With the analysis among 504 patents, we discovered top 49 key players by total patent application. AlliedSignal, Elf Atochem SA, EIDP, Inc. are dominant in this area. They take 46.03% of the total patent filing.
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Patent: 115
Delaware, United States
Patent: 56
Brussels Hoofdstedelijk Gewest, Belgium
Patent: 55
New York, United States
Patent: 51
Tokyo-to, Japan
Patent: 28
Tokyo-to, Japan
Patent: 15
DUBLIN, Ireland
Patent: 15
Osaka-fu, Japan
Patent: 14
Georgia, United States
Patent: 12
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With the analysis among 5 patents, we discovered top 1 universities and scientific research institutions by total patent application.