Search results for “Tunnel construction” companies
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Key Players
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Innovation Intensity
With the analysis among 13,044 patents, we discovered top 470 key players by total patent application. China Railway 12th Bureau Group Co., Ltd., China Railway 12th Bureau Group 2nd Engineering Co., Ltd., China Railway Engineering Equipment Group Co., Ltd. are dominant in this area. They take 5.35% of the total patent filing.
Shanxi Sheng, China
Patent: 281
Shanxi Sheng, China
Patent: 216
Henan Sheng, China
Patent: 201
Beijing Shi, China
Patent: 188
Guangdong Sheng, China
Patent: 156
Sichuan Sheng, China
Patent: 151
Tokyo-to, Japan
Patent: 146
Hubei Sheng, China
Patent: 122
Tianjin Shi, China
Patent: 121
Shanxi Sheng, China
Patent: 120
Startups & Unicorns
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Innovation Intensity
With the analysis among 3 patents, we discovered top 3 start-ups by total patent application.
Fast-Growing
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Innovation in recent 5 years
With the analysis among related 10,517 patents applied in the last 5 years. We discover 500 most active companies in this area. The fast-growing China Railway 12th Bureau Group Co., Ltd., China Communications First Public Bureau Group Co., Ltd., China Railway 12th Bureau Group 2nd Engineering Co., Ltd. take 5.05% of patent filing during this period.
Shanxi Sheng, China
Patent: 200
Beijing Shi, China
Patent: 184
Shanxi Sheng, China
Patent: 147
Henan Sheng, China
Patent: 144
Sichuan Sheng, China
Patent: 141
Shanxi Sheng, China
Patent: 102
Guangdong Sheng, China
Patent: 98
Beijing Shi, China
Patent: 96
Beijing Shi, China
Patent: 95
Tianjin Shi, China
Patent: 93
New Entrants
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Innovation in recent 5 years
With the analysis among related 10,517 patents in last 5 years, we discover 187 new entrants. Sichuan Blue Ocean Intelligent Equipment Manufacturing Co., Ltd., No 5 Engineering Corp. of China Railway 19 Bureau Group, Sichuan Traffic Survey and Design Research Institute Co., Ltd. are the most active new entrants in this area.
Sichuan Sheng, China
Patent: 69
Jiangsu Sheng, China
Patent: 34
Sichuan Sheng, China
Patent: 30
Guangdong Sheng, China
Patent: 29
Sichuan Sheng, China
Patent: 28
Sichuan Sheng, China
Patent: 25
Jiangsu Sheng, China
Patent: 25
Zhejiang Sheng, China
Patent: 23
Zhejiang Sheng, China
Patent: 23
Beijing Shi, China
Patent: 21
Research Institutions
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Innovation Intensity
With the analysis among 2,327 patents, we discovered top 149 universities and scientific research institutions by total patent application. Southwest Jiaotong University, Shandong University, Central South University are dominant in this area. They take 17.15% of the total patent filing.
Sichuan Sheng, China
Patent: 190
Shandong Sheng, China
Patent: 107
Hunan Sheng, China
Patent: 102
Shaanxi Sheng, China
Patent: 80
Beijing Shi, China
Patent: 69
Hebei Sheng, China
Patent: 61
Chongqing Shi, China
Patent: 49
Chongqing Shi, China
Patent: 39
Shandong Sheng, China
Patent: 39
Shaanxi Sheng, China
Patent: 37
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