With the analysis among 394 patents, we discovered top 44 key players by total patent application. Hoechst AG, Exxon Research & Engineering Co., Ciba-Geigy AG are dominant in this area. They take 35.53% of the total patent filing.
Hessen, Germany
Patent: 80
Osaka-fu, Japan
Patent: 16
Nordrhein-Westfalen, Germany
Patent: 9
Chiba-ken, Japan
Patent: 8
Rohm & Haas Electronic Materials LLC
Massachusetts, United States
Patent: 7
Rheinland-Pfalz, Germany
Patent: 7
Rheinland-Pfalz, Germany
Patent: 6
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With the analysis among 10 patents, we discovered top 1 universities and scientific research institutions by total patent application.
New York, United States
Patent: 3