Average Co-Inventor Count = 5.33
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. Hercules Corporation (2 from 1,197 patents)
2. John A. Johnson (0 patent)
3. Vernon M. Benson (0 patent)
4. Dee R. Gill (0 patent)
5. Boyd L. Hatch (0 patent)
6. Brian Moloney (0 patent)
7. Keith G. Shupe (0 patent)
8. Noel I. Shepherd (0 patent)
9. William J. Weis (0 patent)
2 patents:
1. 5045147 - Filament winding system
2. 4867834 - Filament winding system