Average Co-Inventor Count = 3.60
ph-index = 3
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. The Welding Institute (3 from 39 patents)
3 patents:
1. 5469617 - Friction forming
2. 5460317 - Friction welding
3. 5170031 - Joining method