With the analysis among 76 patents, we discovered top 28 key players by total patent application. Avaya-Tenovis GmbH & Co. KG, TOSHIBA Corp., PT Nokia Corp. are dominant in this area. They take 44.74% of the total patent filing.
Hessen, Germany
Patent: 17
Tokyo-to, Japan
Patent: 10
Jakarta Raya, Indonesia
Patent: 7
Iowa, United States
Patent: 4
New York, United States
Patent: 4
StarVox Communications, Inc.
California, United States
Patent: 3
California, United States
Patent: 3
Zuid-Holland, Netherlands
Patent: 2
Guangdong Sheng, China
Patent: 2
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With the analysis among related 2 patents applied in the last 5 years. We discover 2 most active companies in this area.
Aichi-ken, Japan
Patent: 1
Saitama-ken, Japan
Patent: 1
With the analysis among related 2 patents in last 5 years, we discover 2 new entrants.
Aichi-ken, Japan
Patent: 1
Saitama-ken, Japan
Patent: 1
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