With the analysis among 102 patents, we discovered top 40 key players by total patent application. Hitachi Ltd., NEC Corp., Oki Electric Industry Co., Ltd. are dominant in this area. They take 23.53% of the total patent filing.
New York, United States
Patent: 4
Georgia, United States
Patent: 4
California, United States
Patent: 3
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With the analysis among 3 patents, we discovered top 1 universities and scientific research institutions by total patent application.