With the analysis among 211 patents, we discovered top 75 key players by total patent application. Fujitsu Ltd., Lucent Technologies, Inc., Alcatel-Lucent SAS are dominant in this area. They take 23.70% of the total patent filing.
Tokyo-to, Japan
Patent: 22
New Jersey, United States
Patent: 15
Guangdong Sheng, China
Patent: 10
Guangdong Sheng, China
Patent: 6
ADVA Optical Networking SE
Virginia, United States
Patent: 6
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With the analysis among 17 patents, we discovered top 1 universities and scientific research institutions by total patent application.
Hunan Sheng, China
Patent: 1