Average Co-Inventor Count = 3.60
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. Minnesota Mining and Manufacturing Company (3 from 7,865 patents)
3 patents:
1. 6197485 - Photographic assemblage comprising a silver halide photographic element sealed in a closed vessel
2. 5441860 - Silver halide photographic material having improved antistatic properties
3. 5248838 - Process for preparing bisphenol fluorene compounds