With the analysis among 189 patents, we discovered top 41 key players by total patent application. Mitsubishi Gas Chemical Co., Inc., Mitsubishi Rayon Co Ltd, Mitsui Chemicals, Inc. are dominant in this area. They take 42.33% of the total patent filing.
Tokyo-to, Japan
Patent: 47
Tokyo-to, Japan
Patent: 16
Pennsylvania, United States
Patent: 15
Delaware, United States
Patent: 3
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With the analysis among 5 patents, we discovered top 1 universities and scientific research institutions by total patent application.
Beijing Shi, China
Patent: 1