Average Co-Inventor Count = 1.33
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. The Procter Gamble Company (1 from 17,167 patents)
2. Wella Gmbh (1 from 5 patents)
2 patents:
1. 8904663 - Hand hair dryer with two handle grips
2. 8104178 - Cutting head for an electric hair cutting machine