With the analysis among 66 patents, we discovered top 31 key players by total patent application. NEC Corp., Fujitsu Ltd., TOSHIBA Corp. are dominant in this area. They take 39.39% of the total patent filing.
Tokyo-to, Japan
Patent: 11
Tochigi-ken, Japan
Patent: 2
Massachusetts, United States
Patent: 1
New York, United States
Patent: 1
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