With the analysis among 458 patents, we discovered top 267 key players by total patent application. Shimizu Corp., Takenaka Corp., Kajima Corp. are dominant in this area. They take 5.90% of the total patent filing.
Tokyo-to, Japan
Patent: 10
Shanghai Shi, China
Patent: 9
Jiangsu Sheng, China
Patent: 8
California, United States
Patent: 6
Jiangsu Sheng, China
Patent: 4
Zhejiang Sheng, China
Patent: 4
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With the analysis among related 49 patents applied in the last 5 years. We discover 34 most active companies in this area. The fast-growing Powerchina Guiyang Engineering Corp. Ltd., Nanjing Huicheng Water Treatment Equipment Co., Ltd., Geotechnical Engineering Co., Ltd. of Guiyang Survey, Design and Research Institute of China Hydropower Consulting Group take 18.37% of patent filing during this period.
Guizhou Sheng, China
Patent: 3
Jiangsu Sheng, China
Patent: 3
Guizhou Sheng, China
Patent: 3
Sichuan Sheng, China
Patent: 2
Guangdong Sheng, China
Patent: 1
Yunnan Geological Environment Monitoring Institute
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Patent: 1
Pingle County National Middle School
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Patent: 1
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Patent: 1
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Patent: 1
Guangdong Sheng, China
Patent: 1
With the analysis among related 49 patents in last 5 years, we discover 29 new entrants. Nanjing Huicheng Water Treatment Equipment Co., Ltd., Safine Precision Machinery Co. Ltd., Yunnan Geological Environment Monitoring Institute are the most active new entrants in this area.
Jiangsu Sheng, China
Patent: 3
Sichuan Sheng, China
Patent: 2
Yunnan Geological Environment Monitoring Institute
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Patent: 1
Pingle County National Middle School
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Patent: 1
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Patent: 1
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Patent: 1
Chongqing Baidicheng Tourism Development Co., Ltd.
Chongqing Shi, China
Patent: 1
Hunan Sheng, China
Patent: 1
Hunan Nanyue Hengshan National Nature Reserve Administration
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Patent: 1
Inuo (Dalian) Technology Co., Ltd.
Liaoning Sheng, China
Patent: 1
With the analysis among 39 patents, we discovered top 15 universities and scientific research institutions by total patent application. University Of Jinan, Railway Technical Research Institute, Tohoku University are dominant in this area. They take 20.51% of the total patent filing.
Shandong Sheng, China
Patent: 4
Miyagi-ken, Japan
Patent: 1
Sichuan Sheng, China
Patent: 1
São Paulo, Brazil
Patent: 1
Hubei Sheng, China
Patent: 1
Okayama-ken, Japan
Patent: 1
Jiangsu Sheng, China
Patent: 1
Xinjiang Uygur Zizhiqu, China
Patent: 1