Average Co-Inventor Count = 5.46
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. Chevron U.s.a. Inc. (2 from 2,442 patents)
2 patents:
1. 6468417 - Filtering lubricating oils to remove haze precursors
2. 6468418 - Sorbent treating of lubricating oils to remove haze precursors