Average Co-Inventor Count = 3.50
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 (4 from 3,430 patents)
4 patents:
1. 10093163 - Drive module for a drive train of a hybrid vehicle
2. 9840139 - Structural unit for a hybrid powertrain
3. 9677623 - Structural unit for a drive train of a motor vehicle
4. 7219495 - Hydraulic cylinder