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. Regie Autonome Des Transports Parisiens (2 from 13 patents)
2. Alstom (1 from 192 patents)
3. Spie Batignolles (1 from 18 patents)
2 patents:
1. 7258309 - Automatic and guided system for transporting people and method for controlling transport modules running in such a system
2. 4847894 - Device for aiding maintenance of an electromechanical installation