With the analysis among 445 patents, we discovered top 36 key players by total patent application. IG Farbenindustrie AG, Imperial Chemical Industries Ltd., Hoechst AG are dominant in this area. They take 40.67% of the total patent filing.
Hessen, Germany
Patent: 84
Imperial Chemical Industries Ltd.
Hessen, Germany
Patent: 33
Nordrhein-Westfalen, Germany
Patent: 31
Tokyo-to, Japan
Patent: 19
Delaware, United States
Patent: 8
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With the analysis among 2 patents, we discovered top 1 universities and scientific research institutions by total patent application.
Guangdong Sheng, China
Patent: 1