Average Co-Inventor Count = 5.29
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. Speedinnov (3 from 17 patents)
2. Alstom Transport Technologies (234 patents)
3 patents:
1. 11772686 - Terrace railway car
2. 11608090 - Terrace railway car
3. 11364939 - Pneumatic suspension for railway vehicle