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.
Hubei Sheng, China
Patent: 92
Shanxi Sheng, China
Patent: 75
Sichuan Sheng, China
Patent: 58
Shanxi Sheng, China
Patent: 52
Beijing Shi, China
Patent: 32
Shanxi Sheng, China
Patent: 28
Guangdong Sheng, China
Patent: 26
Zhejiang Sheng, China
Patent: 25
Chongqing Shi, China
Patent: 22
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.
Hubei Sheng, China
Patent: 76
Shanxi Sheng, China
Patent: 64
Sichuan Sheng, China
Patent: 61
Sichuan Sheng, China
Patent: 51
Shanxi Sheng, China
Patent: 45
Hebei Sheng, China
Patent: 27
Beijing Shi, China
Patent: 27
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Patent: 26
Chongqing Shi, China
Patent: 25
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.
Shaanxi Sheng, China
Patent: 17
Guangdong Sheng, China
Patent: 16
Hubei Sheng, China
Patent: 15
Beijing Shi, China
Patent: 14
Shaanxi Sheng, China
Patent: 12
Guizhou Sheng, China
Patent: 12
Beijing Shi, China
Patent: 11
Sichuan Sheng, China
Patent: 11
Sichuan Sheng, China
Patent: 10
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.
Sichuan Sheng, China
Patent: 78
Shaanxi Sheng, China
Patent: 54
Beijing Shi, China
Patent: 33
Shandong Sheng, China
Patent: 29
Hebei Sheng, China
Patent: 28
Shanghai Shi, China
Patent: 27
Chongqing Shi, China
Patent: 27
Sichuan Sheng, China
Patent: 23
Beijing Shi, China
Patent: 22
Shandong Sheng, China
Patent: 21
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