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. Siemens Ag Oesterreich (1 from 21 patents)
2. Siemens Ag Osterreich (66 patents)
1 patent:
1. 9446710 - Rail vehicle emergency lighting