With the analysis among 256 patents, we discovered top 139 key players by total patent application. Mitsubishi Heavy Industries, Ltd., Calgon Carbon Corp., Hitachi Zosen Corp. are dominant in this area. They take 14.06% of the total patent filing.
Mitsubishi Heavy Industries, Ltd.
Tokyo-to, Japan
Patent: 13
Pennsylvania, United States
Patent: 12
Osaka-fu, Japan
Patent: 11
AMCOL International Corp.
Illinois, United States
Patent: 7
Xi'an Thermal Power Research Institute Co., Ltd.
Shaanxi Sheng, China
Patent: 7
North Carolina, United States
Patent: 5
Texas, United States
Patent: 5
Chiba-ken, Japan
Patent: 5
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With the analysis among related 195 patents applied in the last 5 years. We discover 112 most active companies in this area. The fast-growing Central South University, Hitachi Zosen Corp., Huazhong University of Science & Technology take 17.44% of patent filing during this period.
Hunan Sheng, China
Patent: 14
Osaka-fu, Japan
Patent: 10
Huazhong University of Science & Technology
Hubei Sheng, China
Patent: 10
Jiangsu Sheng, China
Patent: 7
Shandong Sheng, China
Patent: 7
Nanjing University of Science & Technology
Jiangsu Sheng, China
Patent: 6
Jiangsu Sheng, China
Patent: 4
Guizhou Gravity Technology Environmental Protection Co., Ltd.
Guizhou Sheng, China
Patent: 4
Taiyuan University of Technology
Shanxi Sheng, China
Patent: 4
With the analysis among related 195 patents in last 5 years, we discover 86 new entrants. Central South University, Kuraray Co., Ltd., Shandong University are the most active new entrants in this area.
Hunan Sheng, China
Patent: 14
Shandong Sheng, China
Patent: 7
Nanjing University of Science & Technology
Jiangsu Sheng, China
Patent: 6
Jiangsu Sheng, China
Patent: 4
Guizhou Gravity Technology Environmental Protection Co., Ltd.
Guizhou Sheng, China
Patent: 4
Xuzhou University of Technology
Jiangsu Sheng, China
Patent: 3
Guodian Science & Technology Research Institute Co., Ltd.
Jiangsu Sheng, China
Patent: 3
Shenyang Xindi Environmental Technology Co., Ltd.
Liaoning Sheng, China
Patent: 3
Guizhou Meiruite Environmental Protection Technology Co., Ltd.
Guizhou Sheng, China
Patent: 3
With the analysis among 173 patents, we discovered top 57 universities and scientific research institutions by total patent application. Huazhong University of Science & Technology, Central South University, Southeast University are dominant in this area. They take 24.28% of the total patent filing.
Huazhong University of Science & Technology
Hubei Sheng, China
Patent: 17
Hunan Sheng, China
Patent: 14
Jiangsu Sheng, China
Patent: 11
Shandong Sheng, China
Patent: 7
Nanjing University of Science & Technology
Jiangsu Sheng, China
Patent: 6
Michigan Technological University
Michigan, United States
Patent: 5
Taiyuan University of Technology
Shanxi Sheng, China
Patent: 5
Kunming University of Science & Technology
Yunnan Sheng, China
Patent: 5
Southwest Petroleum University
Sichuan Sheng, China
Patent: 5
Shanghai Jiao Tong University
Shanghai Shi, China
Patent: 4