Average Co-Inventor Count = 1.00
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. Societe Nationale Elf Aquitaine (1 from 235 patents)
2. Societe Nationale Elf Aquitaine (production) (1 from 215 patents)
2 patents:
1. 5268994 - Method of plotting surfaces in a 3D volume
2. 5148494 - Process for automatic plotting and assistance interpretation of seismic