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 Qiu Zeyou Patent Strategy Planning Co., Ltd.
Hunan Sheng, China
Patent: 82
Tokyo-to, Japan
Patent: 74
Jiangsu Sheng, China
Patent: 64
Shanghai Shi, China
Patent: 56
China Railway Siyuan Survey & Design Group Co., Ltd.
Hubei Sheng, China
Patent: 53
China Construction Eighth Engineering Division Corp. Ltd.
Shanghai Shi, China
Patent: 47
China Railway Eryuan Engineering Group Co., Ltd.
Sichuan Sheng, China
Patent: 45
Tokyo-to, Japan
Patent: 44
Daiwa House Industry Co., Ltd.
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.
China Road & Bridge Engineering Co. Ltd.
Beijing Shi, China
Patent: 22
China Construction Second Bureau
Beijing Shi, China
Patent: 19
Shenyang Jianzhu University
Liaoning Sheng, China
Patent: 16
China Railway Eryuan Engineering Group Co., Ltd.
Sichuan Sheng, China
Patent: 13
China Railway Siyuan Survey & Design Group Co., Ltd.
Hubei Sheng, China
Patent: 12
Schaan, Liechtenstein
Patent: 11
China Academy of Railway Sciences Group Co. Ltd.
Beijing Shi, China
Patent: 8
Railway Construction Research Institute of China Academy of Railway Sciences Group Co., Ltd.
Beijing Shi, China
Patent: 8
China Railway Jianzhu Group Co., Ltd.
Beijing Shi, China
Patent: 7
China Railway Maglev Transportation Investment Construction Co
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.
China Academy of Railway Sciences Group Co. Ltd.
Beijing Shi, China
Patent: 8
China Railway Maglev Transportation Investment Construction Co
Hubei Sheng, China
Patent: 7
Cccc East China Engineering Co Ltd.
Shanghai Shi, China
Patent: 5
AGC Flat Glass North America, Inc.
Georgia, United States
Patent: 5
Guangdong Sheng, China
Patent: 4
Hunan University of Technology
Hunan Sheng, China
Patent: 4
Nantong Huarong Construction Group Building Materials Technology Co., Ltd.
Jiangsu Sheng, China
Patent: 3
China Construction Fourth Bureau Shenzhen Industrial Co., Ltd.
Guangdong Sheng, China
Patent: 3
Guangxi Road & Bridge Engineering Corp.
Guangxi Zhuangzu Zizhiqu, China
Patent: 3
Southern Lions Creation Group Co., Ltd.
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 University of Technology
Beijing Shi, China
Patent: 25
Shenyang Jianzhu University
Liaoning Sheng, China
Patent: 22
Southwest Jiaotong University
Sichuan Sheng, China
Patent: 20
Shanghai Shi, China
Patent: 18
Hunan Sheng, China
Patent: 18
Tianjin Shi, China
Patent: 17
Nanjing University of Technology
Jiangsu Sheng, China
Patent: 16
Zhejiang Sheng, China
Patent: 12