Search results for “Karst tunnel” companies
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Key Players
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Innovation Intensity
With the analysis among 137 patents, we discovered top 108 key players by total patent application. China Railway Eryuan Engineering Group Co., Ltd., Research Institute of Highway Ministry of Transport, CCCC First Highway Xiamen Engineering Co., Ltd. are dominant in this area. They take 18.98% of the total patent filing.
Sichuan Sheng, China
Patent: 12
China
Patent: 7
Fujian Sheng, China
Patent: 7
Sichuan Sheng, China
Patent: 6
Beijing Shi, China
Patent: 4
Shanxi Sheng, China
Patent: 4
Chongqing Shi, China
Patent: 4
Sichuan Sheng, China
Patent: 4
Chongqing Shi, China
Patent: 3
Shaanxi Sheng, China
Patent: 3
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 134 patents applied in the last 5 years. We discover 109 most active companies in this area. The fast-growing China Railway Eryuan Engineering Group Co., Ltd., CCCC First Highway Xiamen Engineering Co., Ltd., Research Institute of Highway Ministry of Transport take 19.40% of patent filing during this period.
Sichuan Sheng, China
Patent: 12
Fujian Sheng, China
Patent: 7
China
Patent: 7
Hebei Sheng, China
Patent: 6
Sichuan Sheng, China
Patent: 6
Sichuan Sheng, China
Patent: 5
Shaanxi Sheng, China
Patent: 5
Chongqing Shi, China
Patent: 4
Beijing Shi, China
Patent: 4
Sichuan Sheng, China
Patent: 4
New Entrants
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Innovation in recent 5 years
With the analysis among related 134 patents in last 5 years, we discover 97 new entrants. China Railway Eryuan Engineering Group Co., Ltd., CCCC First Highway Xiamen Engineering Co., Ltd., Research Institute of Highway Ministry of Transport are the most active new entrants in this area.
Sichuan Sheng, China
Patent: 12
Fujian Sheng, China
Patent: 7
China
Patent: 7
Hebei Sheng, China
Patent: 6
Sichuan Sheng, China
Patent: 6
Sichuan Sheng, China
Patent: 5
Chongqing Shi, China
Patent: 4
Beijing Shi, China
Patent: 4
Sichuan Sheng, China
Patent: 4
Chongqing Shi, China
Patent: 3
Research Institutions
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Innovation Intensity
With the analysis among 70 patents, we discovered top 25 universities and scientific research institutions by total patent application. Chang'an University, Shijiazhuang Tiedao University, Shandong University are dominant in this area. They take 28.57% of the total patent filing.
Shaanxi Sheng, China
Patent: 6
Hebei Sheng, China
Patent: 6
Shandong Sheng, China
Patent: 5
Sichuan Sheng, China
Patent: 5
Chongqing Shi, China
Patent: 4
Guangxi Zhuangzu Zizhiqu, China
Patent: 3
Chongqing Shi, China
Patent: 3
Shandong Sheng, China
Patent: 3
Henan Sheng, China
Patent: 3
Hunan Sheng, China
Patent: 2
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