Average Co-Inventor Count = 3.20
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. Mannesmann Sachs Ag (2 from 353 patents)
2. Zf Friedrichshafen Ag (3,448 patents)
2 patents:
1. 6215213 - Drive arrangement for a motor vehicle
2. 5967281 - Friction clutch