Average Co-Inventor Count = 3.43
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. Union Carbide Corporation (1 from 2,921 patents)
2. U.S. Vanadium Corporation (1 from 4 patents)
2 patents:
1. 4666512 - Method for recovering vanadium from vanadium-containing ore
2. 4230677 - Recovery of Cr.sub.2 O.sub.3 from a chromium bearing solution