Search results for “Railway tunnel” companies
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Key Players
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Innovation Intensity
With the analysis among 1,607 patents, we discovered top 475 key players by total patent application. China Railway Eryuan Engineering Group Co., Ltd., China Railway Siyuan Survey & Design Group Co., Ltd., China Academy of Railway Sciences Group Co. Ltd. are dominant in this area. They take 15.81% of the total patent filing.
Sichuan Sheng, China
Patent: 109
Hubei Sheng, China
Patent: 75
Beijing Shi, China
Patent: 70
Beijing Shi, China
Patent: 54
Beijing Shi, China
Patent: 52
Yunnan Sheng, China
Patent: 40
Tianjin Shi, China
Patent: 35
Shaanxi Sheng, China
Patent: 31
Shanxi Sheng, China
Patent: 30
Guangdong Sheng, China
Patent: 28
Startups & Unicorns
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Innovation Intensity
With the analysis among 4 patents, we discovered top 1 start-ups by total patent application.
STARTUP
Beijing Shi, China
Patent: 4
Fast-Growing
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Innovation in recent 5 years
With the analysis among related 1,145 patents applied in the last 5 years. We discover 500 most active companies in this area. The fast-growing China Academy of Railway Sciences Group Co. Ltd., China Railway Eryuan Engineering Group Co., Ltd., Railway Construction Research Institute of China Academy of Railway Sciences Group Co., Ltd. take 14.67% of patent filing during this period.
Beijing Shi, China
Patent: 63
Sichuan Sheng, China
Patent: 57
Beijing Shi, China
Patent: 48
Sichuan Sheng, China
Patent: 35
Beijing Shi, China
Patent: 33
Hubei Sheng, China
Patent: 29
Tianjin Shi, China
Patent: 24
Yunnan Sheng, China
Patent: 23
Hunan Sheng, China
Patent: 23
Guangdong Sheng, China
Patent: 21
New Entrants
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Innovation in recent 5 years
With the analysis among related 1,145 patents in last 5 years, we discover 394 new entrants. Jingjia Lianchuang (Hubei) New Material Technology Co., Ltd., CCCC Second Public Bureau Fourth Engineering Co., Ltd., Beijing Tieke Special Engineering Technology Co., Ltd. are the most active new entrants in this area.
Hubei Sheng, China
Patent: 9
Henan Sheng, China
Patent: 8
Beijing Shi, China
Patent: 8
Hebei Construction & Investment Communication Inv. Co. Ltd.
Hebei Sheng, China
Patent: 8
Beijing Shi, China
Patent: 7
Guangdong Sheng, China
Patent: 7
Jiangsu Sheng, China
Patent: 6
Beijing Shi, China
Patent: 6
Shanghai Shi, China
Patent: 6
Anhui Sheng, China
Patent: 6
Research Institutions
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Innovation Intensity
With the analysis among 453 patents, we discovered top 63 universities and scientific research institutions by total patent application. Southwest Jiaotong University, Central South University, Tianjin University are dominant in this area. They take 40.18% of the total patent filing.
Sichuan Sheng, China
Patent: 64
Hunan Sheng, China
Patent: 31
Tianjin Shi, China
Patent: 16
Hebei Sheng, China
Patent: 10
Shandong Sheng, China
Patent: 9
Beijing Shi, China
Patent: 9
Gansu Sheng, China
Patent: 8
Shaanxi Sheng, China
Patent: 7
Shanghai Shi, China
Patent: 6
Jiangsu Sheng, China
Patent: 6
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