Average Co-Inventor Count = 6.46
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. Mannesmann Sachs Ag (3 from 353 patents)
2. Zf Friedrichshafen Ag (1 from 3,428 patents)
4 patents:
1. 7699150 - Hydrodynamic clutch device
2. 6585091 - Torsional vibration damper
3. 6553758 - Freewheel unit, especially for the stator of a hydrodynamic torque converter
4. 6527094 - Freewheel arrangement, in particular for a guide wheel of a hydrodynamic torque converter