With the analysis among 103 patents, we discovered top 57 key players by total patent application. British Telecommunications Plc, Priority Call Management, Inc., Fujitsu Ltd. are dominant in this area. They take 16.50% of the total patent filing.
Massachusetts, United States
Patent: 6
Guangdong Sheng, China
Patent: 5
Guangdong Sheng, China
Patent: 4
Minnesota, United States
Patent: 4
Telefonaktiebolaget LM Ericsson
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With the analysis among related 8 patents applied in the last 5 years. We discover 3 most active companies in this area.
Shanghai Shi, China
Patent: 3
Shanghai Shi, China
Patent: 2
With the analysis among related 8 patents in last 5 years, we discover 3 new entrants.
Shanghai Shi, China
Patent: 3
Shanghai Shi, China
Patent: 2
With the analysis among 4 patents, we discovered top 1 universities and scientific research institutions by total patent application.
Shandong Sheng, China
Patent: 1