With the analysis among 30 patents, we discovered top 33 key players by total patent application. State Grid Corp. of China, China Academy of Railway Sciences Group Co. Ltd., China Railway Northwest Research Institute Co., Ltd. are dominant in this area. They take 33.33% of the total patent filing.
Beijing Shi, China
Patent: 6
Beijing Shi, China
Patent: 2
Gansu Sheng, China
Patent: 2
Liaoning Sheng, China
Patent: 2
Jiangxi Sheng, China
Patent: 1
Shandong Sheng, China
Patent: 1
Jiangsu Sheng, China
Patent: 1
Jiangsu Sheng, China
Patent: 1
Beijing Shi, China
Patent: 1
Jiangxi Sheng, China
Patent: 1
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With the analysis among related 64 patents applied in the last 5 years. We discover 63 most active companies in this area. The fast-growing Northwestern Polytechnical University, Nanjing University of Science & Technology, Southwest Petroleum University take 14.06% of patent filing during this period.
Shaanxi Sheng, China
Patent: 3
Jiangsu Sheng, China
Patent: 3
Sichuan Sheng, China
Patent: 3
Liaoning Sheng, China
Patent: 3
Beijing Shi, China
Patent: 2
Tianjin Shi, China
Patent: 2
Anhui Sheng, China
Patent: 2
Gansu Sheng, China
Patent: 2
Liaoning Sheng, China
Patent: 2
Shandong Sheng, China
Patent: 2
With the analysis among related 64 patents in last 5 years, we discover 51 new entrants. Nanjing University of Science & Technology, Southwest Petroleum University, Dalian University of Technology are the most active new entrants in this area.
Jiangsu Sheng, China
Patent: 3
Sichuan Sheng, China
Patent: 3
Liaoning Sheng, China
Patent: 3
Beijing Shi, China
Patent: 2
Gansu Sheng, China
Patent: 2
Liaoning Sheng, China
Patent: 2
Guizhou Sheng, China
Patent: 2
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Patent: 2
Jiangxi Sheng, China
Patent: 1
Shanghai Shi, China
Patent: 1
With the analysis among 91 patents, we discovered top 49 universities and scientific research institutions by total patent application. Hefei University of Technology, Northwestern Polytechnical University, Southeast University are dominant in this area. They take 14.29% of the total patent filing.
Anhui Sheng, China
Patent: 5
Shaanxi Sheng, China
Patent: 4
Jiangsu Sheng, China
Patent: 4
Tianjin Shi, China
Patent: 4
Shanghai Shi, China
Patent: 3
Jiangsu Sheng, China
Patent: 3
Sichuan Sheng, China
Patent: 3
Shandong Sheng, China
Patent: 3
Fujian Sheng, China
Patent: 3
Shaanxi Sheng, China
Patent: 2