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 Mobility Gmbh (3 from 438 patents)
3 patents:
1. 12384436 - Device and method for detecting an obstruction of a railroad crossing gate
2. 11724722 - Attachment mounting apparatus for a railroad coupler
3. 11584409 - Railroad color light signals including wind reduction elements