With the analysis among 1,620 patents, we discovered top 461 key players by total patent application. Kajima Corp., Powerchina Guiyang Engineering Corp. Ltd., Shimizu Corp. are dominant in this area. They take 3.15% of the total patent filing.
Jiangsu Sheng, China
Patent: 22
Guizhou Sheng, China
Patent: 15
Tokyo-to, Japan
Patent: 14
Tokyo-to, Japan
Patent: 13
Jiangsu Sheng, China
Patent: 13
Shanghai Shi, China
Patent: 10
Guangdong Sheng, China
Patent: 10
Anhui Sheng, China
Patent: 10
Hubei Sheng, China
Patent: 10
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With the analysis among related 1,860 patents applied in the last 5 years. We discover 500 most active companies in this area. The fast-growing Hohai University, China Institute of Water Resources and Hydropower Research, Chang'an University take 2.85% of patent filing during this period.
Jiangsu Sheng, China
Patent: 21
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Patent: 19
Shaanxi Sheng, China
Patent: 13
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Patent: 13
Shandong Sheng, China
Patent: 11
Hubei Sheng, China
Patent: 11
Hubei Sheng, China
Patent: 11
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Patent: 10
Guizhou Sheng, China
Patent: 10
Hubei Sheng, China
Patent: 9
With the analysis among related 1,860 patents in last 5 years, we discover 414 new entrants. Chang'an University, Hebei Geological Environment Monitoring Institute (Hebei Geological Disaster Emergency Technology Center, Hebei Geological Environment Monitoring Station), Institute of Hydrogeology and Environmental Geology, Chinese Academy of Geological Sciences are the most active new entrants in this area.
Shaanxi Sheng, China
Patent: 13
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Patent: 13
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Patent: 7
Chongqing Shi, China
Patent: 6
Anhui Sheng, China
Patent: 6
Heilongjiang Sheng, China
Patent: 6
Beijing Shi, China
Patent: 6
Tianjin Shi, China
Patent: 6
Fujian Sheng, China
Patent: 6
Shanghai Shi, China
Patent: 6
With the analysis among 702 patents, we discovered top 146 universities and scientific research institutions by total patent application. Hohai University, China University of Geosciences Beijing, Shandong University are dominant in this area. They take 10.40% of the total patent filing.
Jiangsu Sheng, China
Patent: 35
Hubei Sheng, China
Patent: 16
Shandong Sheng, China
Patent: 15
Hubei Sheng, China
Patent: 15
Shaanxi Sheng, China
Patent: 13
Sichuan Sheng, China
Patent: 10
China University of Mining & Technology (Beijing)
Beijing Shi, China
Patent: 9
Jiangsu Sheng, China
Patent: 9
Zhejiang Sheng, China
Patent: 8
Zhejiang Sheng, China
Patent: 8