Average Co-Inventor Count = 2.40
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. Ferrania, S.p.a. (1 from 21 patents)
2. Tulalip Consultoria Comercial Sociedade Unipessoal S.a. (1 from 2 patents)
2 patents:
1. 6518005 - Silver halide multilayer color photographic material
2. 6045985 - Light-sensitive silver halide photographic elements containing yellow