Average Co-Inventor Count = 3.43
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 (2 from 619 patents)
2 patents:
1. 8662034 - Multi-cylinder internal combustion engine with a system for variable actuation of the intake valves subdivided into separate sub-units
2. 6138621 - Internal combustion engine with variable valve actuation