Average Co-Inventor Count = 1.60
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 (1 from 353 patents)
2. Zf Sachs Ag (1 from 141 patents)
3. Zf Friedrichshafen Ag (3,429 patents)
2 patents:
1. 6581734 - Damping valve for a shock absorber
2. 6401755 - Damping valve