Average Co-Inventor Count = 3.00
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. C.r.f. Societa Consortile Per Azioni (1 from 619 patents)
1 patent:
1. 5839400 - Internal combustion engine with variably actuated valves