Average Co-Inventor Count = 2.00
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. Magneti Marelli France (2 from 27 patents)
2 patents:
1. 5964194 - Inlet manifold with ringed air tubes for an internal combustion engine
2. 5896838 - Intake manifold for internal combustion engine