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. E.i. Dupont De Nemours and Company (2 from 16,338 patents)
2 patents:
1. 5279897 - Carpet yarn having hollow filament cross-sections containing four
2. 5190821 - Hollow filament cross-sections containing four continuous voids