With the analysis among 39 patents, we discovered top 22 key players by total patent application. General Electric Co., Akzo Nobel NV, Eastman Kodak Co. are dominant in this area. They take 15.38% of the total patent filing.
Massachusetts, United States
Patent: 2
Noord-Holland, Netherlands
Patent: 2
New York, United States
Patent: 2
Pennsylvania, United States
Patent: 1
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