With the analysis among 557 patents, we discovered top 274 key players by total patent application. Nippon Sanso KK, Mitsui Mining & Smelting Co., Ltd., Sumitomo Metal Mining Co. Ltd. are dominant in this area. They take 12.21% of the total patent filing.
Tokyo-to, Japan
Patent: 23
Tokyo-to, Japan
Patent: 20
Ohio, United States
Patent: 17
Connecticut, United States
Patent: 16
Virginia, United States
Patent: 11
Nikko Metal Manufacturing Co. Ltd.
Osaka-fu, Japan
Patent: 10
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With the analysis among related 380 patents applied in the last 5 years. We discover 245 most active companies in this area. The fast-growing Nippon Sanso KK, Sumitomo Metal Mining Co. Ltd., Chiyoda Corp. take 10.26% of patent filing during this period.
Tokyo-to, Japan
Patent: 11
Jiangsu Sheng, China
Patent: 5
Anhui Sheng, China
Patent: 5
Anhui Sheng, China
Patent: 4
Nikko Metal Manufacturing Co. Ltd.
Hebei Sheng, China
Patent: 4
With the analysis among related 380 patents in last 5 years, we discover 176 new entrants. Riken Corp., Furukawa Electric Co., Ltd., Chiyoda Corp. are the most active new entrants in this area.
Jiangsu Sheng, China
Patent: 5
Anhui Sheng, China
Patent: 5
Tianjin Shi, China
Patent: 4
Shandong Sheng, China
Patent: 3
Chongqing Shi, China
Patent: 3
Hubei Sheng, China
Patent: 3
Guangxi Zhuangzu Zizhiqu, China
Patent: 3
Beijing Shi, China
Patent: 3
With the analysis among 443 patents, we discovered top 172 universities and scientific research institutions by total patent application. Kunming University of Science & Technology, Zhejiang Sci-Tech University, Jilin University are dominant in this area. They take 6.32% of the total patent filing.
Yunnan Sheng, China
Patent: 11
Zhejiang Sheng, China
Patent: 9
Jilin Sheng, China
Patent: 8
Anhui Sheng, China
Patent: 8
Shanghai Shi, China
Patent: 8
Shandong Sheng, China
Patent: 8
Tianjin Shi, China
Patent: 8
Beijing Shi, China
Patent: 7
Shaanxi Sheng, China
Patent: 6
Hebei Sheng, China
Patent: 6