With the analysis among 150 patents, we discovered top 20 key players by total patent application. Merck & Co., Inc., Pharmacia & Upjohn Co. LLC, Janssen Pharmaceutica NV are dominant in this area. They take 51.33% of the total patent filing.
New Jersey, United States
Patent: 39
Michigan, United States
Patent: 20
Antwerpen, Belgium
Patent: 18
Illinois, United States
Patent: 18
Jiangsu Sheng, China
Patent: 14
Maharashtra, India
Patent: 5
Michigan, United States
Patent: 4
Ohio, United States
Patent: 3
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