Average Co-Inventor Count = 2.00
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. Southwest University of Science and Technology (1 from 13 patents)
1 patent:
1. 11549222 - Vertical ground heat exchanger for reducing temperature in carbonaceous shale rock mass and preventing roadbed frost heave