With the analysis among 5,546 patents, we discovered top 485 key players by total patent application. Hunan Qiu Zeyou Patent Strategy Planning Co., Ltd., Shimizu Corp., Kajima Corp. are dominant in this area. They take 3.97% of the total patent filing.
Hunan Sheng, China
Patent: 82
Tokyo-to, Japan
Patent: 74
Jiangsu Sheng, China
Patent: 64
Shanghai Shi, China
Patent: 56
Hubei Sheng, China
Patent: 53
Shanghai Shi, China
Patent: 47
Sichuan Sheng, China
Patent: 45
Tokyo-to, Japan
Patent: 44
Liaoning Sheng, China
Patent: 33
Osaka-fu, Japan
Patent: 33
With the analysis among 1 patents, we discovered top 1 start-ups by total patent application.
With the analysis among related 1,248 patents applied in the last 5 years. We discover 500 most active companies in this area. The fast-growing China Road & Bridge Engineering Co. Ltd., China Construction Second Bureau, Shenyang Jianzhu University take 4.57% of patent filing during this period.
Beijing Shi, China
Patent: 22
Beijing Shi, China
Patent: 19
Liaoning Sheng, China
Patent: 16
Sichuan Sheng, China
Patent: 13
Hubei Sheng, China
Patent: 12
Schaan, Liechtenstein
Patent: 11
Beijing Shi, China
Patent: 8
Beijing Shi, China
Patent: 8
Beijing Shi, China
Patent: 7
Hubei Sheng, China
Patent: 7
With the analysis among related 1,248 patents in last 5 years, we discover 338 new entrants. China Academy of Railway Sciences Group Co. Ltd., China Railway Maglev Transportation Investment Construction Co, Cccc East China Engineering Co Ltd. are the most active new entrants in this area.
Beijing Shi, China
Patent: 8
Hubei Sheng, China
Patent: 7
Shanghai Shi, China
Patent: 5
Georgia, United States
Patent: 5
Guangdong Sheng, China
Patent: 4
Hunan Sheng, China
Patent: 4
Jiangsu Sheng, China
Patent: 3
Guangdong Sheng, China
Patent: 3
Guangxi Zhuangzu Zizhiqu, China
Patent: 3
Jiangsu Sheng, China
Patent: 3
With the analysis among 848 patents, we discovered top 127 universities and scientific research institutions by total patent application. Guizhou University, Southeast University, Beijing University of Technology are dominant in this area. They take 20.17% of the total patent filing.
Guizhou Sheng, China
Patent: 79
Jiangsu Sheng, China
Patent: 67
Beijing Shi, China
Patent: 25
Liaoning Sheng, China
Patent: 22
Sichuan Sheng, China
Patent: 20
Shanghai Shi, China
Patent: 18
Hunan Sheng, China
Patent: 18
Tianjin Shi, China
Patent: 17
Jiangsu Sheng, China
Patent: 16
Zhejiang Sheng, China
Patent: 12