With the analysis among 250 patents, we discovered top 172 key players by total patent application. China Railway Liuyuan Group Co., Ltd., China Railway Siyuan Survey & Design Group Co., Ltd., China Railway 12th Bureau Group Co., Ltd. are dominant in this area. They take 10.80% of the total patent filing.
Tianjin Shi, China
Patent: 10
Hubei Sheng, China
Patent: 10
Shanxi Sheng, China
Patent: 7
Shanxi Sheng, China
Patent: 7
Beijing Shi, China
Patent: 6
Guangdong Sheng, China
Patent: 5
Beijing Shi, China
Patent: 5
Beijing Shi, China
Patent: 4
Guangdong Sheng, China
Patent: 4
Beijing Shi, China
Patent: 4
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With the analysis among related 200 patents applied in the last 5 years. We discover 137 most active companies in this area. The fast-growing China Railway Siyuan Survey & Design Group Co., Ltd., China Railway 12th Bureau Group Co., Ltd., Beijing Municipal Fourth Construction Engineering Co Ltd. take 8.50% of patent filing during this period.
Hubei Sheng, China
Patent: 7
Shanxi Sheng, China
Patent: 5
Beijing Shi, China
Patent: 5
Beijing Shi, China
Patent: 5
Shanxi Sheng, China
Patent: 5
Shaanxi Sheng, China
Patent: 4
Anhui Sheng, China
Patent: 3
Hubei Sheng, China
Patent: 3
Shanghai Shi, China
Patent: 3
Beijing Shi, China
Patent: 3
With the analysis among related 200 patents in last 5 years, we discover 104 new entrants. Beijing Municipal Fourth Construction Engineering Co Ltd., China Railway First Survey & Design Institute Group Co., Ltd., China Railway Shanghai Engineering Bureau Group Third Engineering Co., Ltd. are the most active new entrants in this area.
Beijing Shi, China
Patent: 5
Shaanxi Sheng, China
Patent: 4
Anhui Sheng, China
Patent: 3
Hubei Sheng, China
Patent: 3
Shanghai Shi, China
Patent: 3
Beijing Shi, China
Patent: 3
China Railway No. 5 Engineering Group Co., Ltd.
Guizhou Sheng, China
Patent: 3
Shanghai Shi, China
Patent: 3
Beijing Shi, China
Patent: 3
Shanghai Shi, China
Patent: 3
With the analysis among 90 patents, we discovered top 38 universities and scientific research institutions by total patent application. Beijing University of Technology, Southeast University, Southwest Jiaotong University are dominant in this area. They take 13.33% of the total patent filing.
Beijing Shi, China
Patent: 5
Jiangsu Sheng, China
Patent: 4
Sichuan Sheng, China
Patent: 3
Shanghai Shi, China
Patent: 3
China University of Mining & Technology (Beijing)
Beijing Shi, China
Patent: 3
Tianjin Shi, China
Patent: 3
Shanghai Shi, China
Patent: 2
Beijing Shi, China
Patent: 2
Beijing Shi, China
Patent: 2
Liaoning Sheng, China
Patent: 2