Average Co-Inventor Count = 2.67
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 Friedrichshafen Ag (1 from 3,448 patents)
2. Zahnradfabrik Friedrichshafen, Ag. (1 from 416 patents)
2 patents:
1. 7801655 - Signal processing system with rapid signal processing
2. 5129474 - Steerable wheel axle for a motor vehicle