Average Co-Inventor Count = 2.40
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. Wella Aktiengesellschaft (3 from 433 patents)
2. Ondal Holding Gmbh (1 from 10 patents)
3. Hfc Prestige International Holding Switzerland S.a.r.l (2 patents)
4 patents:
1. 7639929 - Device comprising a boiler for generating steam
2. 7628360 - Stand with a securing device
3. 7260900 - Power supply independent device for producing a hot air flow
4. 6606800 - Electric hair treatment appliance