Average Co-Inventor Count = 3.43
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. Color Access, Inc. (1 from 78 patents)
2. E-l Management Corporation (1 from 66 patents)
2 patents:
1. 6497887 - Membrane delivery system
2. 6017549 - Non-irritating cosmetic and pharmaceutical compositions