With the analysis among 7,440 patents, we discovered top 460 key players by total patent application. China Railway Siyuan Survey & Design Group Co., Ltd., Shandong Shengwei Yuanlin Technology Co. Ltd., China Railway Eryuan Engineering Group Co., Ltd. are dominant in this area. They take 1.83% of the total patent filing.
Hubei Sheng, China
Patent: 56
Shandong Sheng, China
Patent: 40
Sichuan Sheng, China
Patent: 40
Beijing Shi, China
Patent: 39
Shanghai Shi, China
Patent: 37
Shandong Sheng, China
Patent: 37
Zhejiang Sheng, China
Patent: 31
Anhui Sheng, China
Patent: 26
Hubei Sheng, China
Patent: 25
Shanghai Shi, China
Patent: 23
With the analysis among 7 patents, we discovered top 2 start-ups by total patent application.
Texas, United States
Patent: 6
Guangdong Sheng, China
Patent: 1
With the analysis among related 4,260 patents applied in the last 5 years. We discover 500 most active companies in this area. The fast-growing Zhejiang University, China University of Geosciences Beijing, Hohai University take 1.90% of patent filing during this period.
Zhejiang Sheng, China
Patent: 29
Hubei Sheng, China
Patent: 27
Jiangsu Sheng, China
Patent: 25
Tianjin Shi, China
Patent: 20
Yunnan Sheng, China
Patent: 18
Jiangsu Sheng, China
Patent: 17
Zhejiang Sheng, China
Patent: 17
Shandong Sheng, China
Patent: 17
Sichuan Sheng, China
Patent: 17
Jiangsu Sheng, China
Patent: 15
With the analysis among related 4,260 patents in last 5 years, we discover 231 new entrants. Tianjin Eco-city Government Landscape Co., Ltd., China Road & Bridge Engineering Co. Ltd., Guangdong Transportation Planning and Design Research Institute Group Co., Ltd. are the most active new entrants in this area.
Tianjin Shi, China
Patent: 20
Beijing Shi, China
Patent: 10
Guangdong Sheng, China
Patent: 8
Gansu Sheng, China
Patent: 8
Chongqing Shi, China
Patent: 7
Jiangsu Sheng, China
Patent: 7
Shandong Sheng, China
Patent: 7
Anhui Sheng, China
Patent: 6
Jiangsu Sheng, China
Patent: 6
Beijing Shi, China
Patent: 6
With the analysis among 3,265 patents, we discovered top 236 universities and scientific research institutions by total patent application. Hohai University, Zhejiang University, Southeast University are dominant in this area. They take 5.94% of the total patent filing.
Jiangsu Sheng, China
Patent: 75
Zhejiang Sheng, China
Patent: 68
Jiangsu Sheng, China
Patent: 51
Sichuan Sheng, China
Patent: 41
Shandong Sheng, China
Patent: 39
Hubei Sheng, China
Patent: 38
Jiangsu Sheng, China
Patent: 37
Tianjin Shi, China
Patent: 36
Shanghai Shi, China
Patent: 34
Shanghai Shi, China
Patent: 33