With the analysis among 441 patents, we discovered top 319 key players by total patent application. China National Petroleum Corp., PetroChina Co., Ltd., Zhengzhou Huizhifeng Technology Co., Ltd. are dominant in this area. They take 8.16% of the total patent filing.
Beijing Shi, China
Patent: 15
Beijing Shi, China
Patent: 11
Henan Sheng, China
Patent: 10
Beijing Shi, China
Patent: 8
Gelderland, Netherlands
Patent: 7
Beijing Shi, China
Patent: 6
Sinopec Petroleum Engineering Technology Service Co. Ltd.
Beijing Shi, China
Patent: 6
Chongqing Shi, China
Patent: 5
Jiangsu Sheng, China
Patent: 5
Heilongjiang Sheng, China
Patent: 4
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With the analysis among related 314 patents applied in the last 5 years. We discover 215 most active companies in this area. The fast-growing China National Petroleum Corp., Southwest Petroleum University, Zhengzhou Huizhifeng Technology Co., Ltd. take 10.51% of patent filing during this period.
Beijing Shi, China
Patent: 12
Sichuan Sheng, China
Patent: 11
Henan Sheng, China
Patent: 10
Sinopec Petroleum Engineering Technology Service Co. Ltd.
Beijing Shi, China
Patent: 6
Beijing Shi, China
Patent: 6
Beijing Shi, China
Patent: 5
Chongqing Shi, China
Patent: 5
Jiangsu Sheng, China
Patent: 5
Sichuan Sheng, China
Patent: 4
Jiangsu Sheng, China
Patent: 4
With the analysis among related 314 patents in last 5 years, we discover 193 new entrants. Southwest Petroleum University, Zhengzhou Huizhifeng Technology Co., Ltd., Sinopec Petroleum Engineering Technology Service Co. Ltd. are the most active new entrants in this area.
Sichuan Sheng, China
Patent: 11
Henan Sheng, China
Patent: 10
Sinopec Petroleum Engineering Technology Service Co. Ltd.
Beijing Shi, China
Patent: 6
Chongqing Shi, China
Patent: 5
Jiangsu Sheng, China
Patent: 5
Sichuan Sheng, China
Patent: 4
Jiangsu Sheng, China
Patent: 4
Shandong Sheng, China
Patent: 4
Shandong Sheng, China
Patent: 3
Anhui Sheng, China
Patent: 3
With the analysis among 51 patents, we discovered top 14 universities and scientific research institutions by total patent application. Southwest Petroleum University, Northeast Petroleum University, Xi'an Shiyou University are dominant in this area. They take 37.25% of the total patent filing.
Sichuan Sheng, China
Patent: 11
Heilongjiang Sheng, China
Patent: 4
Shaanxi Sheng, China
Patent: 3
Shandong Sheng, China
Patent: 2
Beijing Shi, China
Patent: 2
Chongqing Shi, China
Patent: 2
Shaanxi Sheng, China
Patent: 1
Zhejiang Sheng, China
Patent: 1
Hubei Sheng, China
Patent: 1
Liaoning Sheng, China
Patent: 1