Average Co-Inventor Count = 1.86
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. Dr. Ing. H.c. F. Porsche Aktiengesellschaft (3 from 4,045 patents)
2. Zf Friedrichshafen Ag (1 from 3,427 patents)
3 patents:
1. 10040441 - Hybrid vehicle
2. 8757305 - Hybrid drive arrangement
3. 7736255 - Drive device for at least one machine auxiliary unit