With the analysis among 54 patents, we discovered top 22 key players by total patent application. Merck & Co., Inc., Pfizer Inc., Hoechst AG are dominant in this area. They take 37.04% of the total patent filing.
New Jersey, United States
Patent: 13
New York, United States
Patent: 4
New Jersey, United States
Patent: 3
SURREY, United Kingdom
Patent: 3
New Jersey, United States
Patent: 2
Nordrhein-Westfalen, Germany
Patent: 1
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