Average Co-Inventor Count = 5.00
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. Alstom Transport Sa (1 from 85 patents)
1 patent:
1. 6236954 - Process for estimating the speed of a vehicle or of an assemblage of vehicles