With the analysis among 910 patents, we discovered top 468 key players by total patent application. Yellow River Reconnaissance Planning & Design Co. Ltd., Powerchina Huadong Engineering Corp. Ltd., CCCC Shanghai Channel Survey and Design Research Institute Co., Ltd. are dominant in this area. They take 4.95% of the total patent filing.
Henan Sheng, China
Patent: 21
Zhejiang Sheng, China
Patent: 15
Shanghai Shi, China
Patent: 9
Hubei Sheng, China
Patent: 7
Sichuan Sheng, China
Patent: 7
Shanghai Shi, China
Patent: 7
Yunnan Sheng, China
Patent: 6
Tianjin Shi, China
Patent: 6
Guizhou Sheng, China
Patent: 6
Beijing Shi, China
Patent: 5
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With the analysis among related 1,168 patents applied in the last 5 years. We discover 500 most active companies in this area. The fast-growing Tianjin Institute of Water Transport Engineering, Ministry of Transport, Hohai University, Yellow River Reconnaissance Planning & Design Co. Ltd. take 5.39% of patent filing during this period.
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Patent: 23
Jiangsu Sheng, China
Patent: 22
Henan Sheng, China
Patent: 18
Jiangsu Sheng, China
Patent: 15
Zhejiang Sheng, China
Patent: 13
Zhejiang Sheng, China
Patent: 13
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Patent: 13
Henan Sheng, China
Patent: 12
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Patent: 11
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Patent: 10
With the analysis among related 1,168 patents in last 5 years, we discover 456 new entrants. North China University of Water Conservancy and Hydropower, Dalian University of Technology, Northwest Institute of Ecological Environment and Resources, Chinese Academy of Sciences are the most active new entrants in this area.
Henan Sheng, China
Patent: 12
Liaoning Sheng, China
Patent: 8
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Patent: 8
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Patent: 7
Hubei Sheng, China
Patent: 7
Shandong Sheng, China
Patent: 6
Yunnan Sheng, China
Patent: 6
Gansu Sheng, China
Patent: 6
Sinopec Petroleum Engineering Technology Service Co. Ltd.
Beijing Shi, China
Patent: 5
Henan Sheng, China
Patent: 5
With the analysis among 484 patents, we discovered top 108 universities and scientific research institutions by total patent application. Hohai University, Zhejiang University, Wuhan University are dominant in this area. They take 15.08% of the total patent filing.
Jiangsu Sheng, China
Patent: 28
Zhejiang Sheng, China
Patent: 15
Hubei Sheng, China
Patent: 6
Gansu Sheng, China
Patent: 6
Shandong Sheng, China
Patent: 6
Shanghai Shi, China
Patent: 5
Sichuan Sheng, China
Patent: 5
Beijing Shi, China
Patent: 5
Jiangsu Sheng, China
Patent: 5
Xinjiang Uygur Zizhiqu, China
Patent: 5