With the analysis among 99 patents, we discovered top 27 key players by total patent application. Pacific Communication Sciences, Inc., Cirrus Logic, Inc., Verizon Patent & Licensing, Inc. are dominant in this area. They take 50.51% of the total patent filing.
California, United States
Patent: 27
Texas, United States
Patent: 14
New York, United States
Patent: 9
California, United States
Patent: 4
Texas, United States
Patent: 4
Texas, United States
Patent: 3
Minnesota, United States
Patent: 3
Washington, United States
Patent: 3
California, United States
Patent: 3
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