Average Co-Inventor Count = 2.73
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 (2 from 192 patents)
2. Alstom Transport Sa (2 from 85 patents)
3. Alstom Transport Technologies (1 from 234 patents)
5 patents:
1. 10507848 - Railway vehicle with a movable, vertical gap bridging entry threshold
2. 8381659 - Railway vehicle comprising pivoting bogies
3. 8365675 - Railway vehicle comprising pivoting end bogies
4. 6497183 - Inflatable air bag release and membrane protection device
5. 6454326 - Device for protecting a vehicle against impact