With the analysis among 1,038 patents, we discovered top 353 key players by total patent application. Dowa KK, Sumitomo Metal Mining Co. Ltd., Henan Yuguang Gold & Lead Co., Ltd. are dominant in this area. They take 12.72% of the total patent filing.
Sumitomo Metal Mining Co. Ltd.
Tokyo-to, Japan
Patent: 42
Henan Yuguang Gold & Lead Co., Ltd.
Henan Sheng, China
Patent: 20
Nikko Metal Manufacturing Co. Ltd.
Pangang Group Panzhihua Iron&Steel Research Institute Co.,Ltd.
Sichuan Sheng, China
Patent: 16
Mitsubishi Materials Corp.
Tokyo-to, Japan
Patent: 15
Gansu Sheng, China
Patent: 14
Pan Pacific Copper Co., Ltd.
Tokyo-to, Japan
Patent: 11
Tongling Nonferrous Metals Group Co., Ltd.
Anhui Sheng, China
Patent: 8
Jiangsu New Chunxing Resource Recycling Co. Ltd.
Jiangsu Sheng, China
Patent: 8
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With the analysis among related 363 patents applied in the last 5 years. We discover 209 most active companies in this area. The fast-growing Kunming University of Science & Technology, Hunan University of Technology, Jiangsu New Chunxing Resource Recycling Co. Ltd. take 9.37% of patent filing during this period.
Kunming University of Science & Technology
Yunnan Sheng, China
Patent: 17
Hunan University of Technology
Hunan Sheng, China
Patent: 9
Jiangsu New Chunxing Resource Recycling Co. Ltd.
Jiangsu Sheng, China
Patent: 8
Hunan Sheng, China
Patent: 7
Luoyang Yuye Machinery Equipment Co. Ltd.
Henan Sheng, China
Patent: 6
Jiangxi Copper Technology Research Institute Co., Ltd.
Jiangxi Sheng, China
Patent: 5
Henan Yuguang Gold & Lead Co., Ltd.
Henan Sheng, China
Patent: 5
Hunan Senke Nonferrous Metals Co., Ltd.
Hunan Sheng, China
Patent: 5
Tianjin Zhongdingxinmao New Material Technology Co., Ltd.
Tianjin Shi, China
Patent: 5
Shenzhen Huaruicheng Hardware Technology Co., Ltd.
Guangdong Sheng, China
Patent: 5
With the analysis among related 363 patents in last 5 years, we discover 174 new entrants. Hunan University of Technology, Jiangsu New Chunxing Resource Recycling Co. Ltd., Luoyang Yuye Machinery Equipment Co. Ltd. are the most active new entrants in this area.
Hunan University of Technology
Hunan Sheng, China
Patent: 9
Jiangsu New Chunxing Resource Recycling Co. Ltd.
Jiangsu Sheng, China
Patent: 8
Luoyang Yuye Machinery Equipment Co. Ltd.
Henan Sheng, China
Patent: 6
Hunan Senke Nonferrous Metals Co., Ltd.
Hunan Sheng, China
Patent: 5
Jiangxi Copper Technology Research Institute Co., Ltd.
Jiangxi Sheng, China
Patent: 5
Tianjin Zhongdingxinmao New Material Technology Co., Ltd.
Tianjin Shi, China
Patent: 5
Shenzhen Huaruicheng Hardware Technology Co., Ltd.
Guangdong Sheng, China
Patent: 5
Mining & Metallurgical Technology Group Co., Ltd.
Beijing Shi, China
Patent: 4
Jiangxi Rui Feng Environmental Protection Co. Ltd.
Jiangxi Sheng, China
Patent: 4
China ENFI Engineering Corp.
Beijing Shi, China
Patent: 4
With the analysis among 391 patents, we discovered top 44 universities and scientific research institutions by total patent application. Kunming University of Science & Technology, Shanghai Jiao Tong University, University of Science & Technology Beijing are dominant in this area. They take 21.23% of the total patent filing.
Kunming University of Science & Technology
Yunnan Sheng, China
Patent: 57
Shanghai Jiao Tong University
Shanghai Shi, China
Patent: 13
University of Science & Technology Beijing
Beijing Shi, China
Patent: 13
Hunan Sheng, China
Patent: 10
Hunan University of Technology
Hunan Sheng, China
Patent: 9
Yunnan Sheng, China
Patent: 4
Institute of Process Engineering, Chinese Academy of Sciences
Beijing Shi, China
Patent: 4
Liaoning Sheng, China
Patent: 4
Beijing University of Technology
Beijing Shi, China
Patent: 3
Akita-ken, Japan
Patent: 3