Average Co-Inventor Count = 2.00
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. Gec Alsthom Transport Sa (1 from 72 patents)
2. Alstom Transport Sa (85 patents)
1 patent:
1. 5687071 - Voltage lowering device and asynchronous traction system supplied from a