Average Co-Inventor Count = 1.82
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. Siemens Aktiengesellschaft (4 from 30,040 patents)
4 patents:
1. 8764526 - Air duct system for vehicles, in particular for rail vehicles for passenger traffic
2. 8514228 - Method for the visual display of the quality of power transmitted on a power transmission system
3. 7959220 - Vehicle for conveying passengers with a firewall
4. 7343207 - Method for the operation of an electronic device