Average Co-Inventor Count = 7.22
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. Wella Germany Gmbh (2 from 9 patents)
2. Wella International Operations Switzerland Sarl (10 patents)
2 patents:
1. 12383482 - Hair coloring compositions
2. 12364657 - Method for coating keratin fibers