Average Co-Inventor Count = 3.00
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. Shell Oil Comapny (2 from 7,646 patents)
2 patents:
1. 4389221 - Gasoline composition and method for reducing fuel consumption
2. 4212751 - Dithiophosphoric acids and salts thereof and oil compositions containing