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. Elf Aquitaine Production (1 from 58 patents)
2. Elf Exploration Production (1 from 49 patents)
2 patents:
1. 6125203 - Method for automatically determining stratification beds in a site
2. 6011557 - Method for obtaining a representation of a geological structure