Average Co-Inventor Count = 2.40
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. Freeport Mcmoran Resource Partners (2 from 5 patents)
2. Richard L. Balser (0 patent)
3. Charles W. Weston (0 patent)
4. Allen R. Sutton (0 patent)
2 patents:
1. 5024689 - Nitrogen fertilizer
2. 4994100 - Homogeneous granular nitrogen fertilizer