With the analysis among 19 patents, we discovered top 17 key players by total patent application. Hitachi Ltd., International Business Machines Corp., BAE Systems Plc are dominant in this area. They take 15.79% of the total patent filing.
New York, United States
Patent: 1
Hampshire, United Kingdom
Patent: 1
Aichi-ken, Japan
Patent: 1
California, United States
Patent: 1
Illinois, United States
Patent: 1
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