Average Co-Inventor Count = 4.44
ph-index = 2
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 Aktiengesellschaft (2 from 433 patents)
2 patents:
1. 7125427 - Coloring agent for keratin fibers
2. 5542953 - 5-halogen-2,4-Bis (alkylamino)-1-alkylbenzenes and hair dye compositions