With the analysis among 174 patents, we discovered top 59 key players by total patent application. Nippon Soda Co., Ltd., IG Farbenindustrie AG, EIDP, Inc. are dominant in this area. They take 18.97% of the total patent filing.
Tokyo-to, Japan
Patent: 14
Hessen, Germany
Patent: 10
Delaware, United States
Patent: 9
Noord-Holland, Netherlands
Patent: 5
California, United States
Patent: 5
Nordrhein-Westfalen, Germany
Patent: 5
New York, United States
Patent: 4
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With the analysis among related 8 patents applied in the last 5 years. We discover 6 most active companies in this area. The fast-growing KaiRui Environmental Protection Technology Co., Ltd., Changzhou University, Weifang Zhonghui Chemical Co. Ltd. take 62.50% of patent filing during this period.
Hebei Sheng, China
Patent: 3
Jiangsu Sheng, China
Patent: 1
Shandong Sheng, China
Patent: 1
Gansu Sheng, China
Patent: 1
Jiangsu Shengyexin Chemical New Material Co., Ltd.
Jiangsu Sheng, China
Patent: 1
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Patent: 1
With the analysis among related 8 patents in last 5 years, we discover 6 new entrants. KaiRui Environmental Protection Technology Co., Ltd., Changzhou University, Weifang Zhonghui Chemical Co. Ltd. are the most active new entrants in this area.
Hebei Sheng, China
Patent: 3
Jiangsu Sheng, China
Patent: 1
Shandong Sheng, China
Patent: 1
Gansu Sheng, China
Patent: 1
Jiangsu Shengyexin Chemical New Material Co., Ltd.
Jiangsu Sheng, China
Patent: 1
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Patent: 1
With the analysis among 6 patents, we discovered top 3 universities and scientific research institutions by total patent application.
Gansu Sheng, China
Patent: 1
Shanghai Shi, China
Patent: 1
Jiangsu Sheng, China
Patent: 1