Average Co-Inventor Count = 3.00
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 (1 from 3,430 patents)
2. Zahnradfabrik Friedrichshafen, Ag. (1 from 416 patents)
2 patents:
1. 5566586 - Steering stick for switching or actuating components of a utility vehicle
2. 4360718 - Switching mechanism for fluid-operated gear shifters