With the analysis among 2,119 patents, we discovered top 491 key players by total patent application. China Petroleum & Chemical Corp., PetroChina Co., Ltd., China National Petroleum Corp. are dominant in this area. They take 5.66% of the total patent filing.
Beijing Shi, China
Patent: 54
Beijing Shi, China
Patent: 51
Beijing Shi, China
Patent: 15
Beijing Shi, China
Patent: 13
Beijing Shi, China
Patent: 11
Beijing Shi, China
Patent: 10
Shaanxi Sheng, China
Patent: 10
Sichuan Sheng, China
Patent: 10
Shandong Sheng, China
Patent: 10
Shandong Sheng, China
Patent: 9
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With the analysis among related 1,208 patents applied in the last 5 years. We discover 500 most active companies in this area. The fast-growing China Petroleum & Chemical Corp., China Oil & Gas Pipeline Network Corp., PetroChina Co., Ltd. take 4.72% of patent filing during this period.
Beijing Shi, China
Patent: 23
Beijing Shi, China
Patent: 19
Beijing Shi, China
Patent: 15
Beijing Shi, China
Patent: 12
Sichuan Sheng, China
Patent: 10
Guangdong Sheng, China
Patent: 10
Shaanxi Sheng, China
Patent: 9
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Patent: 7
Jiangsu Sheng, China
Patent: 6
Liaoning Sheng, China
Patent: 5
With the analysis among related 1,208 patents in last 5 years, we discover 451 new entrants. Logistical Engineering University of PLA, Jiang Su Jin Hu Shu You Beng You Xian Gong Si, Dalian Petrochemical Research Institute of China Petrochemical Corporation are the most active new entrants in this area.
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Patent: 7
Jiangsu Sheng, China
Patent: 6
Liaoning Sheng, China
Patent: 5
Beijing Shi, China
Patent: 5
Henan Sheng, China
Patent: 5
Sichuan Sheng, China
Patent: 4
Jiangsu Sheng, China
Patent: 4
Jiangsu Sheng, China
Patent: 4
Qingdao Haicheng Energy Technology Co., Ltd.
Shandong Sheng, China
Patent: 4
Daqing Zhengrong Oilfield Technical Service Co., Ltd.
Heilongjiang Sheng, China
Patent: 4
With the analysis among 344 patents, we discovered top 91 universities and scientific research institutions by total patent application. South China University of Technology, Southwest Petroleum University, Zhejiang Ocean University are dominant in this area. They take 13.95% of the total patent filing.
Guangdong Sheng, China
Patent: 16
Sichuan Sheng, China
Patent: 13
Zhejiang Sheng, China
Patent: 9
Heilongjiang Sheng, China
Patent: 9
Shandong Sheng, China
Patent: 7
Shaanxi Sheng, China
Patent: 6
Hubei Sheng, China
Patent: 5
Shaanxi Sheng, China
Patent: 5
Henan Sheng, China
Patent: 5
Tianjin Shi, China
Patent: 5