With the analysis among 308 patents, we discovered top 86 key players by total patent application. Nuance Communications, Inc., International Business Machines Corp., Glenayre Electronics, Inc. are dominant in this area. They take 26.30% of the total patent filing.
Massachusetts, United States
Patent: 30
New York, United States
Patent: 28
Georgia, United States
Patent: 23
California, United States
Patent: 11
Guangdong Sheng, China
Patent: 10
California, United States
Patent: 8
Washington, United States
Patent: 8
California, United States
Patent: 8
Texas, United States
Patent: 6
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With the analysis among related 3 patents applied in the last 5 years. We discover 1 most active companies in this area.
North Carolina, United States
Patent: 2
With the analysis among related 3 patents in last 5 years, we discover 1 new entrants.
North Carolina, United States
Patent: 2
With the analysis among 13 patents, we discovered top 4 universities and scientific research institutions by total patent application. Beijing University of Posts & Telecommunications, Technical University of Berlin, Wuhan University of Technology are dominant in this area. They take 69.23% of the total patent filing.
Beijing Shi, China
Patent: 2
Hubei Sheng, China
Patent: 1
Beijing Shi, China
Patent: 1