With the analysis among 128 patents, we discovered top 95 key players by total patent application. China Petroleum & Chemical Corp., Beijing Wolfe Environmental Technology Co., Ltd., Wuhan GLT EnergyEnviron.Tech. Co., Ltd. are dominant in this area. They take 17.19% of the total patent filing.
Beijing Shi, China
Patent: 7
Beijing Shi, China
Patent: 6
Hubei Sheng, China
Patent: 4
Beijing Shi, China
Patent: 4
Beijing Shi, China
Patent: 3
Yantai Juli Isocyanate Co. Ltd.
Shandong Sheng, China
Patent: 3
Shanxi Sheng, China
Patent: 3
Shaanxi Sheng, China
Patent: 3
Shijiazhuang Jieming Environmental Protection Technology Co., Ltd.
Hebei Sheng, China
Patent: 3
Beijing Shi, China
Patent: 2
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With the analysis among related 111 patents applied in the last 5 years. We discover 54 most active companies in this area. The fast-growing Zhejiang University, North University of China, Beijing University of Chemical Technology take 39.64% of patent filing during this period.
Zhejiang Sheng, China
Patent: 18
Shanxi Sheng, China
Patent: 14
Beijing Shi, China
Patent: 12
Jiangxi Sheng, China
Patent: 4
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Patent: 4
Jiangsu Sheng, China
Patent: 3
Shijiazhuang Jieming Environmental Protection Technology Co., Ltd.
Hebei Sheng, China
Patent: 3
Jiangsu Sheng, China
Patent: 2
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Patent: 2
Anhui Sheng, China
Patent: 2
With the analysis among related 111 patents in last 5 years, we discover 41 new entrants. Pingxiang University, Shijiazhuang Jieming Environmental Protection Technology Co., Ltd., Shanghai Lanjier Security Technology Co., Ltd. are the most active new entrants in this area.
Jiangxi Sheng, China
Patent: 4
Shijiazhuang Jieming Environmental Protection Technology Co., Ltd.
Hebei Sheng, China
Patent: 3
Shanghai Shi, China
Patent: 2
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Patent: 2
Anhui Sheng, China
Patent: 2
Shandong Sheng, China
Patent: 2
Hebei Sheng, China
Patent: 2
Anhui Sheng, China
Patent: 2
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Patent: 2
Hebei Sheng, China
Patent: 1
With the analysis among 190 patents, we discovered top 39 universities and scientific research institutions by total patent application. Beijing University of Chemical Technology, North University of China, Zhejiang University are dominant in this area. They take 50.00% of the total patent filing.
Beijing Shi, China
Patent: 42
Shanxi Sheng, China
Patent: 30
Zhejiang Sheng, China
Patent: 23
Zhejiang Sheng, China
Patent: 9
Zhejiang Sheng, China
Patent: 4
Beijing Shi, China
Patent: 4
Zhejiang Sheng, China
Patent: 4
Jiangsu Sheng, China
Patent: 4
Shandong Sheng, China
Patent: 3
Hainan Sheng, China
Patent: 3