With the analysis among 478 patents, we discovered top 81 key players by total patent application. PetroChina Co., Ltd., China Petroleum & Chemical Corp., Saudi Arabian Oil Co. are dominant in this area. They take 54.81% of the total patent filing.
Beijing Shi, China
Patent: 118
Beijing Shi, China
Patent: 87
Shandong Sheng, China
Patent: 21
Texas, United States
Patent: 20
Tianjin Shi, China
Patent: 17
Zuid-Holland, Netherlands
Patent: 16
Delaware, United States
Patent: 14
Henan Sheng, China
Patent: 14
Texas, United States
Patent: 13
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With the analysis among related 340 patents applied in the last 5 years. We discover 84 most active companies in this area. The fast-growing PetroChina Co., Ltd., Saudi Arabian Oil Co., China Petroleum & Chemical Corp. take 47.06% of patent filing during this period.
Beijing Shi, China
Patent: 62
Beijing Shi, China
Patent: 48
Beijing Shi, China
Patent: 18
Beijing Shi, China
Patent: 17
Tianjin Shi, China
Patent: 15
Shandong Sheng, China
Patent: 12
Texas, United States
Patent: 12
Beijing Shi, China
Patent: 11
Pennsylvania, United States
Patent: 10
With the analysis among related 340 patents in last 5 years, we discover 54 new entrants. Chevron, Inc., Landmark Graphics Corp., Chengdu University of Technology are the most active new entrants in this area.
Pennsylvania, United States
Patent: 10
Texas, United States
Patent: 8
Sichuan Sheng, China
Patent: 6
Beijing Shi, China
Patent: 6
Hubei Sheng, China
Patent: 5
Heilongjiang Sheng, China
Patent: 4
Beijing Shi, China
Patent: 4
Beijing Shi, China
Patent: 3
Sichuan Sheng, China
Patent: 2
Shanghai Shi, China
Patent: 2
With the analysis among 235 patents, we discovered top 28 universities and scientific research institutions by total patent application. China Petroleum University Beijing, China University of Petroleum (East China), Southwest Petroleum University are dominant in this area. They take 49.79% of the total patent filing.
Beijing Shi, China
Patent: 46
Shandong Sheng, China
Patent: 22
Sichuan Sheng, China
Patent: 16
Beijing Shi, China
Patent: 8
Sichuan Sheng, China
Patent: 6
Hubei Sheng, China
Patent: 6
Hubei Sheng, China
Patent: 5
Shaanxi Sheng, China
Patent: 5
Beijing Shi, China
Patent: 4
Washington, United States
Patent: 4