Average Co-Inventor Count = 1.20
ph-index = 3
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. Goldwell Gmbh (3 from 21 patents)
3 patents:
1. 5690129 - Treating hair with quaternized aminoalkyl dimethyl
2. 5658552 - Hair spray composition containing a water-dispersible silicone wax
3. 5618525 - Hair treatment composition