With the analysis among 481 patents, we discovered top 352 key players by total patent application. Powerchina Chengdu Engineering Corp. Ltd., State Grid Corp. of China, Powerchina Guiyang Engineering Corp. Ltd. are dominant in this area. They take 10.81% of the total patent filing.
Sichuan Sheng, China
Patent: 23
Beijing Shi, China
Patent: 19
Guizhou Sheng, China
Patent: 10
Hubei Sheng, China
Patent: 9
Shanghai Shi, China
Patent: 9
Zhejiang Sheng, China
Patent: 7
Sichuan Sheng, China
Patent: 7
Shanghai Shi, China
Patent: 7
Beijing Shi, China
Patent: 6
Henan Sheng, China
Patent: 6
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With the analysis among related 458 patents applied in the last 5 years. We discover 315 most active companies in this area. The fast-growing Hohai University, Wuhan University, Powerchina Chengdu Engineering Corp. Ltd. take 8.30% of patent filing during this period.
Jiangsu Sheng, China
Patent: 19
Hubei Sheng, China
Patent: 10
Sichuan Sheng, China
Patent: 9
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Patent: 8
Hubei Sheng, China
Patent: 8
Beijing Shi, China
Patent: 7
Shaanxi Sheng, China
Patent: 6
Shanghai Shi, China
Patent: 6
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Patent: 6
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Patent: 5
With the analysis among related 458 patents in last 5 years, we discover 281 new entrants. Powerchina Xibei Engineering Corp. Ltd., Yangtse River Water Conservancy Committee Shuiwen Bureau, China Three Gorges University are the most active new entrants in this area.
Shaanxi Sheng, China
Patent: 6
Hubei Sheng, China
Patent: 4
Jilin Sheng, China
Patent: 3
Jiangsu Sheng, China
Patent: 3
Anhui Sheng, China
Patent: 3
Yunnan Sheng, China
Patent: 3
Beijing Shi, China
Patent: 3
Jiangsu Sheng, China
Patent: 3
Hubei Sheng, China
Patent: 3
With the analysis among 248 patents, we discovered top 60 universities and scientific research institutions by total patent application. Hohai University, Wuhan University, Yangzhou University are dominant in this area. They take 24.19% of the total patent filing.
Jiangsu Sheng, China
Patent: 30
Hubei Sheng, China
Patent: 15
Jiangsu Sheng, China
Patent: 5
Tianjin Shi, China
Patent: 5
Hubei Sheng, China
Patent: 4
Jilin Sheng, China
Patent: 3
Sichuan Sheng, China
Patent: 3
Hubei Sheng, China
Patent: 3
Shandong Sheng, China
Patent: 3
Hunan Sheng, China
Patent: 3