Average Co-Inventor Count = 5.06
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 (3 from 3,427 patents)
3 patents:
1. 8960396 - Torsional vibration damping arrangement, particularly for the power train of a vehicle
2. 8313385 - Torsional vibration damper arrangement
3. 8113325 - Hydrodynamic clutch arrangement