With the analysis among 32 patents, we discovered top 18 key players by total patent application. International Business Machines Corp., Fujitsu Ltd., Hitachi Ltd. are dominant in this area. They take 34.38% of the total patent filing.
New York, United States
Patent: 4
California, United States
Patent: 2
California, United States
Patent: 2
Idaho, United States
Patent: 2
Oregon, United States
Patent: 2
Mitsubishi Heavy Industries, Ltd.
California, United States
Patent: 1
California, United States
Patent: 1
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