With the analysis among 392 patents, we discovered top 72 key players by total patent application. IG Farbenindustrie AG, Hoechst AG, Ciba Specialty Chemicals Holding, Inc. are dominant in this area. They take 27.30% of the total patent filing.
Hessen, Germany
Patent: 57
Hessen, Germany
Patent: 26
Imperial Chemical Industries Ltd.
Osaka-fu, Japan
Patent: 11
Clariant Finance (BVI) Ltd.
British Virgin Islands
Patent: 10
Nordrhein-Westfalen, Germany
Patent: 9
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With the analysis among related 4 patents applied in the last 5 years. We discover 2 most active companies in this area.
Nagano-ken, Japan
Patent: 3
Anhui Sheng, China
Patent: 1
With the analysis among related 4 patents in last 5 years, we discover 2 new entrants.
Nagano-ken, Japan
Patent: 3
Anhui Sheng, China
Patent: 1
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