Average Co-Inventor Count = 3.33
ph-index = 4
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 (4 from 72 patents)
4 patents:
1. 5715757 - Impact-absorber devices, impact-absorption method, and framework and
2. 5660116 - Impact-absorber devices, impact-absorption method, and framework and
3. 5579699 - Impact-absorber devices, impact-absorption method, and framework and
4. 5462144 - Impact-absorber device