Average Co-Inventor Count = 2.40
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 (2 from 29 patents)
2. Elf France (1 from 113 patents)
3 patents:
1. 5612272 - Method of producing an active composite
2. 5569534 - Reactant in the form of granules for thermochemical systems
3. 5156414 - System for controlling the geometry of a vehicle wheel