With the analysis among 341 patents, we discovered top 201 key players by total patent application. Powerchina Huadong Engineering Corp. Ltd., Powerchina Chengdu Engineering Corp. Ltd., TAISEI Corp. are dominant in this area. They take 15.25% of the total patent filing.
Zhejiang Sheng, China
Patent: 29
Sichuan Sheng, China
Patent: 12
Tokyo-to, Japan
Patent: 11
Guizhou Sheng, China
Patent: 11
Hubei Sheng, China
Patent: 10
Jiangsu Sheng, China
Patent: 8
Hunan Sheng, China
Patent: 8
Shaanxi Sheng, China
Patent: 7
With the analysis among 1 patents, we discovered top 1 start-ups by total patent application.
New York, United States
Patent: 1
With the analysis among related 197 patents applied in the last 5 years. We discover 122 most active companies in this area. The fast-growing Powerchina Huadong Engineering Corp. Ltd., Powerchina Chengdu Engineering Corp. Ltd., Powerchina Zhongnan Engineering Corp. Ltd. take 23.35% of patent filing during this period.
Zhejiang Sheng, China
Patent: 28
Sichuan Sheng, China
Patent: 10
Hunan Sheng, China
Patent: 8
Shaanxi Sheng, China
Patent: 7
Hubei Sheng, China
Patent: 7
Hubei Sheng, China
Patent: 7
Zhejiang Sheng, China
Patent: 6
Sichuan Sheng, China
Patent: 6
Guizhou Sheng, China
Patent: 5
Zhejiang Sheng, China
Patent: 4
With the analysis among related 197 patents in last 5 years, we discover 102 new entrants. Powerchina Zhongnan Engineering Corp. Ltd., Powerchina Xibei Engineering Corp. Ltd., Zhejiang Design Institute of Water Conservancy and Hydroelectric Power are the most active new entrants in this area.
Hunan Sheng, China
Patent: 8
Shaanxi Sheng, China
Patent: 7
Zhejiang Sheng, China
Patent: 6
Zhejiang Sheng, China
Patent: 4
Beijing Shi, China
Patent: 4
Yunnan Sheng, China
Patent: 3
Tianjin Shi, China
Patent: 3
Hubei Sheng, China
Patent: 3
Beijing Shi, China
Patent: 3
Chongqing Shi, China
Patent: 3
With the analysis among 57 patents, we discovered top 20 universities and scientific research institutions by total patent application. China University of Geosciences Beijing, China University of Mining & Technology, Northwest A&F University are dominant in this area. They take 36.84% of the total patent filing.
Hubei Sheng, China
Patent: 8
Jiangsu Sheng, China
Patent: 7
Shaanxi Sheng, China
Patent: 2
Hunan Sheng, China
Patent: 1
Beijing Shi, China
Patent: 1
Heilongjiang Sheng, China
Patent: 1
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Patent: 1
Guangdong Sheng, China
Patent: 1
Beijing Shi, China
Patent: 1
Hubei Sheng, China
Patent: 1