Average Co-Inventor Count = 2.40
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. Alstom (1 from 192 patents)
2. Gec Alsthom Transport Sa (1 from 72 patents)
2 patents:
1. 6443510 - Device for protecting a vehicle against impact
2. 6158356 - Energy absorber device having a parallelepiped shape for absorbing