Average Co-Inventor Count = 3.00
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 (2 from 72 patents)
2. Alstom (192 patents)
2 patents:
1. 6067496 - Automatic driver system, and a method of generating a speed reference in
2. 5696682 - Automatic driver system and a method of generating an acceleration