Average Co-Inventor Count = 5.22
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. Sirius Xm Radio Inc. (4 from 133 patents)
4 patents:
1. 9406225 - Traffic data services without navigation system
2. 9151624 - Data services via receivers independent of navigation systems
3. 8868321 - Traffic data services without navigation systems
4. 8396651 - Traffic data services without navigation systems