With the analysis among 203 patents, we discovered top 54 key players by total patent application. Hoechst AG, Behringwerke AG, J. R. Geigy AG are dominant in this area. They take 25.12% of the total patent filing.
Hessen, Germany
Patent: 32
Hessen, Germany
Patent: 13
Nordrhein-Westfalen, Germany
Patent: 5
Michigan, United States
Patent: 5
Jakarta Raya, Indonesia
Patent: 5
Nordrhein-Westfalen, Germany
Patent: 4
New York, United States
Patent: 3
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With the analysis among 8 patents, we discovered top 1 universities and scientific research institutions by total patent application.