Search results for “Railway tunnel” companies
Free sign up to view the full data
Key Players
Order by:
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.
China Railway Eryuan Engineering Group Co., Ltd.
Sichuan Sheng, China
Patent: 109
China Railway Siyuan Survey & Design Group Co., Ltd.
Hubei Sheng, China
Patent: 75
China Academy of Railway Sciences Group Co. Ltd.
Beijing Shi, China
Patent: 70
China Railway Jianzhu Group Co., Ltd.
Beijing Shi, China
Patent: 54
Railway Construction Research Institute of China Academy of Railway Sciences Group Co., Ltd.
Beijing Shi, China
Patent: 52
CRCC High-Tech Equipment Corp. Ltd.
Yunnan Sheng, China
Patent: 40
China Railway Design Group Co., Ltd.
Tianjin Shi, China
Patent: 35
China Railway First Survey & Design Institute Group Co., Ltd.
Shaanxi Sheng, China
Patent: 31
China Railway 12th Bureau Group Co., Ltd.
Shanxi Sheng, China
Patent: 30
China Railway Tunnel Bureau Group Co., Ltd.
Guangdong Sheng, China
Patent: 28
Startups & Unicorns
Order by:
Innovation Intensity
With the analysis among 4 patents, we discovered top 1 start-ups by total patent application.
STARTUP
Beijing Century Orient Wisdom Technology Co Ltd.
Beijing Shi, China
Patent: 4
Fast-Growing
Order by:
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.
China Academy of Railway Sciences Group Co. Ltd.
Beijing Shi, China
Patent: 63
China Railway Eryuan Engineering Group Co., Ltd.
Sichuan Sheng, China
Patent: 57
Railway Construction Research Institute of China Academy of Railway Sciences Group Co., Ltd.
Beijing Shi, China
Patent: 48
Southwest Jiaotong University
Sichuan Sheng, China
Patent: 35
China Railway Jianzhu Group Co., Ltd.
Beijing Shi, China
Patent: 33
China Railway Siyuan Survey & Design Group Co., Ltd.
Hubei Sheng, China
Patent: 29
China Railway Design Group Co., Ltd.
Tianjin Shi, China
Patent: 24
CRCC High-Tech Equipment Corp. Ltd.
Yunnan Sheng, China
Patent: 23
Central South University
Hunan Sheng, China
Patent: 23
China Railway Tunnel Bureau Group Co., Ltd.
Guangdong Sheng, China
Patent: 21
New Entrants
Order by:
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.
Jingjia Lianchuang (Hubei) New Material Technology Co., Ltd.
Hubei Sheng, China
Patent: 9
CCCC Second Public Bureau Fourth Engineering Co., Ltd.
Henan Sheng, China
Patent: 8
Beijing Tieke Special Engineering Technology Co., Ltd.
Beijing Shi, China
Patent: 8
Hebei Construction & Investment Communication Inv. Co. Ltd.
Hebei Sheng, China
Patent: 8
China Railway Scientific Technology Development Ltd.
Beijing Shi, China
Patent: 7
Guangzhou Metro Design & Research Institute Co., Ltd.
Guangdong Sheng, China
Patent: 7
CCCC Second Engineering Co., Ltd.
Jiangsu Sheng, China
Patent: 6
China Railway Electrification Bureau (Group) Co., Ltd.
Beijing Shi, China
Patent: 6
Tongji University
Shanghai Shi, China
Patent: 6
Anhui Guoju Construction Machinery Technology Co., Ltd.
Anhui Sheng, China
Patent: 6
Research Institutions
Order by:
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.
Southwest Jiaotong University
Sichuan Sheng, China
Patent: 64
Central South University
Hunan Sheng, China
Patent: 31
Tianjin University
Tianjin Shi, China
Patent: 16
Shijiazhuang Tiedao University
Hebei Sheng, China
Patent: 10
Shandong University
Shandong Sheng, China
Patent: 9
Beijing Jiaotong University
Beijing Shi, China
Patent: 9
Lanzhou Jiaotong University
Gansu Sheng, China
Patent: 8
Chang'an University
Shaanxi Sheng, China
Patent: 7
Tongji University
Shanghai Shi, China
Patent: 6
China University of Mining & Technology
Jiangsu Sheng, China
Patent: 6
Keywords Quick Entry
Popular
Physics
Chemistry
Engineering
Materials science
Computer science
Biology
Medicine
MetalElectrodeVoltageSemiconductorPolymerElectricityCoatingFiberDisplay deviceRaw materialElectric motorUltimate tensile strengthNozzleCarbonBuilding constructionAlkylService lifeElectronOxideOxygenSolventControl unitFlangeControl systemDrugLight sourcePistonDiseaseElectric powerHigh pressure
View more
Page generation time: