With the analysis among 284 patents, we discovered top 108 key players by total patent application. PetroChina Co., Ltd., China Petroleum & Chemical Corp., China National Petroleum Corp. are dominant in this area. They take 53.87% of the total patent filing.
Beijing Shi, China
Patent: 113
Beijing Shi, China
Patent: 26
Beijing Shi, China
Patent: 14
Heilongjiang Sheng, China
Patent: 10
Beijing Shi, China
Patent: 6
Zuid-Holland, Netherlands
Patent: 5
Shaanxi Sheng, China
Patent: 5
Shaanxi Sheng, China
Patent: 4
No data, please try another search term
With the analysis among related 256 patents applied in the last 5 years. We discover 71 most active companies in this area. The fast-growing PetroChina Co., Ltd., Southwest Petroleum University, China University of Petroleum (East China) take 49.22% of patent filing during this period.
Beijing Shi, China
Patent: 61
Sichuan Sheng, China
Patent: 35
Shandong Sheng, China
Patent: 30
Beijing Shi, China
Patent: 20
Shaanxi Sheng, China
Patent: 18
Beijing Shi, China
Patent: 13
Beijing Shi, China
Patent: 10
Beijing Shi, China
Patent: 8
Heilongjiang Sheng, China
Patent: 8
Beijing Shi, China
Patent: 6
With the analysis among related 256 patents in last 5 years, we discover 53 new entrants. University of Science & Technology Beijing, Shaanxi Yanchang Petroleum (Group) Co., Ltd. Research Institute, Northeast Petroleum University are the most active new entrants in this area.
Beijing Shi, China
Patent: 6
Shaanxi Sheng, China
Patent: 5
Heilongjiang Sheng, China
Patent: 4
Sichuan Sheng, China
Patent: 4
Shaanxi Sheng, China
Patent: 4
Tianjin Shi, China
Patent: 3
Shaanxi Sheng, China
Patent: 2
Shandong Sheng, China
Patent: 2
Heilongjiang Sheng, China
Patent: 2
Beijing Shi, China
Patent: 2
With the analysis among 186 patents, we discovered top 20 universities and scientific research institutions by total patent application. China University of Petroleum (East China), Southwest Petroleum University, China Petroleum University Beijing are dominant in this area. They take 58.60% of the total patent filing.
Shandong Sheng, China
Patent: 42
Sichuan Sheng, China
Patent: 42
Beijing Shi, China
Patent: 25
Shaanxi Sheng, China
Patent: 20
Hubei Sheng, China
Patent: 8
Beijing Shi, China
Patent: 6
Beijing Shi, China
Patent: 6
Beijing Shi, China
Patent: 4
Heilongjiang Sheng, China
Patent: 4
Washington, United States
Patent: 3