With the analysis among 474 patents, we discovered top 193 key players by total patent application. Sumitomo Metal Mining Co. Ltd., Boliden AB, IG Farbenindustrie AG are dominant in this area. They take 10.55% of the total patent filing.
Tokyo-to, Japan
Patent: 19
Hessen, Germany
Patent: 15
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Patent: 10
SURREY, United Kingdom
Patent: 8
Nordrhein-Westfalen, Germany
Patent: 7
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With the analysis among related 65 patents applied in the last 5 years. We discover 46 most active companies in this area. The fast-growing Central South University, Kunming University of Science & Technology, McGill University take 21.54% of patent filing during this period.
Hunan Sheng, China
Patent: 6
Yunnan Sheng, China
Patent: 4
Guangxi Zhuangzu Zizhiqu, China
Patent: 3
Yunnan Sheng, China
Patent: 3
Yunnan Sheng, China
Patent: 3
Hunan Sheng, China
Patent: 2
Hunan Sheng, China
Patent: 2
Fujian Sheng, China
Patent: 2
Hunan Sheng, China
Patent: 2
With the analysis among related 65 patents in last 5 years, we discover 40 new entrants. McGill University, Guilin University of Technology, Chuxiong Dianzhong Nonferrous Metal Co. Ltd. are the most active new entrants in this area.
Guangxi Zhuangzu Zizhiqu, China
Patent: 3
Yunnan Sheng, China
Patent: 3
Yunnan Sheng, China
Patent: 3
Hunan Sheng, China
Patent: 2
Hunan Sheng, China
Patent: 2
Fujian Sheng, China
Patent: 2
Hunan Sheng, China
Patent: 2
Fujian Sheng, China
Patent: 2
Guangxi Zhuangzu Zizhiqu, China
Patent: 1
With the analysis among 97 patents, we discovered top 30 universities and scientific research institutions by total patent application. Kunming University of Science & Technology, Central South University, Tohoku University are dominant in this area. They take 27.84% of the total patent filing.
Yunnan Sheng, China
Patent: 12
Hunan Sheng, China
Patent: 10
Miyagi-ken, Japan
Patent: 5
Shandong Sheng, China
Patent: 3
Fukuoka-ken, Japan
Patent: 3
Guangxi Zhuangzu Zizhiqu, China
Patent: 3
Jiangxi Sheng, China
Patent: 2
Hunan Sheng, China
Patent: 2
Pennsylvania, United States
Patent: 1