With the analysis among 78 patents, we discovered top 24 key players by total patent application. NEC Corp., Fujitsu Ltd., David Systems, Inc. are dominant in this area. They take 57.69% of the total patent filing.
Tokyo-to, Japan
Patent: 21
Tokyo-to, Japan
Patent: 16
California, United States
Patent: 8
New York, United States
Patent: 1
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