Average Co-Inventor Count = 2.00
ph-index = 2
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. University of Southern California (2 from 1,628 patents)
2 patents:
1. 4522265 - Method for fracturing of oil shale
2. 4325433 - Pre-caustic flood treatment