With the analysis among 87 patents, we discovered top 29 key players by total patent application. Sony Group Corp., QUALCOMM, Inc., British Telecommunications Plc are dominant in this area. They take 57.47% of the total patent filing.
Tokyo-to, Japan
Patent: 38
California, United States
Patent: 6
British Telecommunications Plc
Noord-Holland, Netherlands
Patent: 4
Nippon Telegraph & Telephone Corp.
Oki Electric Industry Co., Ltd.
Illinois, United States
Patent: 1
Mitsubishi Electric Corp.
California, United States
Patent: 1
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With the analysis among related 2 patents applied in the last 5 years. We discover 1 most active companies in this area.
Beijing Institute of Technology
Beijing Shi, China
Patent: 1
With the analysis among related 2 patents in last 5 years, we discover 1 new entrants.
Beijing Institute of Technology
Beijing Shi, China
Patent: 1
With the analysis among 2 patents, we discovered top 1 universities and scientific research institutions by total patent application.
Beijing Institute of Technology
Beijing Shi, China
Patent: 1