With the analysis among 1,947 patents, we discovered top 467 key players by total patent application. Guizhou Road & Bridge Group Co. Ltd., China Railway Siyuan Survey & Design Group Co., Ltd., Gansu Province Transportation Planning Survey & Design Inst are dominant in this area. They take 6.27% of the total patent filing.
Guizhou Sheng, China
Patent: 64
Hubei Sheng, China
Patent: 33
Gansu Sheng, China
Patent: 25
Beijing Shi, China
Patent: 18
China Railway Major Bridge Engineering Group Co., Ltd.
Hubei Sheng, China
Patent: 17
Beijing Shi, China
Patent: 16
Guangdong Sheng, China
Patent: 16
Henan Sheng, China
Patent: 14
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With the analysis among related 1,770 patents applied in the last 5 years. We discover 500 most active companies in this area. The fast-growing Guizhou Road & Bridge Group Co. Ltd., China Railway Siyuan Survey & Design Group Co., Ltd., Gansu Province Transportation Planning Survey & Design Inst take 6.89% of patent filing during this period.
Guizhou Sheng, China
Patent: 64
Hubei Sheng, China
Patent: 33
Gansu Sheng, China
Patent: 25
Shaanxi Sheng, China
Patent: 24
Hunan Sheng, China
Patent: 21
Fujian Sheng, China
Patent: 20
Jiangsu Sheng, China
Patent: 20
Beijing Shi, China
Patent: 18
China Railway Major Bridge Engineering Group Co., Ltd.
Hubei Sheng, China
Patent: 17
Shandong Sheng, China
Patent: 16
With the analysis among related 1,770 patents in last 5 years, we discover 449 new entrants. Guizhou Road & Bridge Group Co. Ltd., China Railway Siyuan Survey & Design Group Co., Ltd., Gansu Province Transportation Planning Survey & Design Inst are the most active new entrants in this area.
Guizhou Sheng, China
Patent: 64
Hubei Sheng, China
Patent: 33
Gansu Sheng, China
Patent: 25
Shaanxi Sheng, China
Patent: 24
Hunan Sheng, China
Patent: 21
Beijing Shi, China
Patent: 18
China Railway Major Bridge Engineering Group Co., Ltd.
Hubei Sheng, China
Patent: 17
Shandong Sheng, China
Patent: 16
Guangdong Sheng, China
Patent: 16
Beijing Shi, China
Patent: 16
With the analysis among 720 patents, we discovered top 115 universities and scientific research institutions by total patent application. Xi'an University of Architecture & Technology, Southeast University, Fuzhou University are dominant in this area. They take 11.94% of the total patent filing.
Shaanxi Sheng, China
Patent: 24
Jiangsu Sheng, China
Patent: 24
Fujian Sheng, China
Patent: 22
Hunan Sheng, China
Patent: 21
Beijing Shi, China
Patent: 20
Shanghai Shi, China
Patent: 18
Shaanxi Sheng, China
Patent: 17
Hubei Sheng, China
Patent: 16
Shandong Sheng, China
Patent: 16
Chongqing Shi, China
Patent: 15