Average Co-Inventor Count = 1.54
ph-index = 4
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. Piaggio&c. S.p.a. (4 from 234 patents)
2. Piaggo & C. S.p.a. (1 from 2 patents)
5 patents:
1. D940009 - Motorcycle
2. D902083 - Motorcycle
3. D870599 - Quadricycle
4. D694154 - Motorcycle
5. D662860 - Motor scooter