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. Gec Alsthom Transport Sa (1 from 72 patents)
2. Societe Anonyme Dite:alsthom (1 from 22 patents)
2 patents:
1. 5407032 - Braking system for a rail vehicle using materials based on carbon
2. 4850652 - Feed circuit for railway braking systems