Average Co-Inventor Count = 2.25
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)
3 patents:
1. 5560121 - Energy-efficient process for treating an object with a hot air flow and
2. 5133372 - Hot air hair curling apparatus
3. 4971081 - Hair curling rod having retractable bristles