With the analysis among 44 patents, we discovered top 19 key players by total patent application. Ericsson, Inc., Sony Group Corp., Samsung Electronics Co., Ltd. are dominant in this area. They take 36.36% of the total patent filing.
Texas, United States
Patent: 8
Samsung Electronics Co., Ltd.
Digital Voice Systems, Inc.
Illinois, United States
Patent: 4
Telefonaktiebolaget LM Ericsson
Illinois, United States
Patent: 2
Massachusetts, United States
Patent: 1
Oki Electric Industry Co., Ltd.
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With the analysis among 12 patents, we discovered top 7 universities and scientific research institutions by total patent application. Beihang University, University of Minnesota, Northwest University are dominant in this area. They take 41.67% of the total patent filing.
Beijing Shi, China
Patent: 3
Minnesota, United States
Patent: 1
Washington, United States
Patent: 1
Changchun Institute of Optics Fine Mechanics & Physics
Xi'an University of Posts & Telecommunications
Shaanxi Sheng, China
Patent: 1
Air Force Engineering University
Chinese Academy of Sciences Institute of Acoustics