Search results for “Rock tunnel” companies
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Key Players
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Innovation Intensity
With the analysis among 899 patents, we discovered top 441 key players by total patent application. China Railway Engineering Equipment Group Co., Ltd., China Railway Tunnel Bureau Group Co., Ltd., China Railway Construction Heavy Industry Corp. Ltd. are dominant in this area. They take 14.68% of the total patent filing.
Henan Sheng, China
Patent: 72
Guangdong Sheng, China
Patent: 33
Hunan Sheng, China
Patent: 27
Shanxi Sheng, China
Patent: 24
Shanxi Sheng, China
Patent: 18
Tianjin Shi, China
Patent: 17
Shaanxi Sheng, China
Patent: 15
Zhejiang Sheng, China
Patent: 15
Shaanxi Sheng, China
Patent: 14
Shaanxi Sheng, China
Patent: 13
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 824 patents applied in the last 5 years. We discover 395 most active companies in this area. The fast-growing China Railway Engineering Equipment Group Co., Ltd., Southwest Jiaotong University, Chang'an University take 12.50% of patent filing during this period.
Henan Sheng, China
Patent: 50
Sichuan Sheng, China
Patent: 32
Shaanxi Sheng, China
Patent: 21
Beijing Shi, China
Patent: 21
Guangdong Sheng, China
Patent: 19
Tianjin Shi, China
Patent: 17
Shanxi Sheng, China
Patent: 16
Hunan Sheng, China
Patent: 15
Hunan Sheng, China
Patent: 15
Liaoning Sheng, China
Patent: 14
New Entrants
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Innovation in recent 5 years
With the analysis among related 824 patents in last 5 years, we discover 304 new entrants. China Railway 18th Bureau Group Co., Ltd., China Railway Jianzhu Group Co., Ltd., Sichuan Traffic Survey and Design Research Institute Co., Ltd. are the most active new entrants in this area.
Tianjin Shi, China
Patent: 17
Beijing Shi, China
Patent: 9
Sichuan Sheng, China
Patent: 9
Hubei Sheng, China
Patent: 9
Hubei Sheng, China
Patent: 8
Jiangsu Sheng, China
Patent: 7
Tianjin Shi, China
Patent: 7
Jiangxi Sheng, China
Patent: 6
Beijing Shi, China
Patent: 6
Zhejiang Sheng, China
Patent: 6
Research Institutions
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Innovation Intensity
With the analysis among 477 patents, we discovered top 78 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 18.03% of the total patent filing.
Sichuan Sheng, China
Patent: 35
Shaanxi Sheng, China
Patent: 25
Beijing Shi, China
Patent: 23
Jiangsu Sheng, China
Patent: 21
China University of Mining & Technology (Beijing)
Beijing Shi, China
Patent: 18
Hunan Sheng, China
Patent: 17
Shandong Sheng, China
Patent: 15
Hebei Sheng, China
Patent: 15
Shandong Sheng, China
Patent: 12
Liaoning Sheng, China
Patent: 11
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