Average Co-Inventor Count = 4.29
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 3,448 patents)
2. Fichtel & Sachs Ag (1 from 558 patents)
3 patents:
1. 7650975 - Clutch disk arrangement for a multi-disk clutch
2. 7635056 - Pressure plate assembly, clutch disk arrangement, and friction clutch, especially a multi-disk clutch
3. 5884741 - Friction clutch for a motor vehicle with wear adjustment