With the analysis among 4,190 patents, we discovered top 466 key players by total patent application. Construction Research & Technology GmbH, Shimizu Corp., Ohbayashi Corp. are dominant in this area. They take 4.61% of the total patent filing.
Tokyo-to, Japan
Patent: 46
Jiangsu Sheng, China
Patent: 46
New York, United States
Patent: 45
Shaanxi Sheng, China
Patent: 42
Jiangsu Sheng, China
Patent: 35
Sichuan Sheng, China
Patent: 30
With the analysis among 17 patents, we discovered top 2 start-ups by total patent application.
Hamburg, Germany
Patent: 8
With the analysis among related 2,069 patents applied in the last 5 years. We discover 500 most active companies in this area. The fast-growing Southwest Jiaotong University, Shandong University of Science & Technology, China Railway Tunnel Bureau Group Co., Ltd. take 3.77% of patent filing during this period.
Sichuan Sheng, China
Patent: 29
Shandong Sheng, China
Patent: 25
Guangdong Sheng, China
Patent: 24
Hunan Sheng, China
Patent: 23
Shaanxi Sheng, China
Patent: 22
Beijing Shi, China
Patent: 18
Tianjin Shi, China
Patent: 17
Hubei Sheng, China
Patent: 15
Zhejiang Sheng, China
Patent: 15
Shaanxi Sheng, China
Patent: 15
With the analysis among related 2,069 patents in last 5 years, we discover 315 new entrants. Zhejiang Huatie Emergency Equipment Science & Tech Co., Ltd., Railway Construction Research Institute of China Academy of Railway Sciences Group Co., Ltd., China Academy of Railway Sciences Group Co. Ltd. are the most active new entrants in this area.
Zhejiang Sheng, China
Patent: 12
Beijing Shi, China
Patent: 12
Beijing Shi, China
Patent: 10
Xuzhou Zhirun Mining Equipment Science & Technology Co Ltd
Jiangsu Sheng, China
Patent: 10
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Patent: 9
Chongqing Shi, China
Patent: 9
Hunan Sheng, China
Patent: 8
Hamburg, Germany
Patent: 8
Beijing Shi, China
Patent: 7
With the analysis among 887 patents, we discovered top 149 universities and scientific research institutions by total patent application. Shandong University of Science & Technology, Southwest Jiaotong University, Chang'an University are dominant in this area. They take 14.99% of the total patent filing.
Shandong Sheng, China
Patent: 61
Sichuan Sheng, China
Patent: 40
Shaanxi Sheng, China
Patent: 32
Hunan Sheng, China
Patent: 31
Anhui Sheng, China
Patent: 24
Shandong Sheng, China
Patent: 22
Jiangsu Sheng, China
Patent: 21
China University of Mining & Technology (Beijing)
Beijing Shi, China
Patent: 17
Henan Sheng, China
Patent: 15
Shanghai Shi, China
Patent: 14