Average Co-Inventor Count = 1.29
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. E.i. Dupont De Nemours and Company (3 from 16,338 patents)
3 patents:
1. 4755447 - Enhanced radiographic image capture using a wide-dynamic-range film
2. 4496652 - Silver halide crystals with two surface types
3. 4263359 - Charge receptor film for charge transfer imaging