Average Co-Inventor Count = 5.62
ph-index = 1
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. Zf Friedrichshafen Ag (1 from 3,427 patents)
2. Fichtel & Sachs Ag (1 from 558 patents)
3. Zf Sachs Ag (1 from 141 patents)
3 patents:
1. 10253844 - Torsional vibrating damping assembly, in particular mass damper unit
2. 7014025 - Pressure plate assembly for a friction clutch
3. 5743367 - Multiple plate friction clutch with axial stop