Average Co-Inventor Count = 3.00
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. Alfa Lancia Industriale S.p.a. (2 from 16 patents)
2. Faital S.p.a. (0 patent)
2 patents:
1. 4920944 - Ignition device for an internal combustion engine with two spark plugs
2. 4889086 - Automatic timing variation device for an internal combustion engine