Average Co-Inventor Count = 3.75
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. Texaco Inc. (1 from 3,161 patents)
2. Star Enterprise (1 from 4 patents)
2 patents:
1. 5855767 - Hydrorefining process for production of base oils
2. 5292426 - Wax conversion process