With the analysis among 263 patents, we discovered top 117 key players by total patent application. CCCC First Highway Consultants Co., Ltd., China Railway Northwest Research Institute Co., Ltd., China Railway First Survey & Design Institute Group Co., Ltd. are dominant in this area. They take 24.71% of the total patent filing.
Shaanxi Sheng, China
Patent: 37
Gansu Sheng, China
Patent: 14
Shaanxi Sheng, China
Patent: 14
Beijing Shi, China
Patent: 8
Guizhou Sheng, China
Patent: 5
Liaoning Sheng, China
Patent: 5
Beijing Shi, China
Patent: 5
Qinghai Sheng, China
Patent: 4
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With the analysis among related 217 patents applied in the last 5 years. We discover 105 most active companies in this area. The fast-growing Northwest Institute of Ecological Environment and Resources, Chinese Academy of Sciences, Institute of Environment and Engineering in Cold and Arid Regions, Chinese Academy of Sciences, Lanzhou University of Technology take 22.12% of patent filing during this period.
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Patent: 22
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Patent: 15
Gansu Sheng, China
Patent: 11
Gansu Sheng, China
Patent: 11
Shaanxi Sheng, China
Patent: 11
Shaanxi Sheng, China
Patent: 8
Beijing Shi, China
Patent: 5
Hebei Sheng, China
Patent: 5
Shaanxi Sheng, China
Patent: 5
Guizhou Sheng, China
Patent: 5
With the analysis among related 217 patents in last 5 years, we discover 83 new entrants. Beijing Municipal Road & Bridge Corp. Ltd., Powerchina Guiyang Engineering Corp. Ltd., China Geological Survey Oil and Gas Resources Survey Center are the most active new entrants in this area.
Beijing Shi, China
Patent: 5
Guizhou Sheng, China
Patent: 5
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Patent: 4
Nei Mongol Zizhiqu, China
Patent: 4
Qinghai Sheng, China
Patent: 4
Guangdong Sheng, China
Patent: 4
Henan Sheng, China
Patent: 3
Beijing Shi, China
Patent: 2
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Patent: 2
Qinghai Sheng, China
Patent: 2
With the analysis among 251 patents, we discovered top 47 universities and scientific research institutions by total patent application. Lanzhou University of Technology, Lanzhou Jiaotong University, Southeast University are dominant in this area. They take 34.26% of the total patent filing.
Gansu Sheng, China
Patent: 12
Gansu Sheng, China
Patent: 12
Jiangsu Sheng, China
Patent: 7
Shaanxi Sheng, China
Patent: 6
Shaanxi Sheng, China
Patent: 6
Hebei Sheng, China
Patent: 6
Heilongjiang Sheng, China
Patent: 6
Guangdong Sheng, China
Patent: 4
Qinghai Sheng, China
Patent: 4
Nei Mongol Zizhiqu, China
Patent: 4