With the analysis among 67 patents, we discovered top 28 key players by total patent application. AT&T Intellectual Property I LP (Texas), OpenPeak, Inc., Cingular Wireless LLC are dominant in this area. They take 26.87% of the total patent filing.
Texas, United States
Patent: 8
Georgia, United States
Patent: 4
Georgia, United States
Patent: 4
California, United States
Patent: 3
Midwest Telecom of America, Inc.
Indiana, United States
Patent: 2
California, United States
Patent: 2
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