Average Co-Inventor Count = 2.67
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. 7412781 - Device for a hot air shower
2. 6883237 - Device for cutting split ends used with electric hair clippers