Average Co-Inventor Count = 7.47
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. Fichtel & Sachs Ag (2 from 558 patents)
2 patents:
1. 5553695 - Friction clutch for a transmission of a motor vehicle and a friction
2. 4301205 - Device for fastening objects on a flat support member