Average Co-Inventor Count = 1.64
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. Sirius Xm Radio Inc. (3 from 133 patents)
3 patents:
1. 8606231 - Proprietary radio control head with authentication
2. 8538388 - Wireless satellite digital audio radio service (SDARS) head unit with portable subscription and cell phone abilities
3. 8355686 - Radio preset key assignment method and apparatus