With the analysis among 366 patents, we discovered top 247 key players by total patent application. Hitachi Ltd., TOSHIBA Corp., Matsushita Electronics Corp. are dominant in this area. They take 8.47% of the total patent filing.
Tokyo-to, Japan
Patent: 12
Tokyo-to, Japan
Patent: 10
Matsushita Electronics Corp.
Powerchina Huadong Engineering Corp. Ltd.
Zhejiang Sheng, China
Patent: 7
Mitsubishi Heavy Industries, Ltd.
Mitsubishi Electric Corp.
Hubei Sheng, China
Patent: 4
Shanghai Investigation, Design & Research Institute
Shanghai Shi, China
Patent: 4
With the analysis among 1 patents, we discovered top 1 start-ups by total patent application.
Beijing Terminus Technology Group Co.,. Ltd.
Beijing Shi, China
Patent: 1
With the analysis among related 172 patents applied in the last 5 years. We discover 133 most active companies in this area. The fast-growing Hohai University, Powerchina Huadong Engineering Corp. Ltd., China Three Gorges University take 12.79% of patent filing during this period.
Jiangsu Sheng, China
Patent: 9
Powerchina Huadong Engineering Corp. Ltd.
Zhejiang Sheng, China
Patent: 7
China Three Gorges University
Hubei Sheng, China
Patent: 6
Nanjing Hydraulic Research Institute
Jiangsu Sheng, China
Patent: 5
China Institute of Water Resources and Hydropower Research
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Patent: 4
Yangtze Three Gorges Navigation Administration
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Patent: 4
Hubei Sheng, China
Patent: 4
China University of Geosciences Beijing
Hubei Sheng, China
Patent: 4
Wuhan Zhongke Aquatic Environment Engineering Co. Ltd.
Hubei Sheng, China
Patent: 4
Beijing Normal University
Beijing Shi, China
Patent: 4
With the analysis among related 172 patents in last 5 years, we discover 119 new entrants. Powerchina Huadong Engineering Corp. Ltd., Yangtze Three Gorges Navigation Administration, China Three Gorges Corp. are the most active new entrants in this area.
Powerchina Huadong Engineering Corp. Ltd.
Zhejiang Sheng, China
Patent: 7
Yangtze Three Gorges Navigation Administration
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Patent: 4
Hubei Sheng, China
Patent: 4
Wuhan Zhongke Aquatic Environment Engineering Co. Ltd.
Hubei Sheng, China
Patent: 4
Xinjiang Water Resources and Hydropower Survey, Design and Research Institute Co., Ltd.
Xinjiang Uygur Zizhiqu, China
Patent: 3
Huatian Engineering & Technology Corp.
Anhui Sheng, China
Patent: 3
Langfang Branch of Hebei Provincial Institute of Metrology Supervision and Testing
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Patent: 2
Xiamen Kangpu Sanitary Ware Technology Co., Ltd.
Fujian Sheng, China
Patent: 2
North China University of Water Conservancy and Hydropower
Henan Sheng, China
Patent: 2
Institute of Environment and Engineering in Cold and Arid Regions, Chinese Academy of Sciences
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Patent: 2
With the analysis among 169 patents, we discovered top 49 universities and scientific research institutions by total patent application. Hohai University, China Three Gorges University, Beijing Normal University are dominant in this area. They take 17.75% of the total patent filing.
Jiangsu Sheng, China
Patent: 15
China Three Gorges University
Hubei Sheng, China
Patent: 8
Beijing Normal University
Beijing Shi, China
Patent: 5
China University of Geosciences Beijing
Hubei Sheng, China
Patent: 5
Zhejiang Sheng, China
Patent: 3
Hefei University of Technology
Anhui Sheng, China
Patent: 3
Hubei Sheng, China
Patent: 3
Chongqing Shi, China
Patent: 3
Jiangsu Sheng, China
Patent: 2
Gansu Sheng, China
Patent: 2