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.
China Railway Engineering Equipment Group Co., Ltd.
Henan Sheng, China
Patent: 72
China Railway Tunnel Bureau Group Co., Ltd.
Guangdong Sheng, China
Patent: 33
China Railway Construction Heavy Industry Corp. Ltd.
Hunan Sheng, China
Patent: 27
China Railway 12th Bureau Group Co., Ltd.
Shanxi Sheng, China
Patent: 24
China Railway 12th Bureau Group 2nd Engineering Co., Ltd.
Shanxi Sheng, China
Patent: 18
China Railway 18th Bureau Group Co., Ltd.
Tianjin Shi, China
Patent: 17
China Railway 20th Bureau Group Co., Ltd.
Shaanxi Sheng, China
Patent: 15
Powerchina Huadong Engineering Corp. Ltd.
Zhejiang Sheng, China
Patent: 15
China Railway 20Th Bureau Group Second Engineering Co Ltd.
Shaanxi Sheng, China
Patent: 14
China Railway First Survey & Design Institute Group Co., Ltd.
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.
China Railway Engineering Equipment Group Co., Ltd.
Henan Sheng, China
Patent: 50
Southwest Jiaotong University
Sichuan Sheng, China
Patent: 32
Chang'an University
Shaanxi Sheng, China
Patent: 21
Beijing Jiaotong University
Beijing Shi, China
Patent: 21
China Railway Tunnel Bureau Group Co., Ltd.
Guangdong Sheng, China
Patent: 19
China Railway 18th Bureau Group Co., Ltd.
Tianjin Shi, China
Patent: 17
China Railway 12th Bureau Group Co., Ltd.
Shanxi Sheng, China
Patent: 16
China Railway Construction Heavy Industry Corp. Ltd.
Hunan Sheng, China
Patent: 15
Central South University
Hunan Sheng, China
Patent: 15
Dalian University of Technology
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.
China Railway 18th Bureau Group Co., Ltd.
Tianjin Shi, China
Patent: 17
China Railway Jianzhu Group Co., Ltd.
Beijing Shi, China
Patent: 9
Sichuan Traffic Survey and Design Research Institute Co., Ltd.
Sichuan Sheng, China
Patent: 9
China Railway Siyuan Survey & Design Group Co., Ltd.
Hubei Sheng, China
Patent: 9
CCCC Second Harbor Engineering Bureau Co. Ltd.
Hubei Sheng, China
Patent: 8
China Railway Fourth Group Second Engineering Co., Ltd.
Jiangsu Sheng, China
Patent: 7
China Railway Liuyuan Group Co., Ltd.
Tianjin Shi, China
Patent: 7
East China Jiaotong University
Jiangxi Sheng, China
Patent: 6
China Railway Engineering Consulting Group Co., Ltd.
Beijing Shi, China
Patent: 6
Quzhou Traffic Construction Group Co. Ltd.
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.
Southwest Jiaotong University
Sichuan Sheng, China
Patent: 35
Chang'an University
Shaanxi Sheng, China
Patent: 25
Beijing Jiaotong University
Beijing Shi, China
Patent: 23
China University of Mining & Technology
Jiangsu Sheng, China
Patent: 21
China University of Mining & Technology (Beijing)
Beijing Shi, China
Patent: 18
Central South University
Hunan Sheng, China
Patent: 17
Shandong University of Science & Technology
Shandong Sheng, China
Patent: 15
Shijiazhuang Tiedao University
Hebei Sheng, China
Patent: 15
Shandong University
Shandong Sheng, China
Patent: 12
North Eastern University
Liaoning Sheng, China
Patent: 11
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