With the analysis among 281 patents, we discovered top 214 key players by total patent application. China Three Gorges Corp., Powerchina Guiyang Engineering Corp. Ltd., Powerchina Chengdu Engineering Corp. Ltd. are dominant in this area. They take 9.25% of the total patent filing.
Hubei Sheng, China
Patent: 11
Guizhou Sheng, China
Patent: 8
Sichuan Sheng, China
Patent: 7
Beijing Shi, China
Patent: 6
Zhejiang Sheng, China
Patent: 6
Hubei Sheng, China
Patent: 6
Henan Sheng, China
Patent: 4
Guangdong Sheng, China
Patent: 4
Guizhou Sheng, China
Patent: 3
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With the analysis among related 497 patents applied in the last 5 years. We discover 264 most active companies in this area. The fast-growing China Institute of Water Resources and Hydropower Research, Hohai University, Yangtze River Water Conservancy Commission Yangtze River Academy of Sciences take 15.69% of patent filing during this period.
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Patent: 36
Jiangsu Sheng, China
Patent: 22
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Patent: 20
Sichuan Sheng, China
Patent: 16
Jiangsu Sheng, China
Patent: 10
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Patent: 9
Hubei Sheng, China
Patent: 9
Hubei Sheng, China
Patent: 8
Jiangsu Sheng, China
Patent: 7
With the analysis among related 497 patents in last 5 years, we discover 230 new entrants. Yangtse River Water Conservancy Committee Shuiwen Bureau, Yangzhou University, Nanjing Normal University are the most active new entrants in this area.
Jiangsu Sheng, China
Patent: 7
Jiangsu Sheng, China
Patent: 5
Henan Sheng, China
Patent: 4
Hubei Water Resources & Hydropwr Planning Survey & Design Inst
Hubei Sheng, China
Patent: 4
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Patent: 3
Liaoning Sheng, China
Patent: 3
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Patent: 3
Henan Sheng, China
Patent: 3
Hubei Sheng, China
Patent: 3
With the analysis among 382 patents, we discovered top 56 universities and scientific research institutions by total patent application. Hohai University, Sichuan University, Wuhan University are dominant in this area. They take 26.70% of the total patent filing.
Jiangsu Sheng, China
Patent: 30
Sichuan Sheng, China
Patent: 17
Hubei Sheng, China
Patent: 17
Jiangsu Sheng, China
Patent: 7
Henan Sheng, China
Patent: 7
Chongqing Shi, China
Patent: 6
Zhejiang Sheng, China
Patent: 5
Beijing Shi, China
Patent: 5
Jiangsu Sheng, China
Patent: 5
Yunnan Sheng, China
Patent: 4