With the analysis among 43 patents, we discovered top 16 key players by total patent application. Antibióticos SA, Hoechst AG, Rhone Poulenc Rorer are dominant in this area. They take 53.49% of the total patent filing.
Castilla y León, Spain
Patent: 10
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With the analysis among 5 patents, we discovered top 2 universities and scientific research institutions by total patent application.
Beijing Shi, China
Patent: 1
Iwate-ken, Japan
Patent: 1