With the analysis among 336 patents, we discovered top 107 key players by total patent application. Powerchina Chengdu Engineering Corp. Ltd., Powerchina Guiyang Engineering Corp. Ltd., China Jianghe Real Estate Development Co. are dominant in this area. They take 37.50% of the total patent filing.
Sichuan Sheng, China
Patent: 73
Guizhou Sheng, China
Patent: 31
Beijing Shi, China
Patent: 22
Zhejiang Sheng, China
Patent: 20
Hubei Sheng, China
Patent: 17
Henan Sheng, China
Patent: 15
Shaanxi Sheng, China
Patent: 11
Hubei Sheng, China
Patent: 10
Shandong Sheng, China
Patent: 8
Guangxi Zhuangzu Zizhiqu, China
Patent: 7
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With the analysis among related 228 patents applied in the last 5 years. We discover 90 most active companies in this area. The fast-growing Powerchina Chengdu Engineering Corp. Ltd., China Jianghe Real Estate Development Co., China Institute of Water Resources and Hydropower Research take 27.63% of patent filing during this period.
Sichuan Sheng, China
Patent: 27
Beijing Shi, China
Patent: 20
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Patent: 16
Hubei Sheng, China
Patent: 16
Guizhou Sheng, China
Patent: 14
Hubei Sheng, China
Patent: 13
Zhejiang Sheng, China
Patent: 12
Beijing Shi, China
Patent: 11
Jiangsu Sheng, China
Patent: 10
Henan Sheng, China
Patent: 9
With the analysis among related 228 patents in last 5 years, we discover 67 new entrants. Shazhou Vocational and Technical College, Sinohydro Bureau 7 Co. Ltd., Shandong Water Conservancy Group Co., Ltd. are the most active new entrants in this area.
Jiangsu Sheng, China
Patent: 8
Sichuan Sheng, China
Patent: 8
Shandong Sheng, China
Patent: 8
Sinohydro Engineering Bureau 4 Co., Ltd.
Qinghai Sheng, China
Patent: 7
Jiangsu Sheng, China
Patent: 5
Guizhou Sheng, China
Patent: 4
Hubei Sheng, China
Patent: 4
Three Gorges Jinsha River Chuanyun Hydropower Development Co., Ltd. Yongshan Xiluodu Power Plant
Yunnan Sheng, China
Patent: 3
Fujian Sheng, China
Patent: 2
Jiangsu Sheng, China
Patent: 2
With the analysis among 134 patents, we discovered top 29 universities and scientific research institutions by total patent application. Tsinghua University, China Three Gorges University, Hohai University are dominant in this area. They take 46.27% of the total patent filing.
Beijing Shi, China
Patent: 22
Hubei Sheng, China
Patent: 18
Jiangsu Sheng, China
Patent: 13
Sichuan Sheng, China
Patent: 8
Jiangsu Sheng, China
Patent: 5
Tianjin Shi, China
Patent: 5
Hubei Sheng, China
Patent: 4
Beijing Shi, China
Patent: 2
Yunnan Sheng, China
Patent: 2
Shaanxi Sheng, China
Patent: 2