With the analysis among 407 patents, we discovered top 270 key players by total patent application. Shanghai Greenman Environmental Technology Co., Ltd., China Petroleum & Chemical Corp., Dongmyung Enterprise Co. Ltd. are dominant in this area. They take 6.39% of the total patent filing.
Shanghai Shi, China
Patent: 10
Beijing Shi, China
Patent: 8
Jiangsu Sheng, China
Patent: 6
Jiangsu Sheng, China
Patent: 6
Beijing Shi, China
Patent: 5
Hunan Sheng, China
Patent: 5
Jiangsu Sheng, China
Patent: 5
Hubei Sheng, China
Patent: 4
Shanghai Shi, China
Patent: 4
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With the analysis among related 573 patents applied in the last 5 years. We discover 325 most active companies in this area. The fast-growing Jilin University, Institute of Hydrogeology and Environmental Geology, Chinese Academy of Geological Sciences, Shanghai Greenman Environmental Technology Co., Ltd. take 4.89% of patent filing during this period.
Jilin Sheng, China
Patent: 10
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Patent: 9
Shanghai Shi, China
Patent: 9
Beijing Shi, China
Patent: 8
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Patent: 8
Jiangsu Sheng, China
Patent: 8
Shaanxi Sheng, China
Patent: 7
Jiangsu Sheng, China
Patent: 6
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Patent: 6
With the analysis among related 573 patents in last 5 years, we discover 294 new entrants. China Petroleum & Chemical Corp., Hydrogeological and Environmental Geological Survey Center of China Geological Survey, Chang'an University are the most active new entrants in this area.
Beijing Shi, China
Patent: 8
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Patent: 8
Shaanxi Sheng, China
Patent: 7
Jiangsu Sheng, China
Patent: 6
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Patent: 6
Jiangsu Sheng, China
Patent: 6
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Patent: 5
Hunan Sheng, China
Patent: 5
Jiangsu Sheng, China
Patent: 5
Zhejiang Sheng, China
Patent: 5
With the analysis among 305 patents, we discovered top 84 universities and scientific research institutions by total patent application. Jilin University, Hohai University, Nanjing University are dominant in this area. They take 14.75% of the total patent filing.
Jilin Sheng, China
Patent: 13
Jiangsu Sheng, China
Patent: 11
Jiangsu Sheng, China
Patent: 8
Shaanxi Sheng, China
Patent: 7
Hubei Sheng, China
Patent: 7
Beijing Shi, China
Patent: 6
Beijing Shi, China
Patent: 6
Zhejiang Sheng, China
Patent: 5
Sichuan Sheng, China
Patent: 5
Hebei Sheng, China
Patent: 5