With the analysis among 513 patents, we discovered top 137 key players by total patent application. Sumitomo Metal Mining Co. Ltd., Kaneka Corp., Sumitomo Osaka Cement Co., Ltd. are dominant in this area. They take 31.77% of the total patent filing.
Tokyo-to, Japan
Patent: 68
Tokyo-to, Japan
Patent: 51
Tokyo-to, Japan
Patent: 44
Osaka-fu, Japan
Patent: 29
Tokyo-to, Japan
Patent: 25
Nagano-ken, Japan
Patent: 17
Kanagawa-ken, Japan
Patent: 14
Hiroshima-ken, Japan
Patent: 11
Aichi-ken, Japan
Patent: 10
Aichi-ken, Japan
Patent: 9
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With the analysis among related 67 patents applied in the last 5 years. We discover 15 most active companies in this area. The fast-growing Sumitomo Metal Mining Co. Ltd., Sumitomo Osaka Cement Co., Ltd., Kaneka Corp. take 56.72% of patent filing during this period.
Tokyo-to, Japan
Patent: 22
Tokyo-to, Japan
Patent: 10
New York, United States
Patent: 2
Guangdong Kaiyuan Environmental Protection Equipment Co., Ltd.
Guangdong Sheng, China
Patent: 1
Jiangsu Sheng, China
Patent: 1
With the analysis among related 67 patents in last 5 years, we discover 8 new entrants. JFE Chemical Corp., Sumitomo Bakelite Co., Ltd., Mosaic Microsystems LLC are the most active new entrants in this area.
New York, United States
Patent: 2
Guangdong Kaiyuan Environmental Protection Equipment Co., Ltd.
Guangdong Sheng, China
Patent: 1
Shandong Sheng, China
Patent: 1
Fujian Sheng, China
Patent: 1
Jiangsu Sheng, China
Patent: 1
Jiangxi Sheng, China
Patent: 1
With the analysis among 19 patents, we discovered top 11 universities and scientific research institutions by total patent application. Nagoya University, University of Tokyo, Hiroshima University are dominant in this area. They take 78.95% of the total patent filing.
Aichi-ken, Japan
Patent: 5
Hiroshima-ken, Japan
Patent: 2
Beijing Shi, China
Patent: 2
Chiba-ken, Japan
Patent: 1
Sichuan Sheng, China
Patent: 1