With the analysis among 149 patents, we discovered top 105 key players by total patent application. China Petroleum & Chemical Corp., Nanjing Gaowei Surface Technology Co., PetroChina Co., Ltd. are dominant in this area. They take 9.40% of the total patent filing.
China Petroleum & Chemical Corp.
Beijing Shi, China
Patent: 6
Nanjing Gaowei Surface Technology Co.
Jiangsu Sheng, China
Patent: 5
Beijing Shi, China
Patent: 3
Sinopec Beijing Research Institute of Chemical Industry
Beijing Shi, China
Patent: 3
Beijing Lewen Science & Technology Development Co. Ltd.
Beijing Shi, China
Patent: 3
Massachusetts, United States
Patent: 2
Aichi-ken, Japan
Patent: 2
North Huajin Chemical Industries Co., Ltd.
Liaoning Sheng, China
Patent: 2
Hubei Wanrun New Energy Technology Co., Ltd.
Hubei Sheng, China
Patent: 2
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With the analysis among related 167 patents applied in the last 5 years. We discover 133 most active companies in this area. The fast-growing Nanjing Gaowei Surface Technology Co., Central South University, Institute of Geochemistry, Chinese Academy of Sciences take 8.98% of patent filing during this period.
Nanjing Gaowei Surface Technology Co.
Jiangsu Sheng, China
Patent: 5
Hunan Sheng, China
Patent: 5
Institute of Geochemistry, Chinese Academy of Sciences
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Patent: 5
Anhui University of Technology
Anhui Sheng, China
Patent: 5
Kunming University of Science & Technology
Yunnan Sheng, China
Patent: 4
Shandong Institute of Geological Sciences
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Patent: 4
Nanjing Normal University
Jiangsu Sheng, China
Patent: 3
China Petroleum & Chemical Corp.
Beijing Shi, China
Patent: 3
Beijing Lewen Science & Technology Development Co. Ltd.
Beijing Shi, China
Patent: 3
Institute of Process Engineering, Chinese Academy of Sciences
Beijing Shi, China
Patent: 3
With the analysis among related 167 patents in last 5 years, we discover 120 new entrants. Nanjing Gaowei Surface Technology Co., Institute of Geochemistry, Chinese Academy of Sciences, Anhui University of Technology are the most active new entrants in this area.
Nanjing Gaowei Surface Technology Co.
Jiangsu Sheng, China
Patent: 5
Institute of Geochemistry, Chinese Academy of Sciences
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Patent: 5
Anhui University of Technology
Anhui Sheng, China
Patent: 5
Kunming University of Science & Technology
Yunnan Sheng, China
Patent: 4
Shandong Institute of Geological Sciences
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Patent: 4
Beijing Lewen Science & Technology Development Co. Ltd.
Beijing Shi, China
Patent: 3
Institute of Process Engineering, Chinese Academy of Sciences
Beijing Shi, China
Patent: 3
Beijing Shi, China
Patent: 3
Shenzhen Graduate School of Tsinghua University
Henan Sheng, China
Patent: 3
With the analysis among 127 patents, we discovered top 65 universities and scientific research institutions by total patent application. Central South University, Anhui University of Technology, Nanjing Normal University are dominant in this area. They take 13.39% of the total patent filing.
Hunan Sheng, China
Patent: 7
Anhui University of Technology
Anhui Sheng, China
Patent: 5
Nanjing Normal University
Jiangsu Sheng, China
Patent: 4
Kunming University of Science & Technology
Yunnan Sheng, China
Patent: 4
Shanghai Shi, China
Patent: 3
South China University of Technology
Guangdong Sheng, China
Patent: 3
Dalian Institute of Chemical Physics Chinese Academy of Sciences
Liaoning Sheng, China
Patent: 3
University of Science & Technology Beijing
Beijing Shi, China
Patent: 3
Henan Sheng, China
Patent: 3
Tianjin Shi, China
Patent: 3