Average Co-Inventor Count = 3.31
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 (2 from 30,028 patents)
2. Siemens Mobility Gmbh (2 from 435 patents)
4 patents:
1. 11124213 - Method for securing a level crossing, and stationary control device for a train control system
2. 10933897 - Method and arrangement for securing a railroad crossing
3. 9493176 - Method for operating a railway safety system, and railway safety system
4. 9308832 - Method for operating railbound vehicles