With the analysis among 75 patents, we discovered top 45 key players by total patent application. China Petroleum & Chemical Corp., 3M Innovative Properties Co., Youyan Resources and Environmental Technology Research Institute (Beijing) Co., Ltd. are dominant in this area. They take 25.33% of the total patent filing.
China Petroleum & Chemical Corp.
Beijing Shi, China
Patent: 8
3M Innovative Properties Co.
Minnesota, United States
Patent: 6
Youyan Resources and Environmental Technology Research Institute (Beijing) Co., Ltd.
Beijing Shi, China
Patent: 5
Delaware, United States
Patent: 4
Petroleum Engineering Technology Research Institute of China Petroleum & Chemical Corporation Shengli Oilfield Branch
Shandong Sheng, China
Patent: 4
China Petroleum & Chemical Corp. Jiangsu Youtian Branch
Jiangsu Sheng, China
Patent: 2
Fujian Zhongmeng Environmental Protection Co., Ltd.
Fujian Sheng, China
Patent: 2
Huachen Environmental Energy (Guangzhou) Co., Ltd.
Guangdong Sheng, China
Patent: 2
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With the analysis among related 98 patents applied in the last 5 years. We discover 75 most active companies in this area. The fast-growing Central South University, China Petroleum & Chemical Corp., Petroleum Engineering Technology Research Institute of China Petroleum & Chemical Corporation Shengli Oilfield Branch take 15.31% of patent filing during this period.
Hunan Sheng, China
Patent: 6
China Petroleum & Chemical Corp.
Beijing Shi, China
Patent: 5
Petroleum Engineering Technology Research Institute of China Petroleum & Chemical Corporation Shengli Oilfield Branch
Shandong Sheng, China
Patent: 4
Delaware, United States
Patent: 4
Institute of Hydrogeology and Environmental Geology, Chinese Academy of Geological Sciences
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Patent: 3
Youyan Resources and Environmental Technology Research Institute (Beijing) Co., Ltd.
Beijing Shi, China
Patent: 3
Institute of Light Industry Environmental Protection
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Patent: 3
Liaoning Sheng, China
Patent: 2
Hubei Sheng, China
Patent: 2
With the analysis among related 98 patents in last 5 years, we discover 71 new entrants. Central South University, Petroleum Engineering Technology Research Institute of China Petroleum & Chemical Corporation Shengli Oilfield Branch, ConocoPhillips Co. are the most active new entrants in this area.
Hunan Sheng, China
Patent: 6
Petroleum Engineering Technology Research Institute of China Petroleum & Chemical Corporation Shengli Oilfield Branch
Shandong Sheng, China
Patent: 4
Delaware, United States
Patent: 4
Institute of Hydrogeology and Environmental Geology, Chinese Academy of Geological Sciences
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Patent: 3
Institute of Light Industry Environmental Protection
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Patent: 3
Liaoning Sheng, China
Patent: 2
Hubei Sheng, China
Patent: 2
Fujian Zhongmeng Environmental Protection Co., Ltd.
Fujian Sheng, China
Patent: 2
Shanghai Shi, China
Patent: 2
With the analysis among 80 patents, we discovered top 34 universities and scientific research institutions by total patent application. Central South University, Taiyuan University of Technology, Sun Yat-Sen University are dominant in this area. They take 17.50% of the total patent filing.
Hunan Sheng, China
Patent: 6
Taiyuan University of Technology
Shanxi Sheng, China
Patent: 3
Guangdong Sheng, China
Patent: 2
Shanghai Shi, China
Patent: 2
Hubei Sheng, China
Patent: 2
Liaoning Sheng, China
Patent: 2
Southwest Petroleum University
Sichuan Sheng, China
Patent: 2
The University of Queensland
Queensland, Australia
Patent: 1
Shandong Sheng, China
Patent: 1
Shanghai Shi, China
Patent: 1