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. Texaco Inc. (2 from 3,161 patents)
2 patents:
1. 5512190 - Lubricating oil composition providing anti-wear protection
2. 5292443 - Process for producing neutralized sulfurized alkylphenate lubricant