With the analysis among 94 patents, we discovered top 85 key players by total patent application. PetroChina Co., Ltd., China Oilfield Services Ltd., Nanjing Kexing New Material Technology Co., Ltd. are dominant in this area. They take 18.09% of the total patent filing.
Beijing Shi, China
Patent: 11
Tianjin Shi, China
Patent: 3
Jiangsu Sheng, China
Patent: 3
Guizhou Sheng, China
Patent: 3
Beijing Shi, China
Patent: 2
Beijing Shi, China
Patent: 2
Hunan Sheng, China
Patent: 2
Beijing Shi, China
Patent: 2
Shanghai Shi, China
Patent: 2
Guizhou Sheng, China
Patent: 2
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With the analysis among related 201 patents applied in the last 5 years. We discover 126 most active companies in this area. The fast-growing China University of Mining & Technology, Xi'an University of Technology, Zhejiang University take 16.42% of patent filing during this period.
Jiangsu Sheng, China
Patent: 15
Shaanxi Sheng, China
Patent: 9
Zhejiang Sheng, China
Patent: 9
Hunan Sheng, China
Patent: 7
Jiangsu Sheng, China
Patent: 7
Beijing Shi, China
Patent: 7
Tianjin Shi, China
Patent: 6
Sichuan Sheng, China
Patent: 6
Jiangsu Sheng, China
Patent: 5
Zhejiang Sheng, China
Patent: 5
With the analysis among related 201 patents in last 5 years, we discover 96 new entrants. Zhejiang Institute of Technology, China Oilfield Services Ltd., China Institute of Water Resources and Hydropower Research are the most active new entrants in this area.
Zhejiang Sheng, China
Patent: 5
Tianjin Shi, China
Patent: 3
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Patent: 3
Anhui Sheng, China
Patent: 3
Jiangsu Sheng, China
Patent: 3
Guizhou Sheng, China
Patent: 3
Beijing Shi, China
Patent: 2
Zhejiang Sheng, China
Patent: 2
Chongqing Shi, China
Patent: 2
Beijing Shi, China
Patent: 2
With the analysis among 244 patents, we discovered top 63 universities and scientific research institutions by total patent application. Hohai University, China University of Mining & Technology, Chongqing University are dominant in this area. They take 19.26% of the total patent filing.
Jiangsu Sheng, China
Patent: 18
Jiangsu Sheng, China
Patent: 17
Chongqing Shi, China
Patent: 12
Hunan Sheng, China
Patent: 11
Zhejiang Sheng, China
Patent: 10
Shaanxi Sheng, China
Patent: 10
Sichuan Sheng, China
Patent: 9
Tianjin Shi, China
Patent: 8
Shandong Sheng, China
Patent: 7
Shanghai Shi, China
Patent: 5