With the analysis among 103 patents, we discovered top 21 key players by total patent application. Beecham Group Plc, Biochemie GmbH, Pfizer Inc. are dominant in this area. They take 42.72% of the total patent filing.
New York, United States
Patent: 8
Imperial Chemical Industries Ltd.
New Jersey, United States
Patent: 3
Illinois, United States
Patent: 1
Taisho Pharmaceutical Co., Ltd.
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