With the analysis among 47 patents, we discovered top 27 key players by total patent application. PetroChina Co., Ltd., China Petroleum & Chemical Corp., Sinopec Corp. Shengli Oilfield Branch Exploration and Development Research Institute are dominant in this area. They take 68.09% of the total patent filing.
Beijing Shi, China
Patent: 14
Beijing Shi, China
Patent: 11
Shandong Sheng, China
Patent: 7
Beijing Shi, China
Patent: 3
Heilongjiang Sheng, China
Patent: 3
Tianjin Shi, China
Patent: 3
Henan Sheng, China
Patent: 2
Jiangsu Sheng, China
Patent: 2
Jiangsu Sheng, China
Patent: 2
Beijing Shi, China
Patent: 1
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With the analysis among related 76 patents applied in the last 5 years. We discover 49 most active companies in this area. The fast-growing PetroChina Co., Ltd., China Petroleum & Chemical Corp., Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences take 34.21% of patent filing during this period.
Beijing Shi, China
Patent: 12
Beijing Shi, China
Patent: 8
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Patent: 6
Shandong Sheng, China
Patent: 5
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Patent: 3
Heilongjiang Sheng, China
Patent: 3
Yunnan Sheng, China
Patent: 3
Hubei Sheng, China
Patent: 2
Jiangsu Sheng, China
Patent: 2
Jiangsu Sheng, China
Patent: 2
With the analysis among related 76 patents in last 5 years, we discover 39 new entrants. China Institute of Water Resources and Hydropower Research, Daqing Oilfield Co., Ltd., Nanjing Jiangdao Environmental Science and Technology Research Institute Co., Ltd. are the most active new entrants in this area.
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Patent: 3
Heilongjiang Sheng, China
Patent: 3
Jiangsu Sheng, China
Patent: 2
Jiangsu Sheng, China
Patent: 2
Sichuan Sheng, China
Patent: 2
Jiangsu Sheng, China
Patent: 2
Jiangsu Sheng, China
Patent: 2
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Patent: 1
Jiangsu Sheng, China
Patent: 1
Beijing Shi, China
Patent: 1
With the analysis among 69 patents, we discovered top 18 universities and scientific research institutions by total patent application. Yunnan Agricultural University, Yangtze University, China University of Geosciences are dominant in this area. They take 37.68% of the total patent filing.
Yunnan Sheng, China
Patent: 4
Hubei Sheng, China
Patent: 3
Beijing Shi, China
Patent: 3
Sichuan Sheng, China
Patent: 2
Jiangsu Sheng, China
Patent: 2
Guangdong Sheng, China
Patent: 1
Shandong Sheng, China
Patent: 1
Beijing Shi, China
Patent: 1
Yunnan Sheng, China
Patent: 1
Xinjiang Uygur Zizhiqu, China
Patent: 1