With the analysis among 592 patents, we discovered top 170 key players by total patent application. PetroChina Co., Ltd., China Petroleum & Chemical Corp., CNOOC China Ltd. are dominant in this area. They take 31.42% of the total patent filing.
Beijing Shi, China
Patent: 86
Beijing Shi, China
Patent: 75
Tianjin Shi, China
Patent: 25
Beijing Shi, China
Patent: 24
Jiangsu Sheng, China
Patent: 17
Zuid-Holland, Netherlands
Patent: 13
Pennsylvania, United States
Patent: 12
Beijing Shi, China
Patent: 9
Beijing Shi, China
Patent: 9
With the analysis among 1 patents, we discovered top 1 start-ups by total patent application.
Minnesota, United States
Patent: 1
With the analysis among related 869 patents applied in the last 5 years. We discover 232 most active companies in this area. The fast-growing PetroChina Co., Ltd., China Petroleum & Chemical Corp., Southwest Petroleum University take 22.55% of patent filing during this period.
Beijing Shi, China
Patent: 78
Beijing Shi, China
Patent: 61
Sichuan Sheng, China
Patent: 57
Shandong Sheng, China
Patent: 42
Beijing Shi, China
Patent: 32
Jiangsu Sheng, China
Patent: 26
Tianjin Shi, China
Patent: 25
Hubei Sheng, China
Patent: 24
Beijing Shi, China
Patent: 22
Beijing Shi, China
Patent: 19
With the analysis among related 869 patents in last 5 years, we discover 195 new entrants. Southwest Petroleum University, China University of Mining & Technology, CNOOC China Ltd. are the most active new entrants in this area.
Sichuan Sheng, China
Patent: 57
Jiangsu Sheng, China
Patent: 26
Tianjin Shi, China
Patent: 25
Hubei Sheng, China
Patent: 24
Sichuan Sheng, China
Patent: 18
Jilin Sheng, China
Patent: 15
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Patent: 11
Chongqing Shi, China
Patent: 10
Beijing Shi, China
Patent: 9
Beijing Shi, China
Patent: 9
With the analysis among 484 patents, we discovered top 58 universities and scientific research institutions by total patent application. Southwest Petroleum University, China University of Petroleum (East China), China Petroleum University Beijing are dominant in this area. They take 30.17% of the total patent filing.
Sichuan Sheng, China
Patent: 57
Shandong Sheng, China
Patent: 45
Beijing Shi, China
Patent: 36
Jiangsu Sheng, China
Patent: 26
Hubei Sheng, China
Patent: 24
Sichuan Sheng, China
Patent: 18
Jilin Sheng, China
Patent: 15
Hubei Sheng, China
Patent: 15
Beijing Shi, China
Patent: 10
Heilongjiang Sheng, China
Patent: 8