With the analysis among 898 patents, we discovered top 441 key players by total patent application. Kurita Water Industries Ltd., Hitachi Ltd., NIPPON STEEL CORP. are dominant in this area. They take 15.92% of the total patent filing.
Kurita Water Industries Ltd.
Rheinland-Pfalz, Germany
Patent: 85
Tokyo-to, Japan
Patent: 35
Tokyo-to, Japan
Patent: 23
Tokyo-to, Japan
Patent: 21
China Petroleum & Chemical Corp.
Beijing Shi, China
Patent: 20
Tokyo-to, Japan
Patent: 12
Sinopec Corp. Fushun Petrochemical Research Institute
Liaoning Sheng, China
Patent: 12
Shandong Sheng, China
Patent: 11
Tokyo-to, Japan
Patent: 11
Hitachi Plant Technologies Ltd.
Tokyo-to, Japan
Patent: 11
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With the analysis among related 659 patents applied in the last 5 years. We discover 363 most active companies in this area. The fast-growing Beijing University of Technology, Qingdao University, Tongji University take 18.21% of patent filing during this period.
Beijing University of Technology
Beijing Shi, China
Patent: 100
Shandong Sheng, China
Patent: 11
Shanghai Shi, China
Patent: 9
Guangdong Sheng, China
Patent: 8
Hangzhou Normal University
Zhejiang Sheng, China
Patent: 8
Hainan Sheng, China
Patent: 6
Fujian Sheng, China
Patent: 6
Jiangsu Sheng, China
Patent: 6
With the analysis among related 659 patents in last 5 years, we discover 284 new entrants. Jinan University, BKT Co., Ltd., Hainan University are the most active new entrants in this area.
Guangdong Sheng, China
Patent: 8
Hainan Sheng, China
Patent: 6
Fujian Sheng, China
Patent: 6
Beijing Bishuiyuan Membrane Technology Co., Ltd.
Beijing Shi, China
Patent: 5
Shanghai Shi, China
Patent: 5
Jiangxi University of Science & Technology
Jiangxi Sheng, China
Patent: 4
Guangxi Bossco Environmental Protection Technology Co., Ltd.
Guangxi Zhuangzu Zizhiqu, China
Patent: 4
Shaanxi University of Science & Technology
Shaanxi Sheng, China
Patent: 4
Beijing PetroChina Aisuo Energy Conservation and Environmental Protection Technology Co., Ltd.
Beijing Shi, China
Patent: 4
With the analysis among 735 patents, we discovered top 146 universities and scientific research institutions by total patent application. Beijing University of Technology, Zhejiang University, Hangzhou Normal University are dominant in this area. They take 23.81% of the total patent filing.
Beijing University of Technology
Beijing Shi, China
Patent: 139
Zhejiang Sheng, China
Patent: 18
Hangzhou Normal University
Zhejiang Sheng, China
Patent: 18
Shandong Sheng, China
Patent: 14
Shanghai Shi, China
Patent: 11
Seoul National University of Science & Technology
Jiangsu Sheng, China
Patent: 10
Harbin Institute of Technology
Heilongjiang Sheng, China
Patent: 10
South China University of Technology
Guangdong Sheng, China
Patent: 9
Guangdong Sheng, China
Patent: 8