Average Co-Inventor Count = 2.00
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 Des Poudres Et Explosifs (1 from 212 patents)
2. Cesa-compagnie Europeenne De Sieges Pour Automobiles (1 from 16 patents)
2 patents:
1. 5159726 - Controlled-rigidity supporting element
2. 4045830 - System of protection by modeling