With the analysis among 639 patents, we discovered top 428 key players by total patent application. Powerchina Huadong Engineering Corp. Ltd., Powerchina Chengdu Engineering Corp. Ltd., Powerchina Guiyang Engineering Corp. Ltd. are dominant in this area. They take 4.38% of the total patent filing.
Zhejiang Sheng, China
Patent: 14
Sichuan Sheng, China
Patent: 7
Guizhou Sheng, China
Patent: 7
Anhui Sheng, China
Patent: 4
Jiangsu Sheng, China
Patent: 4
Chongqing Shi, China
Patent: 4
Henan Sheng, China
Patent: 4
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With the analysis among related 384 patents applied in the last 5 years. We discover 277 most active companies in this area. The fast-growing Powerchina Huadong Engineering Corp. Ltd., Hohai University, China Institute of Water Resources and Hydropower Research take 5.47% of patent filing during this period.
Zhejiang Sheng, China
Patent: 10
Jiangsu Sheng, China
Patent: 6
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Patent: 5
Anhui Sheng, China
Patent: 4
Jiangsu Sheng, China
Patent: 4
Guangdong Sheng, China
Patent: 3
Shaanxi Sheng, China
Patent: 3
Yunnan Sheng, China
Patent: 3
Chongqing Shi, China
Patent: 3
Tianjin Shi, China
Patent: 3
With the analysis among related 384 patents in last 5 years, we discover 245 new entrants. Huatian Engineering & Technology Corp., China Metallurgical Huatian Nanjing Engineering Technology Co., Ltd., Guangzhou Municipal Engineering Design & Research Institute are the most active new entrants in this area.
Anhui Sheng, China
Patent: 4
Jiangsu Sheng, China
Patent: 4
Guangdong Sheng, China
Patent: 3
Shaanxi Sheng, China
Patent: 3
Tianjin Shi, China
Patent: 2
Hubei Sheng, China
Patent: 2
Research Center For Eco-Environmental Sciences
Beijing Shi, China
Patent: 2
Shandong Sheng, China
Patent: 2
Guizhou Sheng, China
Patent: 2
Henan Sheng, China
Patent: 2
With the analysis among 262 patents, we discovered top 72 universities and scientific research institutions by total patent application. Hohai University, Zhejiang University, Beijing Forestry University are dominant in this area. They take 11.45% of the total patent filing.
Jiangsu Sheng, China
Patent: 14
Zhejiang Sheng, China
Patent: 6
Beijing Shi, China
Patent: 6
Yunnan Sheng, China
Patent: 6
Chongqing Shi, China
Patent: 6
Tianjin Shi, China
Patent: 6
Chongqing Shi, China
Patent: 5
Guizhou Sheng, China
Patent: 5
Beijing Shi, China
Patent: 4
Hubei Sheng, China
Patent: 4