With the analysis among 36 patents, we discovered top 31 key players by total patent application. Sichuan Traffic Survey and Design Research Institute Co., Ltd., China Railway Tunnel Bureau Group Co., Ltd., Zhejiang Huadong Engineering Consultation Co. Ltd. are dominant in this area. They take 27.78% of the total patent filing.
Sichuan Traffic Survey and Design Research Institute Co., Ltd.
Sichuan Sheng, China
Patent: 6
China Railway Tunnel Bureau Group Co., Ltd.
Guangdong Sheng, China
Patent: 2
Zhejiang Huadong Engineering Consultation Co. Ltd.
Zhejiang Sheng, China
Patent: 2
Powerchina Huadong Engineering Corp. Ltd.
Zhejiang Sheng, China
Patent: 2
Yumen City Changyuan Mining Industry Co. Ltd.
Gansu Sheng, China
Patent: 2
China Railway Construction Bridge Eng Bureau Group Co., Ltd.
Tianjin Shi, China
Patent: 2
Beijing Shi, China
Patent: 1
Jiangsu Sheng, China
Patent: 1
China Gezhouba Group Co., Ltd.
Hubei Sheng, China
Patent: 1
Gansu Jiu Steel Group Hongxing Iron & Steel Co., Ltd.
Gansu Sheng, China
Patent: 1
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With the analysis among related 29 patents applied in the last 5 years. We discover 22 most active companies in this area. The fast-growing Sichuan Traffic Survey and Design Research Institute Co., Ltd., Chengdu University of Technology, East China Jiaotong University take 48.28% of patent filing during this period.
Sichuan Traffic Survey and Design Research Institute Co., Ltd.
Sichuan Sheng, China
Patent: 6
Chengdu University of Technology
Sichuan Sheng, China
Patent: 5
East China Jiaotong University
Jiangxi Sheng, China
Patent: 3
Yumen City Changyuan Mining Industry Co. Ltd.
Gansu Sheng, China
Patent: 2
Powerchina Huadong Engineering Corp. Ltd.
Zhejiang Sheng, China
Patent: 2
Zhejiang Huadong Engineering Consultation Co. Ltd.
Zhejiang Sheng, China
Patent: 2
Jiangxi Geological Disaster Emergency Center
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Patent: 1
Xinjiang Beixin Road & Bridge Group Co., Ltd.
Xinjiang Uygur Zizhiqu, China
Patent: 1
Gansu Western Geotechnical Engineering Co., Ltd.
Gansu Sheng, China
Patent: 1
China Railway Tunnel Bureau Group Co., Ltd.
Guangdong Sheng, China
Patent: 1
With the analysis among related 29 patents in last 5 years, we discover 21 new entrants. Sichuan Traffic Survey and Design Research Institute Co., Ltd., Chengdu University of Technology, East China Jiaotong University are the most active new entrants in this area.
Sichuan Traffic Survey and Design Research Institute Co., Ltd.
Sichuan Sheng, China
Patent: 6
Chengdu University of Technology
Sichuan Sheng, China
Patent: 5
East China Jiaotong University
Jiangxi Sheng, China
Patent: 3
Yumen City Changyuan Mining Industry Co. Ltd.
Gansu Sheng, China
Patent: 2
Powerchina Huadong Engineering Corp. Ltd.
Zhejiang Sheng, China
Patent: 2
Zhejiang Huadong Engineering Consultation Co. Ltd.
Zhejiang Sheng, China
Patent: 2
Jiangxi Geological Disaster Emergency Center
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Patent: 1
Xinjiang Beixin Road & Bridge Group Co., Ltd.
Xinjiang Uygur Zizhiqu, China
Patent: 1
Gansu Western Geotechnical Engineering Co., Ltd.
Gansu Sheng, China
Patent: 1
China Road & Bridge Engineering Co. Ltd.
Beijing Shi, China
Patent: 1
With the analysis among 15 patents, we discovered top 7 universities and scientific research institutions by total patent application. Chengdu University of Technology, East China Jiaotong University, Huaiyin Institute of Technology are dominant in this area. They take 60.00% of the total patent filing.
Chengdu University of Technology
Sichuan Sheng, China
Patent: 5
East China Jiaotong University
Jiangxi Sheng, China
Patent: 3
Huaiyin Institute of Technology
Jiangsu Sheng, China
Patent: 1
Jiangxi University of Science & Technology
Jiangxi Sheng, China
Patent: 1
Southwest Jiaotong University
Sichuan Sheng, China
Patent: 1
Lanzhou University of Technology
Gansu Sheng, China
Patent: 1
Liaoning Sheng, China
Patent: 1