With the analysis among 51 patents, we discovered top 18 key players by total patent application. Xidex Corp., Scott Paper Co., 3M Co. are dominant in this area. They take 43.14% of the total patent filing.
Texas, United States
Patent: 16
Pennsylvania, United States
Patent: 4
Minnesota, United States
Patent: 2
California, United States
Patent: 2
Virginia, United States
Patent: 1
Illinois, United States
Patent: 1
Massachusetts, United States
Patent: 1
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