With the analysis among 252 patents, we discovered top 64 key players by total patent application. Richter Gedeon Vegyészeti Gyár Rt. mellett muködo Munkahelyi, Otsuka Pharmaceutical Co., Ltd., Imperial Chemical Industries Ltd. are dominant in this area. They take 20.63% of the total patent filing.
Tokyo-to, Japan
Patent: 19
Indiana, United States
Patent: 12
Michigan, United States
Patent: 8
Rheinland-Pfalz, Germany
Patent: 6
Lombardia, Italy
Patent: 5
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