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. Freeport-mcmoran Corporation (2 from 60 patents)
2 patents:
1. 4961777 - Pretreatment/agglomeration as a vehicle for refractory ore treatment
2. 4919715 - Treating refractory gold ores via oxygen-enriched roasting