With the analysis among 441 patents, we discovered top 99 key players by total patent application. Grape Technology Group, Inc., AT&T, Inc., Nuance Communications, Inc. are dominant in this area. They take 32.20% of the total patent filing.
Delaware, United States
Patent: 95
Texas, United States
Patent: 26
Massachusetts, United States
Patent: 21
New York, United States
Patent: 15
New York, United States
Patent: 14
New York, United States
Patent: 13
Texas, United States
Patent: 9
Washington, United States
Patent: 8
With the analysis among 3 patents, we discovered top 1 start-ups by total patent application.
New York, United States
Patent: 3
With the analysis among related 1 patents applied in the last 5 years. We discover 1 most active companies in this area.
Massachusetts, United States
Patent: 1
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