Average Co-Inventor Count = 5.00
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. The Procter Gamble Company (4 from 17,167 patents)
2. Wella Gmbh (5 patents)
4 patents:
1. 7658770 - Agents for coloring keratin fibers
2. 7658771 - Coloring agents for keratin fibers
3. 7513916 - Agents for coloring keratin fibers
4. 7513917 - Coloring agents for keratin fibers