With the analysis among 828 patents, we discovered top 472 key players by total patent application. CCCC Second Harbor Engineering Bureau Co. Ltd., Central Research Institute of Bldg & Construction Co., Ltd., China Railway Construction Group Co., Ltd. are dominant in this area. They take 3.38% of the total patent filing.
Hubei Sheng, China
Patent: 10
Beijing Shi, China
Patent: 9
Beijing Shi, China
Patent: 9
Tianjin Shi, China
Patent: 9
Shanghai Shi, China
Patent: 8
Beijing Shi, China
Patent: 8
Beijing Shi, China
Patent: 8
Guangdong Sheng, China
Patent: 8
Shanghai Shi, China
Patent: 7
Hubei Sheng, China
Patent: 7
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With the analysis among related 1,006 patents applied in the last 5 years. We discover 500 most active companies in this area. The fast-growing China Railway Construction Group Co., Ltd., Beijing University of Technology, China Railway Design Group Co., Ltd. take 2.68% of patent filing during this period.
Beijing Shi, China
Patent: 9
Beijing Shi, China
Patent: 9
Tianjin Shi, China
Patent: 9
Beijing Shi, China
Patent: 9
Guangdong Sheng, China
Patent: 8
Beijing Shi, China
Patent: 8
Shanghai Shi, China
Patent: 8
Beijing Shi, China
Patent: 8
Hubei Sheng, China
Patent: 8
Chongqing Shi, China
Patent: 7
With the analysis among related 1,006 patents in last 5 years, we discover 490 new entrants. China Railway Construction Group Co., Ltd., Beijing University of Technology, China Railway Design Group Co., Ltd. are the most active new entrants in this area.
Beijing Shi, China
Patent: 9
Beijing Shi, China
Patent: 9
Tianjin Shi, China
Patent: 9
Beijing Shi, China
Patent: 9
Guangdong Sheng, China
Patent: 8
Beijing Shi, China
Patent: 8
Shanghai Shi, China
Patent: 8
Beijing Shi, China
Patent: 8
Chongqing Shi, China
Patent: 7
Hubei Sheng, China
Patent: 7
With the analysis among 201 patents, we discovered top 69 universities and scientific research institutions by total patent application. Beijing University of Technology, Southeast University, Chongqing University are dominant in this area. They take 12.44% of the total patent filing.
Beijing Shi, China
Patent: 9
Jiangsu Sheng, China
Patent: 9
Chongqing Shi, China
Patent: 7
Hunan Sheng, China
Patent: 6
Shandong Sheng, China
Patent: 6
Shanghai Shi, China
Patent: 5
Shaanxi Sheng, China
Patent: 5
Jiangsu Sheng, China
Patent: 5
Tianjin Shi, China
Patent: 5
Zhejiang Sheng, China
Patent: 4