With the analysis among 86 patents, we discovered top 28 key players by total patent application. Hoechst AG, 3M Co., Hudson Bay Mining & Smelting Co. Ltd. are dominant in this area. They take 18.60% of the total patent filing.
Minnesota, United States
Patent: 4
Manitoba, Canada
Patent: 4
Nordrhein-Westfalen, Germany
Patent: 3
Arkansas, United States
Patent: 3
Wisconsin, United States
Patent: 2
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With the analysis among related 3 patents applied in the last 5 years. We discover 3 most active companies in this area.
Ningxia Huizi Zizhiqu, China
Patent: 1
Jiangsu Sheng, China
Patent: 1
Gansu Sheng, China
Patent: 1
With the analysis among related 3 patents in last 5 years, we discover 3 new entrants.
Ningxia Huizi Zizhiqu, China
Patent: 1
Jiangsu Sheng, China
Patent: 1
Gansu Sheng, China
Patent: 1
With the analysis among 2 patents, we discovered top 2 universities and scientific research institutions by total patent application.
Jiangsu Sheng, China
Patent: 1