Average Co-Inventor Count = 2.40
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. Eastman-kodak Company (2 from 21,595 patents)
2 patents:
1. 4892804 - Photographic color developing compositions which are especially useful
2. 4029504 - Photographic image transfer elements containing neutralizing layers