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.
China Railway Eryuan Engineering Group Co., Ltd.
Sichuan Sheng, China
Patent: 12
Research Institute of Highway Ministry of Transport
China
Patent: 7
CCCC First Highway Xiamen Engineering Co., Ltd.
Fujian Sheng, China
Patent: 7
Powerchina Chengdu Engineering Corp. Ltd.
Sichuan Sheng, China
Patent: 6
China Railway 16th Bureau Group Co., Ltd.
Beijing Shi, China
Patent: 4
China Railway 12th Bureau Group Co., Ltd.
Shanxi Sheng, China
Patent: 4
China Railway Twenty Bureau Group Third Engineering Co. Ltd.
Chongqing Shi, China
Patent: 4
China Railway Erju 2nd Engeneering Co., Ltd.
Sichuan Sheng, China
Patent: 4
Chongqing Construction Engineering Group Co., Ltd.
Chongqing Shi, China
Patent: 3
China Railway 20th Bureau Group Co., Ltd.
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.
China Railway Eryuan Engineering Group Co., Ltd.
Sichuan Sheng, China
Patent: 12
CCCC First Highway Xiamen Engineering Co., Ltd.
Fujian Sheng, China
Patent: 7
Research Institute of Highway Ministry of Transport
China
Patent: 7
Shijiazhuang Tiedao University
Hebei Sheng, China
Patent: 6
Powerchina Chengdu Engineering Corp. Ltd.
Sichuan Sheng, China
Patent: 6
Southwest Jiaotong University
Sichuan Sheng, China
Patent: 5
Chang'an University
Shaanxi Sheng, China
Patent: 5
Chongqing Jiaotong University
Chongqing Shi, China
Patent: 4
China Railway 16th Bureau Group Co., Ltd.
Beijing Shi, China
Patent: 4
China Railway Erju 2nd Engeneering Co., Ltd.
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.
China Railway Eryuan Engineering Group Co., Ltd.
Sichuan Sheng, China
Patent: 12
CCCC First Highway Xiamen Engineering Co., Ltd.
Fujian Sheng, China
Patent: 7
Research Institute of Highway Ministry of Transport
China
Patent: 7
Shijiazhuang Tiedao University
Hebei Sheng, China
Patent: 6
Powerchina Chengdu Engineering Corp. Ltd.
Sichuan Sheng, China
Patent: 6
Southwest Jiaotong University
Sichuan Sheng, China
Patent: 5
Chongqing Jiaotong University
Chongqing Shi, China
Patent: 4
China Railway 16th Bureau Group Co., Ltd.
Beijing Shi, China
Patent: 4
China Railway Erju 2nd Engeneering Co., Ltd.
Sichuan Sheng, China
Patent: 4
Chongqing Communications Construction Group Co. Ltd.
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.
Chang'an University
Shaanxi Sheng, China
Patent: 6
Shijiazhuang Tiedao University
Hebei Sheng, China
Patent: 6
Shandong University
Shandong Sheng, China
Patent: 5
Southwest Jiaotong University
Sichuan Sheng, China
Patent: 5
Chongqing Jiaotong University
Chongqing Shi, China
Patent: 4
Guangxi University
Guangxi Zhuangzu Zizhiqu, China
Patent: 3
Chongqing University
Chongqing Shi, China
Patent: 3
Shandong University of Science & Technology
Shandong Sheng, China
Patent: 3
Henan Polytechnic University
Henan Sheng, China
Patent: 3
Central South University
Hunan Sheng, China
Patent: 2
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