Average Co-Inventor Count = 2.40
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. Vae Aktiengesellschaft (2 from 18 patents)
2 patents:
1. 6371418 - Curve path of a switch, and track joint using this type of curve path
2. 5899417 - Device for securing stock rails in railway switches