With the analysis among 1,111 patents, we discovered top 461 key players by total patent application. SGIDI Engineering Consulting (Group) Co. Ltd., Powerchina Huadong Engineering Corp. Ltd., ChangJiang Survey, Planning, Design and Research Co., Ltd are dominant in this area. They take 2.43% of the total patent filing.
SGIDI Engineering Consulting (Group) Co. Ltd.
Shanghai Shi, China
Patent: 11
Powerchina Huadong Engineering Corp. Ltd.
Zhejiang Sheng, China
Patent: 8
ChangJiang Survey, Planning, Design and Research Co., Ltd
Hubei Sheng, China
Patent: 8
China Railway Siyuan Survey & Design Group Co., Ltd.
Hubei Sheng, China
Patent: 7
Shandong Dongbo Equipment Manufacturing and Installation Co., Ltd.
Shandong Sheng, China
Patent: 7
China Railway Engineering Equipment Group Co., Ltd.
Henan Sheng, China
Patent: 6
Shandong Jingbo Holding Development Co. Ltd.
Shandong Sheng, China
Patent: 5
Beijing Municipal Construction Group Co., Ltd.
Beijing Shi, China
Patent: 5
China Railway 15th Bureau Group Co., Ltd.
Shanghai Shi, China
Patent: 5
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With the analysis among related 1,656 patents applied in the last 5 years. We discover 500 most active companies in this area. The fast-growing Hohai University, China University of Geosciences Beijing, Chang'an University take 2.23% of patent filing during this period.
Jiangsu Sheng, China
Patent: 13
China University of Geosciences Beijing
Hubei Sheng, China
Patent: 13
Shaanxi Sheng, China
Patent: 11
China University of Mining & Technology
Jiangsu Sheng, China
Patent: 10
Jiangsu Sheng, China
Patent: 10
Shanghai Shi, China
Patent: 8
ChangJiang Survey, Planning, Design and Research Co., Ltd
Hubei Sheng, China
Patent: 8
China Railway Siyuan Survey & Design Group Co., Ltd.
Hubei Sheng, China
Patent: 7
Powerchina Huadong Engineering Corp. Ltd.
Zhejiang Sheng, China
Patent: 7
Hunan Sheng, China
Patent: 7
With the analysis among related 1,656 patents in last 5 years, we discover 469 new entrants. Chang'an University, China University of Mining & Technology, ChangJiang Survey, Planning, Design and Research Co., Ltd are the most active new entrants in this area.
Shaanxi Sheng, China
Patent: 11
China University of Mining & Technology
Jiangsu Sheng, China
Patent: 10
ChangJiang Survey, Planning, Design and Research Co., Ltd
Hubei Sheng, China
Patent: 8
China Railway Siyuan Survey & Design Group Co., Ltd.
Hubei Sheng, China
Patent: 7
Hunan Sheng, China
Patent: 7
Shandong Dongbo Equipment Manufacturing and Installation Co., Ltd.
Shandong Sheng, China
Patent: 7
Yangtze River Water Conservancy Commission Yangtze River Academy of Sciences
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Patent: 6
Zhejiang University City College
Zhejiang Sheng, China
Patent: 6
China Railway Engineering Equipment Group Co., Ltd.
Henan Sheng, China
Patent: 6
Chongqing Shi, China
Patent: 5
With the analysis among 562 patents, we discovered top 169 universities and scientific research institutions by total patent application. Hohai University, China University of Geosciences Beijing, Southeast University are dominant in this area. They take 7.65% of the total patent filing.
Jiangsu Sheng, China
Patent: 17
China University of Geosciences Beijing
Hubei Sheng, China
Patent: 14
Jiangsu Sheng, China
Patent: 12
Shaanxi Sheng, China
Patent: 11
China University of Mining & Technology
Jiangsu Sheng, China
Patent: 10
Shanghai Shi, China
Patent: 9
Zhejiang Sheng, China
Patent: 9
Nanjing Forestry University
Jiangsu Sheng, China
Patent: 9
Jilin Sheng, China
Patent: 7
Hunan Sheng, China
Patent: 7