With the analysis among 136 patents, we discovered top 46 key players by total patent application. Powerchina Chengdu Engineering Corp. Ltd., Powerchina Huadong Engineering Corp. Ltd., Powerchina Guiyang Engineering Corp. Ltd. are dominant in this area. They take 41.18% of the total patent filing.
Sichuan Sheng, China
Patent: 27
Zhejiang Sheng, China
Patent: 19
Guizhou Sheng, China
Patent: 10
Hubei Sheng, China
Patent: 7
Yunnan Sheng, China
Patent: 5
Henan Sheng, China
Patent: 4
Hunan Sheng, China
Patent: 4
Shaanxi Sheng, China
Patent: 4
Yunnan Sheng, China
Patent: 3
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With the analysis among related 88 patents applied in the last 5 years. We discover 37 most active companies in this area. The fast-growing Powerchina Huadong Engineering Corp. Ltd., Nanjing Hydraulic Research Institute, Sichuan University take 35.23% of patent filing during this period.
Zhejiang Sheng, China
Patent: 17
Jiangsu Sheng, China
Patent: 7
Sichuan Sheng, China
Patent: 7
Guizhou Sheng, China
Patent: 6
Sichuan Sheng, China
Patent: 4
Sichuan Sheng, China
Patent: 4
Tianjin Shi, China
Patent: 3
Yunnan Sheng, China
Patent: 3
Yunnan Sheng, China
Patent: 3
Hubei Sheng, China
Patent: 3
With the analysis among related 88 patents in last 5 years, we discover 26 new entrants. Sinohydro Bureau 7 Co. Ltd., Zhongshui North Survey, Design and Research Co., Ltd., Powerchina Kunming Engineering Corp. Ltd. are the most active new entrants in this area.
Sichuan Sheng, China
Patent: 4
Tianjin Shi, China
Patent: 3
Yunnan Sheng, China
Patent: 3
Yunnan Sheng, China
Patent: 2
Zhejiang Sheng, China
Patent: 1
Sinohydro Engineering Bureau 4 Co., Ltd.
Qinghai Sheng, China
Patent: 1
Zhejiang Sheng, China
Patent: 1
Yunnan Sheng, China
Patent: 1
Hebei Sheng, China
Patent: 1
Beijing Shi, China
Patent: 1
With the analysis among 57 patents, we discovered top 14 universities and scientific research institutions by total patent application. Sichuan University, China Three Gorges University, Tianjin University are dominant in this area. They take 50.88% of the total patent filing.
Sichuan Sheng, China
Patent: 16
Hubei Sheng, China
Patent: 4
Tianjin Shi, China
Patent: 4
Yunnan Sheng, China
Patent: 2
Shanghai Shi, China
Patent: 1
Beijing Shi, China
Patent: 1
Hunan Sheng, China
Patent: 1
Anhui Sheng, China
Patent: 1
Zhejiang Sheng, China
Patent: 1
Chongqing Shi, China
Patent: 1