Average Co-Inventor Count = 2.00
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 Sachs Ag (1 from 141 patents)
2. Zf Friedrichshafen Ag (3,437 patents)
1 patent:
1. 7004296 - Torque transmission system for a vehicle