With the analysis among 43 patents, we discovered top 17 key players by total patent application. British Telecommunications Plc, TQ Delta LLC, Adaptive Spectrum & Signal Alignment, Inc. are dominant in this area. They take 41.86% of the total patent filing.
British Telecommunications Plc
Texas, United States
Patent: 6
Adaptive Spectrum & Signal Alignment, Inc.
California, United States
Patent: 6
Huawei Technologies Co., Ltd.
Guangdong Sheng, China
Patent: 4
Nippon Telegraph & Telephone Corp.
Texas, United States
Patent: 2
Lucent Technologies, Inc.
New Jersey, United States
Patent: 2
Samsung Electronics Co., Ltd.
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