Search results for “Tunnel safety” companies
Free sign up to view the full data
Key Players
Order by:
Innovation Intensity
With the analysis among 653 patents, we discovered top 463 key players by total patent application. China Merchants Chongqing Communications Research & Design, China Communications First Public Bureau Group Co., Ltd., China Railway Siyuan Survey & Design Group Co., Ltd. are dominant in this area. They take 5.67% of the total patent filing.
Chongqing Shi, China
Patent: 14
Beijing Shi, China
Patent: 12
Hubei Sheng, China
Patent: 11
Shanxi Sheng, China
Patent: 9
Beijing Shi, China
Patent: 8
Henan Sheng, China
Patent: 7
Shaanxi Sheng, China
Patent: 7
Anhui Sheng, China
Patent: 7
Anhui Sheng, China
Patent: 7
Tianjin Shi, China
Patent: 6
Startups & Unicorns
Order by:
Innovation Intensity
No data, please try another search term
Fast-Growing
Order by:
Innovation in recent 5 years
With the analysis among related 587 patents applied in the last 5 years. We discover 442 most active companies in this area. The fast-growing China Communications First Public Bureau Group Co., Ltd., China Railway 16th Bureau Group Co., Ltd., China Railway Siyuan Survey & Design Group Co., Ltd. take 4.60% of patent filing during this period.
Beijing Shi, China
Patent: 12
Beijing Shi, China
Patent: 8
Hubei Sheng, China
Patent: 7
Sichuan Sheng, China
Patent: 7
Guangdong Sheng, China
Patent: 6
Shandong Sheng, China
Patent: 6
Chongqing Shi, China
Patent: 6
Beijing Shi, China
Patent: 6
Henan Sheng, China
Patent: 6
Chongqing Shi, China
Patent: 6
New Entrants
Order by:
Innovation in recent 5 years
With the analysis among related 587 patents in last 5 years, we discover 399 new entrants. China Communications First Public Bureau Group Co., Ltd., China Railway 16th Bureau Group Co., Ltd., China Railway Tunnel Bureau Group Co., Ltd. are the most active new entrants in this area.
Beijing Shi, China
Patent: 12
Beijing Shi, China
Patent: 8
Guangdong Sheng, China
Patent: 6
Beijing Shi, China
Patent: 6
Tianjin Shi, China
Patent: 6
Shandong Sheng, China
Patent: 5
China University of Mining & Technology (Beijing)
Beijing Shi, China
Patent: 5
Shaanxi Sheng, China
Patent: 5
Shaanxi Sheng, China
Patent: 5
Beijing Shi, China
Patent: 4
Research Institutions
Order by:
Innovation Intensity
With the analysis among 221 patents, we discovered top 67 universities and scientific research institutions by total patent application. Southwest Jiaotong University, China University of Mining & Technology, Shandong University are dominant in this area. They take 13.57% of the total patent filing.
Sichuan Sheng, China
Patent: 13
Jiangsu Sheng, China
Patent: 9
Shandong Sheng, China
Patent: 8
Shanghai Shi, China
Patent: 7
Hunan Sheng, China
Patent: 7
Chongqing Shi, China
Patent: 7
Shandong Sheng, China
Patent: 6
Shaanxi Sheng, China
Patent: 5
Shandong Sheng, China
Patent: 5
China University of Mining & Technology (Beijing)
Beijing Shi, China
Patent: 5
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: