Average Co-Inventor Count = 3.00
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. Vallourec (2 from 34 patents)
2 patents:
1. 4486227 - Manufacture of a composite tubular product
2. 4364770 - Manufacture of a composite tubular product