With the analysis among 765 patents, we discovered top 477 key players by total patent application. Altivera LLC, China Railway Siyuan Survey & Design Group Co., Ltd., Svenska Kullagerfabriken AB are dominant in this area. They take 5.10% of the total patent filing.
China Railway Siyuan Survey & Design Group Co., Ltd.
Hubei Sheng, China
Patent: 14
Svenska Kullagerfabriken AB
CITIC Heavy Industries Co., Ltd.
Henan Sheng, China
Patent: 6
Suzhou Speed Semiconductor Technology Co., Ltd.
Jiangsu Sheng, China
Patent: 6
China Railway Major Bridge Engineering Group Co., Ltd.
Hubei Sheng, China
Patent: 6
China Construction Underground Space Co., Ltd.
Sichuan Sheng, China
Patent: 6
Tianjin Development Zone Fulin Development Co., Ltd.
Tianjin Shi, China
Patent: 6
China Railway Construction Corp. Ltd.
Beijing Shi, China
Patent: 5
I.M.A. Industria Macchine Automatiche SpA
Emilia-Romagna, Italy
Patent: 5
With the analysis among 3 patents, we discovered top 2 start-ups by total patent application.
Prologium Technology Co. Ltd.
Taiwan Province, China
Patent: 2
Beijing I-Space Technology Co. Ltd.
Beijing Shi, China
Patent: 1
With the analysis among related 318 patents applied in the last 5 years. We discover 281 most active companies in this area. The fast-growing University of Shanghai for Science & Technology, China Railway Siyuan Survey & Design Group Co., Ltd., China Construction Underground Space Co., Ltd. take 6.92% of patent filing during this period.
University of Shanghai for Science & Technology
Shanghai Shi, China
Patent: 9
China Railway Siyuan Survey & Design Group Co., Ltd.
Hubei Sheng, China
Patent: 7
China Construction Underground Space Co., Ltd.
Sichuan Sheng, China
Patent: 6
Beijing University of Technology
Beijing Shi, China
Patent: 6
CITIC Heavy Industries Co., Ltd.
Henan Sheng, China
Patent: 6
Fujian Sheng, China
Patent: 5
Shenyang Jianzhu University
Liaoning Sheng, China
Patent: 3
China Aviation Industry Corporation Xi'an Aircraft Design Institute
undefined undefined
Patent: 3
Shanghai Construction No.2 (Group) Co., Ltd.
Shanghai Shi, China
Patent: 3
China Railway Jianzhu Group Co., Ltd.
Beijing Shi, China
Patent: 3
With the analysis among related 318 patents in last 5 years, we discover 235 new entrants. University of Shanghai for Science & Technology, China Construction Underground Space Co., Ltd., CITIC Heavy Industries Co., Ltd. are the most active new entrants in this area.
University of Shanghai for Science & Technology
Shanghai Shi, China
Patent: 9
China Construction Underground Space Co., Ltd.
Sichuan Sheng, China
Patent: 6
CITIC Heavy Industries Co., Ltd.
Henan Sheng, China
Patent: 6
Shenyang Jianzhu University
Liaoning Sheng, China
Patent: 3
Shanghai Construction No.2 (Group) Co., Ltd.
Shanghai Shi, China
Patent: 3
China Railway Jianzhu Group Co., Ltd.
Beijing Shi, China
Patent: 3
Shanghai Tunnel Engr & Rail Traffic Design & Research Inst
Shanghai Shi, China
Patent: 2
Ningbo Rail Transit Group Co., Ltd.
Zhejiang Sheng, China
Patent: 2
East China Jiaotong University
Jiangxi Sheng, China
Patent: 2
Shanghai Langlv Construction Technology Co. Ltd.
Shanghai Shi, China
Patent: 2
With the analysis among 246 patents, we discovered top 80 universities and scientific research institutions by total patent application. Southeast University, Zhejiang University, University of Shanghai for Science & Technology are dominant in this area. They take 12.60% of the total patent filing.
Jiangsu Sheng, China
Patent: 13
Zhejiang Sheng, China
Patent: 9
University of Shanghai for Science & Technology
Shanghai Shi, China
Patent: 9
Beijing University of Technology
Beijing Shi, China
Patent: 8
Fujian Sheng, China
Patent: 6
Shanghai Jiao Tong University
Shanghai Shi, China
Patent: 5
Shanghai Shi, China
Patent: 4
Hunan Sheng, China
Patent: 4
Southwest Jiaotong University
Sichuan Sheng, China
Patent: 4