With the analysis among 113 patents, we discovered top 16 key players by total patent application. Merck & Co., Inc., Pharmacia & Upjohn Co. LLC, G.D. Searle LLC are dominant in this area. They take 65.49% of the total patent filing.
New Jersey, United States
Patent: 35
Pharmacia & Upjohn Co. LLC
Michigan, United States
Patent: 21
Illinois, United States
Patent: 18
Antwerpen, Belgium
Patent: 15
Michigan, United States
Patent: 4
Maharashtra, India
Patent: 2
Berlex Laboratories, Inc.
New Jersey, United States
Patent: 2
Ohio, United States
Patent: 1
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