With the analysis among 306 patents, we discovered top 178 key players by total patent application. China Petroleum & Chemical Corp., PetroChina Co., Ltd., CNOOC China Ltd. are dominant in this area. They take 36.93% of the total patent filing.
Beijing Shi, China
Patent: 53
Beijing Shi, China
Patent: 40
Tianjin Shi, China
Patent: 20
Beijing Shi, China
Patent: 16
Shandong Sheng, China
Patent: 12
Beijing Shi, China
Patent: 11
Chongqing Shi, China
Patent: 10
Chongqing Shi, China
Patent: 10
Sichuan Sheng, China
Patent: 9
Shaanxi Sheng, China
Patent: 6
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With the analysis among related 402 patents applied in the last 5 years. We discover 228 most active companies in this area. The fast-growing China Petroleum & Chemical Corp., PetroChina Co., Ltd., CNOOC China Ltd. take 22.39% of patent filing during this period.
Beijing Shi, China
Patent: 38
Beijing Shi, China
Patent: 33
Tianjin Shi, China
Patent: 19
Sichuan Sheng, China
Patent: 16
Shandong Sheng, China
Patent: 14
Beijing Shi, China
Patent: 13
Beijing Shi, China
Patent: 10
Chongqing Shi, China
Patent: 10
Chongqing Shi, China
Patent: 10
Beijing Shi, China
Patent: 10
With the analysis among related 402 patents in last 5 years, we discover 202 new entrants. Southwest Petroleum University, Chongqing Research Inst of China Coal Tech & Eng Group Corp., China Coal Science and Industry Group Chongqing Smart City Science and Technology Research Institute Co., Ltd. are the most active new entrants in this area.
Sichuan Sheng, China
Patent: 16
Chongqing Shi, China
Patent: 10
Chongqing Shi, China
Patent: 10
Sichuan Sheng, China
Patent: 9
Hubei Sheng, China
Patent: 8
Beijing Shi, China
Patent: 7
Beijing Shi, China
Patent: 6
Henan Sheng, China
Patent: 5
Gansu Sheng, China
Patent: 5
Sichuan Sheng, China
Patent: 5
With the analysis among 201 patents, we discovered top 43 universities and scientific research institutions by total patent application. Southwest Petroleum University, China University of Petroleum (East China), Yangtze University are dominant in this area. They take 30.85% of the total patent filing.
Sichuan Sheng, China
Patent: 16
Shandong Sheng, China
Patent: 15
Hubei Sheng, China
Patent: 8
Shaanxi Sheng, China
Patent: 7
Jiangsu Sheng, China
Patent: 7
Beijing Research Institute of Uranium Geology
Shaanxi Sheng, China
Patent: 6
Beijing Shi, China
Patent: 6
Gansu Sheng, China
Patent: 5
Henan Sheng, China
Patent: 5