With the analysis among 3,595 patents, we discovered top 451 key players by total patent application. Guizhou Road & Bridge Group Co. Ltd., Henan Lvjian Construction Technology Co., Ltd., China Railway Siyuan Survey & Design Group Co., Ltd. are dominant in this area. They take 4.17% of the total patent filing.
Guizhou Sheng, China
Patent: 57
Henan Sheng, China
Patent: 53
Hubei Sheng, China
Patent: 40
Gansu Sheng, China
Patent: 27
Jiangsu Sheng, China
Patent: 24
Beijing Shi, China
Patent: 24
Sichuan Sheng, China
Patent: 23
Shaanxi Sheng, China
Patent: 20
Beijing Shi, China
Patent: 19
Beijing Shi, China
Patent: 19
With the analysis among 4 patents, we discovered top 2 start-ups by total patent application.
North Carolina, United States
Patent: 1
With the analysis among related 3,115 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., Henan Lvjian Construction Technology Co., Ltd., Fuzhou University take 4.82% of patent filing during this period.
Guizhou Sheng, China
Patent: 57
Henan Sheng, China
Patent: 53
Fujian Sheng, China
Patent: 40
Hubei Sheng, China
Patent: 34
Beijing Shi, China
Patent: 34
Shaanxi Sheng, China
Patent: 32
Liaoning Sheng, China
Patent: 30
Jiangsu Sheng, China
Patent: 29
Chongqing Shi, China
Patent: 27
Gansu Sheng, China
Patent: 27
With the analysis among related 3,115 patents in last 5 years, we discover 364 new entrants. Guizhou Road & Bridge Group Co. Ltd., Henan Lvjian Construction Technology Co., Ltd., Gansu Province Transportation Planning Survey & Design Inst are the most active new entrants in this area.
Guizhou Sheng, China
Patent: 57
Henan Sheng, China
Patent: 53
Gansu Sheng, China
Patent: 27
Jiangsu Sheng, China
Patent: 18
Guangdong Sheng, China
Patent: 12
Liaoning Sheng, China
Patent: 12
Shaanxi Sheng, China
Patent: 11
Shanghai Shi, China
Patent: 11
Beijing Shi, China
Patent: 9
Shaanxi Sheng, China
Patent: 9
With the analysis among 1,733 patents, we discovered top 192 universities and scientific research institutions by total patent application. Xi'an University of Architecture & Technology, Fuzhou University, Beijing University of Technology are dominant in this area. They take 12.18% of the total patent filing.
Shaanxi Sheng, China
Patent: 104
Fujian Sheng, China
Patent: 54
Beijing Shi, China
Patent: 53
Jiangsu Sheng, China
Patent: 51
Beijing Shi, China
Patent: 47
Liaoning Sheng, China
Patent: 45
Fujian Sheng, China
Patent: 42
Jiangsu Sheng, China
Patent: 42
Chongqing Shi, China
Patent: 38
Shaanxi Sheng, China
Patent: 37