With the analysis among 797 patents, we discovered top 486 key players by total patent application. Hitachi Ltd., NEC Corp., JEOL Ltd. are dominant in this area. They take 6.65% of the total patent filing.
Tokyo-to, Japan
Patent: 24
Tokyo-to, Japan
Patent: 15
Tokyo-to, Japan
Patent: 14
Michigan, United States
Patent: 10
China Railway Design Group Co., Ltd.
Tianjin Shi, China
Patent: 9
Mitsubishi Electric Corp.
Shanghai Shi, China
Patent: 8
Hitachi High-Tech America, Inc.
Illinois, United States
Patent: 7
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With the analysis among related 212 patents applied in the last 5 years. We discover 175 most active companies in this area. The fast-growing Xi'an University of Architecture & Technology, Takenaka Corp., China Construction First Building (Group) Corp. Ltd. take 8.49% of patent filing during this period.
Xi'an University of Architecture & Technology
Shaanxi Sheng, China
Patent: 7
Shanghai Shi, China
Patent: 6
China Construction First Building (Group) Corp. Ltd.
Beijing Shi, China
Patent: 5
Shanghai Construction Materials Engineering Co., Ltd.
Shanghai Shi, China
Patent: 4
Beijing Shi, China
Patent: 4
China Railway 11th Bureau Group Corp., Ltd.
Hubei Sheng, China
Patent: 3
Guangxi Road & Bridge Engineering Corp.
Guangxi Zhuangzu Zizhiqu, China
Patent: 3
Worthington Armstrong Venture
Pennsylvania, United States
Patent: 3
China Railway Fourth Group Second Engineering Co., Ltd.
Jiangsu Sheng, China
Patent: 2
With the analysis among related 212 patents in last 5 years, we discover 163 new entrants. Xi'an University of Architecture & Technology, China Construction First Building (Group) Corp. Ltd., Shanghai Construction Materials Engineering Co., Ltd. are the most active new entrants in this area.
Xi'an University of Architecture & Technology
Shaanxi Sheng, China
Patent: 7
China Construction First Building (Group) Corp. Ltd.
Beijing Shi, China
Patent: 5
Shanghai Construction Materials Engineering Co., Ltd.
Shanghai Shi, China
Patent: 4
Beijing Shi, China
Patent: 4
China Railway 11th Bureau Group Corp., Ltd.
Hubei Sheng, China
Patent: 3
Guangxi Road & Bridge Engineering Corp.
Guangxi Zhuangzu Zizhiqu, China
Patent: 3
Worthington Armstrong Venture
Pennsylvania, United States
Patent: 3
China Railway Fourth Group Second Engineering Co., Ltd.
Jiangsu Sheng, China
Patent: 2
Sichuan Hongxing Construction Engineering Co., Ltd.
Sichuan Sheng, China
Patent: 2
Dow Global Technologies LLC
Michigan, United States
Patent: 2
With the analysis among 118 patents, we discovered top 47 universities and scientific research institutions by total patent application. Xi'an University of Architecture & Technology, Shandong Jianzhu University, Tsinghua University are dominant in this area. They take 14.41% of the total patent filing.
Xi'an University of Architecture & Technology
Shaanxi Sheng, China
Patent: 7
Shandong Jianzhu University
Shandong Sheng, China
Patent: 6
Beijing Shi, China
Patent: 4
Chongqing Shi, China
Patent: 4
Jilin Sheng, China
Patent: 3
Jiangxi Sheng, China
Patent: 3
Zhejiang University of Technology
Zhejiang Sheng, China
Patent: 3
Shanghai Institute of Microsystem & Information Technology
Shanghai Shi, China
Patent: 3
Shanghai Jiao Tong University
Shanghai Shi, China
Patent: 2
Technische Universität Wien