Average Co-Inventor Count = 4.05
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. Beauty & Business S.p.a. (5 from 10 patents)
2. Alfa Parf Group S.p.a. (1 from 3 patents)
6 patents:
1. 11517514 - Resorcinol-free hair colouring compositions
2. 11497698 - Hair colouring compositions
3. 11285091 - M-aminophenol-free hair-colouring compositions
4. 11160737 - Keratin fiber dyeing composition
5. 10639257 - Composition for colouring keratin fibres
6. 9901529 - Hair color composition