Average Co-Inventor Count = 3.27
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. Fichtel & Sachs Ag (1 from 558 patents)
3. Ze Friedrichshafen Ag (1 from 1 patent)
3 patents:
1. 10359081 - Clutch disk for a motor vehicle
2. 10302147 - Clutch disk for a motor vehicle
3. 5911628 - Flywheel device with a seal for a grease chamber