Average Co-Inventor Count = 2.61
ph-index = 22
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. Motorola Corporation (24 from 20,290 patents)
2. Xm Satellite Radio Inc. (10 from 64 patents)
3. Sirius Xm Radio Inc. (6 from 133 patents)
40 patents:
1. 11195195 - Systems, methods and applications for using and enhancing vehicle to vehicle communications, including synergies and interoperation with satellite radio
2. 10567471 - Systems and methods for cost effective distribution of files to user devices using combination of broadcast and two-way communication paths
3. 10354265 - Systems, methods and applications for using and enhancing vehicle to vehicle communications, including synergies and interoperation with satellite radio
4. 9912423 - System and method for mobile commerce
5. 8498568 - System and method for providing recording and playback of digital media content
6. 8054968 - Method and apparatus for providing prepaid music card for deciphering recorded broadcast audio signals
7. 8005419 - System and method for securely storing and organizing SDARS content with DRM and non-DRM protected media content, and for facilitating obtaining purchased or subscription-based media based on received SDARS content
8. 7809326 - System and method for providing recording and playback of digital media content
9. 7606526 - Method and apparatus for providing digital media player with portable digital radio broadcast system receiver or integrated antenna and docking system
10. 7454166 - System and method for providing recording and playback of digital media content
11. 6810233 - System for providing signals from an auxiliary audio source to a radio receiver using a wireless link
12. 6785656 - Method and apparatus for digital audio playback using local stored content
13. 6640085 - Electronically steerable antenna array using user-specified location data for maximum signal reception based on elevation angle
14. 6493546 - System for providing signals from an auxiliary audio source to a radio receiver using a wireless link
15. 6421020 - Vehicle antenna assembly for receiving satellite broadcast signals