With the analysis among 934 patents, we discovered top 326 key players by total patent application. PetroChina Co., Ltd., China Petroleum & Chemical Corp., China National Petroleum Corp. are dominant in this area. They take 21.41% of the total patent filing.
Beijing Shi, China
Patent: 80
Beijing Shi, China
Patent: 66
Beijing Shi, China
Patent: 54
Texas, United States
Patent: 34
Sichuan Sheng, China
Patent: 33
Texas, United States
Patent: 30
Beijing Shi, China
Patent: 26
Hampshire, United Kingdom
Patent: 17
Heilongjiang Sheng, China
Patent: 16
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With the analysis among related 384 patents applied in the last 5 years. We discover 189 most active companies in this area. The fast-growing Southwest Petroleum University, PetroChina Co., Ltd., China National Petroleum Corp. take 18.23% of patent filing during this period.
Sichuan Sheng, China
Patent: 25
Beijing Shi, China
Patent: 24
Beijing Shi, China
Patent: 21
Beijing Shi, China
Patent: 20
Beijing Shi, China
Patent: 18
Chongqing Shi, China
Patent: 12
Jiangsu Sheng, China
Patent: 10
Chongqing Shi, China
Patent: 10
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Patent: 10
Beijing Shi, China
Patent: 9
With the analysis among related 384 patents in last 5 years, we discover 127 new entrants. Chongqing Changjiang River Moulding Material (Group) Co., Ltd., Wuhan Institute of Geotechnical Mechanics, Chinese Academy of Sciences, ConocoPhillips Co. are the most active new entrants in this area.
Chongqing Shi, China
Patent: 12
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Patent: 10
Delaware, United States
Patent: 5
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Patent: 4
Beijing Shi, China
Patent: 4
Beijing Shi, China
Patent: 4
Sichuan Sheng, China
Patent: 4
Beijing Shi, China
Patent: 3
Jiangsu Sheng, China
Patent: 3
With the analysis among 454 patents, we discovered top 73 universities and scientific research institutions by total patent application. Southwest Petroleum University, China Petroleum University Beijing, China University of Petroleum (East China) are dominant in this area. They take 29.30% of the total patent filing.
Sichuan Sheng, China
Patent: 50
Beijing Shi, China
Patent: 36
Shandong Sheng, China
Patent: 22
Henan Sheng, China
Patent: 19
Jiangsu Sheng, China
Patent: 18
China University of Mining & Technology (Beijing)
Beijing Shi, China
Patent: 17
Jilin Sheng, China
Patent: 12
Beijing Shi, China
Patent: 12
Heilongjiang Sheng, China
Patent: 12
Chongqing Shi, China
Patent: 11