With the analysis among 238 patents, we discovered top 96 key players by total patent application. China Petroleum & Chemical Corp., PetroChina Co., Ltd., China National Offshore Oil Corp. are dominant in this area. They take 32.35% of the total patent filing.
Beijing Shi, China
Patent: 33
Beijing Shi, China
Patent: 28
Beijing Shi, China
Patent: 16
Tianjin Shi, China
Patent: 16
Beijing Shi, China
Patent: 14
Beijing Shi, China
Patent: 9
Heilongjiang Sheng, China
Patent: 8
Delaware, United States
Patent: 8
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With the analysis among related 189 patents applied in the last 5 years. We discover 84 most active companies in this area. The fast-growing China Petroleum & Chemical Corp., PetroChina Co., Ltd., Kemira Oyj take 31.75% of patent filing during this period.
Beijing Shi, China
Patent: 24
Beijing Shi, China
Patent: 22
Tianjin Shi, China
Patent: 13
Beijing Shi, China
Patent: 12
Beijing Shi, China
Patent: 11
Beijing Shi, China
Patent: 10
Sichuan Sheng, China
Patent: 9
Beijing Shi, China
Patent: 6
With the analysis among related 189 patents in last 5 years, we discover 66 new entrants. Kemira Oyj, Beijing University of Chemical Technology, Tianjin Dongfang Huaze Energy Technology Co., Ltd. are the most active new entrants in this area.
Beijing Shi, China
Patent: 5
Tianjin Shi, China
Patent: 5
Henan Sheng, China
Patent: 4
Shandong Sheng, China
Patent: 3
Shandong Sheng, China
Patent: 3
Beijing Shi, China
Patent: 3
Shandong Sheng, China
Patent: 3
Texas, United States
Patent: 3
With the analysis among 91 patents, we discovered top 17 universities and scientific research institutions by total patent application. Southwest Petroleum University, Northeast Petroleum University, China University of Petroleum (East China) are dominant in this area. They take 58.24% of the total patent filing.
Sichuan Sheng, China
Patent: 15
Heilongjiang Sheng, China
Patent: 9
Shandong Sheng, China
Patent: 5
Beijing Shi, China
Patent: 5
Shanghai Shi, China
Patent: 1
Beijing Shi, China
Patent: 1
Sichuan Sheng, China
Patent: 1
Anhui Sheng, China
Patent: 1
Hubei Sheng, China
Patent: 1
Zhejiang Sheng, China
Patent: 1