With the analysis among 158 patents, we discovered top 52 key players by total patent application. AT&T, Inc., KT Corp., Telefonaktiebolaget LM Ericsson are dominant in this area. They take 25.32% of the total patent filing.
Texas, United States
Patent: 14
Telefonaktiebolaget LM Ericsson
Samsung Electronics Co., Ltd.
Electronics & Telecommunications Research Institute
Nippon Telegraph & Telephone West Corp.
Nippon Telegraph & Telephone East Corp.
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