Average Co-Inventor Count = 2.40
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. Zf Friedrichshafen Ag (2 from 3,437 patents)
2 patents:
1. 5967918 - Regulating system for a continuously variable transmission (CVT)
2. 5947862 - Device for controlling the gear ratio of a continuously variable