Average Co-Inventor Count = 9.16
ph-index = 3
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. Harley-davidson Motor Company Group, LLC (3 from 273 patents)
2. Dr. Ing. H.c. F. Porsche Aktiengesellschaft (1 from 4,052 patents)
4 patents:
1. 8720402 - Internal combustion engine
2. D498182 - Portion of a motorcycle frame
3. D482300 - Motorcycle
4. D462638 - Motorcycle