With the analysis among 37 patents, we discovered top 18 key players by total patent application. Ikeda Mohando Ltd., Rhone-Poulenc Chemicals Ltd., EIDP, Inc. are dominant in this area. They take 45.95% of the total patent filing.
Toyama-ken, Japan
Patent: 8
Delaware, United States
Patent: 2
New York, United States
Patent: 1
Rheinland-Pfalz, Germany
Patent: 1
Wisconsin, United States
Patent: 1
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