With the analysis among 131 patents, we discovered top 55 key players by total patent application. Denka Corp., EIDP, Inc., SKW Trostberg AG are dominant in this area. They take 25.95% of the total patent filing.
New York, United States
Patent: 15
Delaware, United States
Patent: 11
Pennsylvania, United States
Patent: 5
Ohio, United States
Patent: 3
Connecticut, United States
Patent: 3
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