With the analysis among 33 patents, we discovered top 38 key players by total patent application. China Railway Eryuan Engineering Group Co., Ltd., Sinopec Petroleum Engineering Technology Service Co. Ltd., Sinopec North China Petroleum Engineering Co., Ltd. are dominant in this area. They take 18.18% of the total patent filing.
Sichuan Sheng, China
Patent: 2
Sinopec Petroleum Engineering Technology Service Co. Ltd.
Beijing Shi, China
Patent: 2
Henan Sheng, China
Patent: 2
Jiangsu Sheng, China
Patent: 1
Beijing Shi, China
Patent: 1
Yunnan Sheng, China
Patent: 1
Tianjin Shi, China
Patent: 1
Beijing Shi, China
Patent: 1
Henan Sheng, China
Patent: 1
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With the analysis among related 42 patents applied in the last 5 years. We discover 47 most active companies in this area. The fast-growing Institute of Geochemistry, Chinese Academy of Sciences, Shandong University, Sinopec Petroleum Engineering Technology Service Co. Ltd. take 16.67% of patent filing during this period.
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Patent: 3
Shandong Sheng, China
Patent: 2
Sinopec Petroleum Engineering Technology Service Co. Ltd.
Beijing Shi, China
Patent: 2
Shandong Sheng, China
Patent: 2
Sichuan Sheng, China
Patent: 2
Henan Sheng, China
Patent: 2
Jiangsu Sheng, China
Patent: 2
Shaanxi Huafeng Building Materials Co., Ltd.
Shaanxi Sheng, China
Patent: 1
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Patent: 1
Beijing Accidental Environmental Technology Co., Ltd.
Beijing Shi, China
Patent: 1
With the analysis among related 42 patents in last 5 years, we discover 47 new entrants. Institute of Geochemistry, Chinese Academy of Sciences, Shandong University, Sinopec Petroleum Engineering Technology Service Co. Ltd. are the most active new entrants in this area.
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Patent: 3
Shandong Sheng, China
Patent: 2
Sinopec Petroleum Engineering Technology Service Co. Ltd.
Beijing Shi, China
Patent: 2
Shandong Sheng, China
Patent: 2
Sichuan Sheng, China
Patent: 2
Henan Sheng, China
Patent: 2
Jiangsu Sheng, China
Patent: 2
Shaanxi Huafeng Building Materials Co., Ltd.
Shaanxi Sheng, China
Patent: 1
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Patent: 1
Beijing Accidental Environmental Technology Co., Ltd.
Beijing Shi, China
Patent: 1
With the analysis among 36 patents, we discovered top 19 universities and scientific research institutions by total patent application. Qingdao University of Technology, Shandong University, Hohai University are dominant in this area. They take 22.22% of the total patent filing.
Shandong Sheng, China
Patent: 3
Shandong Sheng, China
Patent: 2
Jiangsu Sheng, China
Patent: 2
Shandong Sheng, China
Patent: 2
Jilin Sheng, China
Patent: 1
Shandong Sheng, China
Patent: 1
Beijing Shi, China
Patent: 1
Beijing Shi, China
Patent: 1
Hubei Sheng, China
Patent: 1
Shaanxi Sheng, China
Patent: 1