With the analysis among 38 patents, we discovered top 19 key players by total patent application. China Petroleum & Chemical Corp., PetroChina Co., Ltd., Elf Aquitaine Fertilisants are dominant in this area. They take 57.89% of the total patent filing.
Beijing Shi, China
Patent: 8
Beijing Shi, China
Patent: 7
Beijing Shi, China
Patent: 3
Shandong Sheng, China
Patent: 2
Shandong Sheng, China
Patent: 2
Tianjin Shi, China
Patent: 1
Illinois, United States
Patent: 1
Heilongjiang Sheng, China
Patent: 1
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With the analysis among related 39 patents applied in the last 5 years. We discover 25 most active companies in this area. The fast-growing China Petroleum & Chemical Corp., Yangtze University, PetroChina Co., Ltd. take 35.90% of patent filing during this period.
Beijing Shi, China
Patent: 6
Hubei Sheng, China
Patent: 4
Beijing Shi, China
Patent: 4
Beijing Shi, China
Patent: 4
Sichuan Sheng, China
Patent: 3
Xinjiang Uygur Zizhiqu, China
Patent: 3
Shandong Sheng, China
Patent: 2
Beijing Shi, China
Patent: 2
Beijing Shi, China
Patent: 2
With the analysis among related 39 patents in last 5 years, we discover 17 new entrants. Chengdu University of Technology, Xinjiang University, Saudi Arabian Oil Co. are the most active new entrants in this area.
Sichuan Sheng, China
Patent: 3
Xinjiang Uygur Zizhiqu, China
Patent: 3
Beijing Shi, China
Patent: 2
Sichuan Sheng, China
Patent: 2
Texas, United States
Patent: 1
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Patent: 1
Shanxi Sheng, China
Patent: 1
Jiangsu Sheng, China
Patent: 1
Jiangsu Sheng, China
Patent: 1
With the analysis among 41 patents, we discovered top 15 universities and scientific research institutions by total patent application. Yangtze University, China University of Geosciences, China University of Petroleum (East China) are dominant in this area. They take 39.02% of the total patent filing.
Hubei Sheng, China
Patent: 6
Beijing Shi, China
Patent: 5
Shandong Sheng, China
Patent: 4
Xinjiang Uygur Zizhiqu, China
Patent: 3
Sichuan Sheng, China
Patent: 3
Sichuan Sheng, China
Patent: 2
Beijing Shi, China
Patent: 2
Sichuan Sheng, China
Patent: 1
Shanxi Sheng, China
Patent: 1