Average Co-Inventor Count = 3.00
ph-index = 5
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. Helena Rubinstein, Inc. (5 from 18 patents)
5 patents:
1. 4159318 - Oil-free liquid medicated makeup
2. 4148875 - Visible action gel toner
3. 4136166 - Skin lightening composition
4. 4129645 - Sunscreen compositions
5. 4087555 - Skin cream containing milk protein