Average Co-Inventor Count = 4.00
ph-index = 1
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. Institut Francais Du Pe'trole (1 from 2,424 patents)
2. Aerospatiale (1 from 5 patents)
1 patent:
1. 5499661 - Tube comprising composite layers with different modulii of elasticity