Average Co-Inventor Count = 6.46
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. Mannesmann Sachs Ag (4 from 353 patents)
2. Zf Friedrichshafen Ag (3,428 patents)
4 patents:
1. 6662923 - Pressure plate assembly
2. 6588566 - Pressure plate assembly
3. 6588567 - Pressure plate assembly
4. 6202817 - Thrust plate assembly with means for securing against displacement