Search results for “Tunnel engineering” companies
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Key Players
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Innovation Intensity
With the analysis among 2,249 patents, we discovered top 450 key players by total patent application. China Railway Siyuan Survey & Design Group Co., Ltd., China Railway 12th Bureau Group Co., Ltd., China Railway Eryuan Engineering Group Co., Ltd. are dominant in this area. They take 10.00% of the total patent filing.
China Railway Siyuan Survey & Design Group Co., Ltd.
Hubei Sheng, China
Patent: 92
China Railway 12th Bureau Group Co., Ltd.
Shanxi Sheng, China
Patent: 75
China Railway Eryuan Engineering Group Co., Ltd.
Sichuan Sheng, China
Patent: 58
China Railway 12th Bureau Group 2nd Engineering Co., Ltd.
Shanxi Sheng, China
Patent: 52
Beijing Municipal Construction Group Co., Ltd.
Beijing Shi, China
Patent: 32
China Railway No. 3 Engineering Group Co., Ltd.
Shanxi Sheng, China
Patent: 28
China Railway Tunnel Bureau Group Co., Ltd.
Guangdong Sheng, China
Patent: 26
Powerchina Huadong Engineering Corp. Ltd.
Zhejiang Sheng, China
Patent: 25
China Merchants Chongqing Communications Research & Design
Chongqing Shi, China
Patent: 22
China Railway First Survey & Design Institute Group Co., Ltd.
Shaanxi Sheng, China
Patent: 22
Startups & Unicorns
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Innovation Intensity
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Fast-Growing
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Innovation in recent 5 years
With the analysis among related 2,408 patents applied in the last 5 years. We discover 500 most active companies in this area. The fast-growing China Railway Siyuan Survey & Design Group Co., Ltd., China Railway 12th Bureau Group Co., Ltd., Southwest Jiaotong University take 8.35% of patent filing during this period.
China Railway Siyuan Survey & Design Group Co., Ltd.
Hubei Sheng, China
Patent: 76
China Railway 12th Bureau Group Co., Ltd.
Shanxi Sheng, China
Patent: 64
Southwest Jiaotong University
Sichuan Sheng, China
Patent: 61
China Railway Eryuan Engineering Group Co., Ltd.
Sichuan Sheng, China
Patent: 51
China Railway 12th Bureau Group 2nd Engineering Co., Ltd.
Shanxi Sheng, China
Patent: 45
Shijiazhuang Tiedao University
Hebei Sheng, China
Patent: 27
Beijing Municipal Construction Group Co., Ltd.
Beijing Shi, China
Patent: 27
Wuhan Institute of Geotechnical Mechanics, Chinese Academy of Sciences
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Patent: 26
Chongqing Jiaotong University
Chongqing Shi, China
Patent: 25
China Railway No. 3 Engineering Group Co., Ltd.
Shanxi Sheng, China
Patent: 22
New Entrants
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Innovation in recent 5 years
With the analysis among related 2,408 patents in last 5 years, we discover 380 new entrants. CCCC Second Highway Engineering Co., Ltd., Shenzhen Comprehensive Transportation and Municipal Engineering Design and Research Institute Co., Ltd., ChangJiang Survey, Planning, Design and Research Co., Ltd are the most active new entrants in this area.
CCCC Second Highway Engineering Co., Ltd.
Shaanxi Sheng, China
Patent: 17
Shenzhen Comprehensive Transportation and Municipal Engineering Design and Research Institute Co., Ltd.
Guangdong Sheng, China
Patent: 16
ChangJiang Survey, Planning, Design and Research Co., Ltd
Hubei Sheng, China
Patent: 15
China Railway 19th Bureau Group Co., Ltd.
Beijing Shi, China
Patent: 14
China Railway 20th Bureau Group Co., Ltd.
Shaanxi Sheng, China
Patent: 12
Zhong Tie Er Ju Di Yi Gong Cheng You Xian Gong Si
Guizhou Sheng, China
Patent: 12
Powerchina Road Bridge Group Co., Ltd.
Beijing Shi, China
Patent: 11
China Railway Engineering Services Co., Ltd.
Sichuan Sheng, China
Patent: 11
Sichuan Traffic Survey and Design Research Institute Co., Ltd.
Sichuan Sheng, China
Patent: 10
China Railway Seventeenth Bureau Group Third Engineering Co., Ltd.
Hebei Sheng, China
Patent: 10
Research Institutions
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Innovation Intensity
With the analysis among 919 patents, we discovered top 130 universities and scientific research institutions by total patent application. Southwest Jiaotong University, Chang'an University, Beijing Jiaotong University are dominant in this area. They take 17.95% of the total patent filing.
Southwest Jiaotong University
Sichuan Sheng, China
Patent: 78
Chang'an University
Shaanxi Sheng, China
Patent: 54
Beijing Jiaotong University
Beijing Shi, China
Patent: 33
Shandong University
Shandong Sheng, China
Patent: 29
Shijiazhuang Tiedao University
Hebei Sheng, China
Patent: 28
Tongji University
Shanghai Shi, China
Patent: 27
Chongqing Jiaotong University
Chongqing Shi, China
Patent: 27
Southwest Petroleum University
Sichuan Sheng, China
Patent: 23
Beijing University of Technology
Beijing Shi, China
Patent: 22
Shandong University of Science & Technology
Shandong Sheng, China
Patent: 21
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