With the analysis among 210 patents, we discovered top 55 key players by total patent application. Rohm & Haas Co., Generex Pharmaceuticals, Inc., GlaxoSmithKline Biologicals SA are dominant in this area. They take 34.29% of the total patent filing.
Pennsylvania, United States
Patent: 38
Ontario, Canada
Patent: 24
Illinois, United States
Patent: 9
Delaware, United States
Patent: 5
Sichuan Sheng, China
Patent: 4
Massachusetts, United States
Patent: 4
Pennsylvania, United States
Patent: 3
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With the analysis among 5 patents, we discovered top 2 universities and scientific research institutions by total patent application.