With the analysis among 849 patents, we discovered top 348 key players by total patent application. Shimizu Corp., Ohbayashi Corp., Kajima Corp. are dominant in this area. They take 9.31% of the total patent filing.
Tokyo-to, Japan
Patent: 30
Jiangsu Sheng, China
Patent: 28
Jiangsu Sheng, China
Patent: 21
Tokyo-to, Japan
Patent: 19
Tokyo-to, Japan
Patent: 15
Washington, United States
Patent: 12
Shanghai Shi, China
Patent: 9
Industrial Engineering Co.
Kurita Water Industries Ltd.
Rheinland-Pfalz, Germany
Patent: 7
With the analysis among 3 patents, we discovered top 2 start-ups by total patent application.
Illinois, United States
Patent: 2
With the analysis among related 190 patents applied in the last 5 years. We discover 126 most active companies in this area. The fast-growing China University of Geosciences Beijing, Hohai University, University Of Jinan take 9.47% of patent filing during this period.
China University of Geosciences Beijing
Hubei Sheng, China
Patent: 7
Jiangsu Sheng, China
Patent: 6
Shandong Sheng, China
Patent: 5
China Institute of Water Resources and Hydropower Research
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Patent: 4
China University of Geosciences
Beijing Shi, China
Patent: 4
Institute of Karst Geology, Chinese Academy of Geological Sciences
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Patent: 4
Shanghai Shi, China
Patent: 3
Institute of Hydrogeology and Environmental Geology, Chinese Academy of Geological Sciences
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Patent: 3
Anhui University of Science & Technology
Anhui Sheng, China
Patent: 3
Korea Atomic Energy Research Institute
With the analysis among related 190 patents in last 5 years, we discover 87 new entrants. University Of Jinan, Tongji University, Zhejiang Communications Construction Group Co., Ltd. are the most active new entrants in this area.
Shandong Sheng, China
Patent: 5
Shanghai Shi, China
Patent: 3
Zhejiang Communications Construction Group Co., Ltd.
Zhejiang Sheng, China
Patent: 2
Anhui Technical College of Industry and Economy
Anhui Sheng, China
Patent: 2
Liaoning Water Conservancy and Hydropower Survey, Design and Research Institute Co., Ltd.
Liaoning Sheng, China
Patent: 2
Guangzhou Railway Vocational and Technical College (Guangzhou Railway Machinery School)
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Patent: 2
Anhui Natural Space Information Technology Co., Ltd.
Anhui Sheng, China
Patent: 2
Southwest Jiaotong University
Sichuan Sheng, China
Patent: 2
Shenzhen Nanke Environmental Protection Technology Co., Ltd.
Guangdong Sheng, China
Patent: 2
Shaanxi Yanchang Petroleum (Group) Co., Ltd. Research Institute
Shaanxi Sheng, China
Patent: 2
With the analysis among 332 patents, we discovered top 72 universities and scientific research institutions by total patent application. China University of Geosciences Beijing, Hohai University, China University of Mining & Technology (Beijing) are dominant in this area. They take 15.36% of the total patent filing.
China University of Geosciences Beijing
Hubei Sheng, China
Patent: 19
Jiangsu Sheng, China
Patent: 16
China University of Mining & Technology (Beijing)
Beijing Shi, China
Patent: 10
Anhui University of Science & Technology
Anhui Sheng, China
Patent: 9
China University of Geosciences
Beijing Shi, China
Patent: 9
Jilin Sheng, China
Patent: 7
Tianjin Shi, China
Patent: 7
Jiangsu Sheng, China
Patent: 6
Railway Technical Research Institute
Shandong Sheng, China
Patent: 5