Average Co-Inventor Count = 3.00
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. Siemens Aktiengesellschaft (1 from 30,069 patents)
1 patent:
1. 7394672 - Drive system for a vehicle moving along a trackway, particularly a magnetic levitation train