Average Co-Inventor Count = 3.69
ph-index = 3
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. Roche Vitamins Inc. (4 from 173 patents)
4 patents:
1. 6338838 - Photostable cosmetic light screening compositions
2. 6165451 - Cosmetic light screening composition
3. 6069170 - Light screening compounds and compositions
4. 5985251 - Light screening compositions