With the analysis among 78 patents, we discovered top 63 key players by total patent application. Degussa AG, China Petroleum & Chemical Corp., PetroChina Co., Ltd. are dominant in this area. They take 12.82% of the total patent filing.
Beijing Shi, China
Patent: 3
Beijing Shi, China
Patent: 2
Jiangsu Sheng, China
Patent: 2
Jiangsu Sheng, China
Patent: 2
Shanghai Petrochemical Research Institute of China Petroleum & Chemical Corporation
Shanghai Shi, China
Patent: 2
Beijing Shi, China
Patent: 1
Henan Sheng, China
Patent: 1
Hunan Sheng, China
Patent: 1
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With the analysis among related 12 patents applied in the last 5 years. We discover 14 most active companies in this area. The fast-growing Nanjing Gongda Membrane Engineering Design and Research Institute Co., Ltd., Nanjing University of Technology, Fuzhou University take 25.00% of patent filing during this period.
Nanjing Gongda Membrane Engineering Design and Research Institute Co., Ltd.
Jiangsu Sheng, China
Patent: 1
Jiangsu Sheng, China
Patent: 1
Fujian Sheng, China
Patent: 1
Jiangsu Sheng, China
Patent: 1
Jiangsu Sheng, China
Patent: 1
Shanxi Sheng, China
Patent: 1
Hubei Sheng, China
Patent: 1
Shandong Sheng, China
Patent: 1
Beijing Shi, China
Patent: 1
Beijing Shi, China
Patent: 1
With the analysis among related 12 patents in last 5 years, we discover 11 new entrants. Hubei Hongyuan Pharmaceutical Technology Co., Ltd., Nanjing Gongda Membrane Engineering Design and Research Institute Co., Ltd., Nanjing University of Technology are the most active new entrants in this area.
Hubei Sheng, China
Patent: 1
Nanjing Gongda Membrane Engineering Design and Research Institute Co., Ltd.
Jiangsu Sheng, China
Patent: 1
Jiangsu Sheng, China
Patent: 1
Shandong Sheng, China
Patent: 1
Fujian Sheng, China
Patent: 1
Beijing Shi, China
Patent: 1
Jiangxi Sheng, China
Patent: 1
Jiangsu Sheng, China
Patent: 1
Jiangsu Sheng, China
Patent: 1
Shanxi Sheng, China
Patent: 1
With the analysis among 44 patents, we discovered top 28 universities and scientific research institutions by total patent application. Shanghai Jiao Tong University, Beijing University of Technology, Nanjing University are dominant in this area. They take 13.64% of the total patent filing.
Shanghai Shi, China
Patent: 2
Beijing Shi, China
Patent: 2
Jiangsu Sheng, China
Patent: 2
Henan Sheng, China
Patent: 2
Shanghai Shi, China
Patent: 1
Shanxi Sheng, China
Patent: 1
Shanghai Shi, China
Patent: 1
Beijing Shi, China
Patent: 1
Liaoning Sheng, China
Patent: 1
Anhui Sheng, China
Patent: 1