With the analysis among 629 patents, we discovered top 308 key players by total patent application. Guangxi Wanshizhi Rare and Precious Metal Technology Co., Ltd., Shinko Denki Co. Ltd., Hunan Donggang Antimony Products Co. Ltd. are dominant in this area. They take 5.41% of the total patent filing.
Guangxi Zhuangzu Zizhiqu, China
Patent: 12
Tokyo-to, Japan
Patent: 11
Hunan Sheng, China
Patent: 11
Hubei Sheng, China
Patent: 7
New Mexico, France
Patent: 6
Gansu Sheng, China
Patent: 6
Heilongjiang Sheng, China
Patent: 6
Hubei Sheng, China
Patent: 6
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With the analysis among related 188 patents applied in the last 5 years. We discover 99 most active companies in this area. The fast-growing Guangxi Wanshizhi Rare and Precious Metal Technology Co., Ltd., Sihui Chenyang Environmental Protection Technology Co., Ltd., China ENFI Engineering Corp. take 10.64% of patent filing during this period.
Guangxi Zhuangzu Zizhiqu, China
Patent: 11
Sihui Chenyang Environmental Protection Technology Co., Ltd.
Guangdong Sheng, China
Patent: 5
Beijing Shi, China
Patent: 4
Gao Nuo (Hengyang) New Materials Co., Ltd.
Hunan Sheng, China
Patent: 4
Nei Mongol Zizhiqu, China
Patent: 4
Jiangxi Yunteng Copper Co., Ltd.
Jiangxi Sheng, China
Patent: 4
Gansu Sheng, China
Patent: 4
Guangdong Sheng, China
Patent: 4
Guangdong Sheng, China
Patent: 3
Zhejiang Sheng, China
Patent: 3
With the analysis among related 188 patents in last 5 years, we discover 81 new entrants. Sihui Chenyang Environmental Protection Technology Co., Ltd., Jiangxi Yunteng Copper Co., Ltd., China ENFI Engineering Corp. are the most active new entrants in this area.
Sihui Chenyang Environmental Protection Technology Co., Ltd.
Guangdong Sheng, China
Patent: 5
Jiangxi Yunteng Copper Co., Ltd.
Jiangxi Sheng, China
Patent: 4
Beijing Shi, China
Patent: 4
Guangdong Sheng, China
Patent: 4
Gao Nuo (Hengyang) New Materials Co., Ltd.
Hunan Sheng, China
Patent: 4
Nei Mongol Zizhiqu, China
Patent: 4
Jiangxi Sheng, China
Patent: 3
Zhejiang Sheng, China
Patent: 3
Jiangxi Sheng, China
Patent: 3
Jiangxi Sheng, China
Patent: 2
With the analysis among 48 patents, we discovered top 9 universities and scientific research institutions by total patent application. Ningbo Institute of Technology, Zhejiang University, Henan Normal University, University of Science & Technology Liaoning are dominant in this area. They take 18.75% of the total patent filing.
Zhejiang Sheng, China
Patent: 5
Henan Sheng, China
Patent: 2
Liaoning Sheng, China
Patent: 2
Xinjiang Uygur Zizhiqu, China
Patent: 1
Anhui Sheng, China
Patent: 1
Hubei Sheng, China
Patent: 1
Hunan Sheng, China
Patent: 1
Liaoning Sheng, China
Patent: 1