Average Co-Inventor Count = 2.86
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 patents:
1. 5828561 - Multi level power converter with self-correcting capacitor charge timing
2. 5706188 - Electronic circuit for converting electrical energy