With the analysis among 273 patents, we discovered top 159 key players by total patent application. Takenaka Corp., Shimizu Corp., NIPPON STEEL CORP. are dominant in this area. They take 10.26% of the total patent filing.
Shanghai Shi, China
Patent: 11
Tokyo-to, Japan
Patent: 10
Fudo Construction Co. Ltd.
Chiba-ken, Japan
Patent: 5
Penta-Ocean Construction Co., Ltd.
Yamanashi-ken, Japan
Patent: 5
Nittoc Construction Co., Ltd.
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With the analysis among related 52 patents applied in the last 5 years. We discover 43 most active companies in this area. The fast-growing Ocean University of China, Tiangong University, CCCC Third Harbor Engineering Co., Ltd. take 13.46% of patent filing during this period.
Ocean University of China
Shandong Sheng, China
Patent: 3
Tianjin Shi, China
Patent: 2
CCCC Third Harbor Engineering Co., Ltd.
Shanghai Shi, China
Patent: 2
Guizhou Sheng, China
Patent: 2
Anhui Transportation Holding Group Co., Ltd.
Anhui Sheng, China
Patent: 2
The Sixth Engineering (Xiamen) Co., Ltd. of CCCC Third Aviation Bureau
Fujian Sheng, China
Patent: 2
Shenzhen Road and Bridge Construction Group Co., Ltd.
Guangdong Sheng, China
Patent: 2
Sekisui Chemical Co., Ltd.
China Communications First Public Bureau Group Co., Ltd.
Beijing Shi, China
Patent: 1
Schlumberger Technologies, Inc.
New Jersey, United States
Patent: 1
With the analysis among related 52 patents in last 5 years, we discover 39 new entrants. Ocean University of China, Tiangong University, Guizhou Minzu University are the most active new entrants in this area.
Ocean University of China
Shandong Sheng, China
Patent: 3
Tianjin Shi, China
Patent: 2
Guizhou Sheng, China
Patent: 2
Anhui Transportation Holding Group Co., Ltd.
Anhui Sheng, China
Patent: 2
Shenzhen Road and Bridge Construction Group Co., Ltd.
Guangdong Sheng, China
Patent: 2
Sekisui Chemical Co., Ltd.
China Communications First Public Bureau Group Co., Ltd.
Beijing Shi, China
Patent: 1
Schlumberger Technologies, Inc.
New Jersey, United States
Patent: 1
Nanjing Yangzi Petrochemical Design & Engineering Co., Ltd.
Jiangsu Sheng, China
Patent: 1
Sichuan Shuangjian Road and Bridge Machinery Co., Ltd.
Sichuan Sheng, China
Patent: 1
With the analysis among 66 patents, we discovered top 29 universities and scientific research institutions by total patent application. Railway Technical Research Institute, Beijing Jiaotong University, Ocean University of China are dominant in this area. They take 21.21% of the total patent filing.
Railway Technical Research Institute
Beijing Jiaotong University
Beijing Shi, China
Patent: 4
Ocean University of China
Shandong Sheng, China
Patent: 3
Zhejiang Sheng, China
Patent: 2
Tianjin Shi, China
Patent: 2
Shanghai Institute of Microsystem & Information Technology
Shanghai Shi, China
Patent: 2
Guizhou Sheng, China
Patent: 2
Tianjin Shi, China
Patent: 2
Hunan Sheng, China
Patent: 1
Beijing University of Technology
Beijing Shi, China
Patent: 1