Average Co-Inventor Count = 2.00
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. Gaz De France (1 from 124 patents)
2. Societe Joseph Sauron Materiel Industriel (1 from 2 patents)
1 patent:
1. 5348459 - Portable device for straightening out tubes