With the analysis among 200 patents, we discovered top 137 key players by total patent application. CCCC First Highway Consultants Co., Ltd., China Railway Northwest Research Institute Co., Ltd., State Grid Corp. of China are dominant in this area. They take 10.50% of the total patent filing.
Shaanxi Sheng, China
Patent: 12
Gansu Sheng, China
Patent: 5
Beijing Shi, China
Patent: 4
Shaanxi Sheng, China
Patent: 4
Xi'an Yuanfengcheng Engineering Consulting Co., Ltd.
Shaanxi Sheng, China
Patent: 4
Beijing Shi, China
Patent: 3
Sichuan Sheng, China
Patent: 3
Beijing Shi, China
Patent: 2
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With the analysis among related 490 patents applied in the last 5 years. We discover 261 most active companies in this area. The fast-growing Northwest Institute of Ecological Environment and Resources, Chinese Academy of Sciences, Anhui University of Science & Technology, Shijiazhuang Tiedao University take 10.20% of patent filing during this period.
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Patent: 22
Anhui Sheng, China
Patent: 15
Hebei Sheng, China
Patent: 13
Jiangsu Sheng, China
Patent: 9
Heilongjiang Sheng, China
Patent: 8
Shaanxi Sheng, China
Patent: 7
Tianjin Shi, China
Patent: 6
Gansu Sheng, China
Patent: 6
Heilongjiang Sheng, China
Patent: 5
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Patent: 5
With the analysis among related 490 patents in last 5 years, we discover 249 new entrants. Shijiazhuang Tiedao University, China University of Mining & Technology, Harbin Institute of Technology are the most active new entrants in this area.
Hebei Sheng, China
Patent: 13
Jiangsu Sheng, China
Patent: 9
Heilongjiang Sheng, China
Patent: 8
Gansu Sheng, China
Patent: 6
Heilongjiang Sheng, China
Patent: 5
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Patent: 5
Hubei Sheng, China
Patent: 5
Beijing Shi, China
Patent: 4
Beijing Shi, China
Patent: 4
Xi'an Yuanfengcheng Engineering Consulting Co., Ltd.
Shaanxi Sheng, China
Patent: 4
With the analysis among 338 patents, we discovered top 93 universities and scientific research institutions by total patent application. Anhui University of Science & Technology, Shijiazhuang Tiedao University, China University of Mining & Technology are dominant in this area. They take 16.86% of the total patent filing.
Anhui Sheng, China
Patent: 16
Hebei Sheng, China
Patent: 13
Jiangsu Sheng, China
Patent: 9
Tianjin Shi, China
Patent: 8
Heilongjiang Sheng, China
Patent: 8
Gansu Sheng, China
Patent: 6
Jiangsu Sheng, China
Patent: 5
Jiangsu Sheng, China
Patent: 5
Heilongjiang Sheng, China
Patent: 5
Hubei Sheng, China
Patent: 5