform for amphibious operations
2. 11047789 - Irregular rock sample high-pressure permeation device with adjustable flow direction and test method thereof