With the analysis among 149 patents, we discovered top 97 key players by total patent application. China Petroleum & Chemical Corp., Beijing Wolfe Environmental Technology Co., Ltd., PetroChina Co., Ltd. are dominant in this area. They take 18.79% of the total patent filing.
China Petroleum & Chemical Corp.
Beijing Shi, China
Patent: 10
Beijing Wolfe Environmental Technology Co., Ltd.
Beijing Shi, China
Patent: 7
Beijing Shi, China
Patent: 6
Zhejiang Huake Chemical Equipment Co., Ltd.
Zhejiang Sheng, China
Patent: 5
União Brasileira De Educação E Assistência
Suzhou Haiji Environmental Technology Co., Ltd.
Jiangsu Sheng, China
Patent: 4
China National Petroleum Corp.
Beijing Shi, China
Patent: 3
Beijing Water Business Doctor Co., Ltd.
Beijing Shi, China
Patent: 3
China Petroleum Engineering Co. Ltd.
Beijing Shi, China
Patent: 3
Henan Xinlianxin Chemical Industry Group Co., Ltd.
Henan Sheng, China
Patent: 3
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With the analysis among related 62 patents applied in the last 5 years. We discover 31 most active companies in this area. The fast-growing Zhejiang University, Nanjing University, Beijing University of Chemical Technology take 45.16% of patent filing during this period.
Zhejiang Sheng, China
Patent: 19
Jiangsu Sheng, China
Patent: 5
Beijing University of Chemical Technology
Beijing Shi, China
Patent: 4
Zhejiang University of Technology
Zhejiang Sheng, China
Patent: 3
North University of China
Shanxi Sheng, China
Patent: 2
Institute of General Engineering, China Academy of Engineering Physics
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Patent: 2
Zhejiang Ocean University
Zhejiang Sheng, China
Patent: 2
Zhejiang Xinchuangxing Technology Co., Ltd.
Zhejiang Sheng, China
Patent: 2
Nanjing Hydraulic Research Institute
Jiangsu Sheng, China
Patent: 1
Zhejiang Lvjian Environmental Protection Engineering Co., Ltd.
Zhejiang Sheng, China
Patent: 1
With the analysis among related 62 patents in last 5 years, we discover 21 new entrants. Nanjing University, Zhejiang Ocean University, Institute of General Engineering, China Academy of Engineering Physics are the most active new entrants in this area.
Jiangsu Sheng, China
Patent: 5
Zhejiang Ocean University
Zhejiang Sheng, China
Patent: 2
Institute of General Engineering, China Academy of Engineering Physics
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Patent: 2
Zhejiang Xinchuangxing Technology Co., Ltd.
Zhejiang Sheng, China
Patent: 2
Zhejiang Lvjian Environmental Protection Engineering Co., Ltd.
Zhejiang Sheng, China
Patent: 1
Anhui Huangshi Muscovy Duck Food Co., Ltd.
Anhui Sheng, China
Patent: 1
Beijing Qingda Huayi Technology Co., Ltd.
Beijing Shi, China
Patent: 1
Inha University Research & Business Foundation
Jiangsu Lvhe Environmental Protection Technology Co., Ltd.
Jiangsu Sheng, China
Patent: 1
China Institute of Water Resources and Hydropower Research
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Patent: 1
With the analysis among 157 patents, we discovered top 30 universities and scientific research institutions by total patent application. Beijing University of Chemical Technology, Zhejiang University, North University of China are dominant in this area. They take 45.86% of the total patent filing.
Beijing University of Chemical Technology
Beijing Shi, China
Patent: 31
Zhejiang Sheng, China
Patent: 25
North University of China
Shanxi Sheng, China
Patent: 16
Zhejiang University of Technology
Zhejiang Sheng, China
Patent: 11
Jiangsu Sheng, China
Patent: 5
Kunming University of Science & Technology
Yunnan Sheng, China
Patent: 4
Technical Institute of Physics & Chemistry CAS
Beijing Shi, China
Patent: 4
South China University of Technology
Guangdong Sheng, China
Patent: 3
Beijing Shi, China
Patent: 3
Zhejiang Sci-Tech University
Zhejiang Sheng, China
Patent: 3