With the analysis among 231 patents, we discovered top 169 key players by total patent application. China Petroleum & Chemical Corp., Jiangsu Fangyang Water Affairs Co., Ltd., Nanjing Kesheng Environmental Protection Technology Co. Ltd. are dominant in this area. They take 12.99% of the total patent filing.
Beijing Shi, China
Patent: 19
Jiangsu Sheng, China
Patent: 6
Jiangsu Sheng, China
Patent: 5
Shandong Sheng, China
Patent: 5
Guangdong Sheng, China
Patent: 4
Zhejiang Sheng, China
Patent: 4
Jiangsu Keling Environmental Engineering Co., Ltd.
Jiangsu Sheng, China
Patent: 4
Hunan Sheng, China
Patent: 4
Jiangsu Sheng, China
Patent: 4
Shanghai Shi, China
Patent: 3
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With the analysis among related 173 patents applied in the last 5 years. We discover 109 most active companies in this area. The fast-growing China Petroleum & Chemical Corp., Chinese Research Academy of Environmental Sciences, China Petroleum&Chemical Corporation take 13.29% of patent filing during this period.
Beijing Shi, China
Patent: 10
Shandong Sheng, China
Patent: 5
Jiangsu Sheng, China
Patent: 5
Guangdong Sheng, China
Patent: 4
Zhejiang Sheng, China
Patent: 4
Jiangsu Sheng, China
Patent: 4
Jiangsu Keling Environmental Engineering Co., Ltd.
Jiangsu Sheng, China
Patent: 4
Shandong Sheng, China
Patent: 4
Zhejiang Sheng, China
Patent: 4
With the analysis among related 173 patents in last 5 years, we discover 94 new entrants. China Petroleum&Chemical Corporation, Nanjing Kesheng Environmental Protection Technology Co. Ltd., Yantai Nanshan University are the most active new entrants in this area.
Shandong Sheng, China
Patent: 5
Jiangsu Sheng, China
Patent: 5
Shandong Sheng, China
Patent: 4
Guangdong Sheng, China
Patent: 4
Zhejiang Sheng, China
Patent: 4
Zhejiang Sheng, China
Patent: 4
Jiangsu Keling Environmental Engineering Co., Ltd.
Jiangsu Sheng, China
Patent: 4
Jiangsu Sheng, China
Patent: 4
Tianjin Shi, China
Patent: 3
Xinjiang Uygur Zizhiqu, China
Patent: 3
With the analysis among 99 patents, we discovered top 32 universities and scientific research institutions by total patent application. Harbin Institute of Technology, Beijing Normal University, Ningbo Polytechnic Institute are dominant in this area. They take 25.25% of the total patent filing.
Heilongjiang Sheng, China
Patent: 8
Beijing Shi, China
Patent: 4
Zhejiang Sheng, China
Patent: 4
Shanghai Shi, China
Patent: 3
Hubei Sheng, China
Patent: 3
Tianjin Shi, China
Patent: 3
Guangdong University of Petrochemical Technology
Guangdong Sheng, China
Patent: 3
Tianjin Shi, China
Patent: 3
Shandong Sheng, China
Patent: 2
Beijing Shi, China
Patent: 2