Average Co-Inventor Count = 3.43
ph-index = 1
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 21,594 patents)
2 patents:
1. 6130032 - Photographic elements containing improved yellow dye-forming couplers
2. 5576150 - Photographic dye-forming coupler, emulsion layer, element, and process