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.
State Grid Corp. of China
Beijing Shi, China
Patent: 6
China Academy of Railway Sciences Group Co. Ltd.
Beijing Shi, China
Patent: 2
China Railway Northwest Research Institute Co., Ltd.
Gansu Sheng, China
Patent: 2
China Railway Ninth Bureau Group Co., Ltd.
Liaoning Sheng, China
Patent: 2
Sanchuan Wisdom Technology Co., Ltd.
Jiangxi Sheng, China
Patent: 1
Shandong Electric Power Corp.
Shandong Sheng, China
Patent: 1
Jiangsu Electric Power Co.
Jiangsu Sheng, China
Patent: 1
Jiangsu Sheng, China
Patent: 1
China Railway Jianzhu Group Co., Ltd.
Beijing Shi, China
Patent: 1
State Grid Jiangxi Electric Power Co., Ltd.
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.
Northwestern Polytechnical University
Shaanxi Sheng, China
Patent: 3
Nanjing University of Science & Technology
Jiangsu Sheng, China
Patent: 3
Southwest Petroleum University
Sichuan Sheng, China
Patent: 3
Dalian University of Technology
Liaoning Sheng, China
Patent: 3
China Academy of Railway Sciences Group Co. Ltd.
Beijing Shi, China
Patent: 2
Tianjin Shi, China
Patent: 2
Hefei University of Technology
Anhui Sheng, China
Patent: 2
China Railway Northwest Research Institute Co., Ltd.
Gansu Sheng, China
Patent: 2
China Railway Ninth Bureau Group Co., Ltd.
Liaoning Sheng, China
Patent: 2
Shandong University of Science & Technology
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.
Nanjing University of Science & Technology
Jiangsu Sheng, China
Patent: 3
Southwest Petroleum University
Sichuan Sheng, China
Patent: 3
Dalian University of Technology
Liaoning Sheng, China
Patent: 3
China Academy of Railway Sciences Group Co. Ltd.
Beijing Shi, China
Patent: 2
China Railway Northwest Research Institute Co., Ltd.
Gansu Sheng, China
Patent: 2
China Railway Ninth Bureau Group Co., Ltd.
Liaoning Sheng, China
Patent: 2
Guizhou Sheng, China
Patent: 2
Northwestern Polytechnical University Qingdao Research Institute
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Patent: 2
Sanchuan Wisdom Technology Co., Ltd.
Jiangxi Sheng, China
Patent: 1
Shanghai Dianji University
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.
Hefei University of Technology
Anhui Sheng, China
Patent: 5
Northwestern Polytechnical University
Shaanxi Sheng, China
Patent: 4
Jiangsu Sheng, China
Patent: 4
Tianjin Shi, China
Patent: 4
Shanghai Jiao Tong University
Shanghai Shi, China
Patent: 3
Nanjing University of Science & Technology
Jiangsu Sheng, China
Patent: 3
Southwest Petroleum University
Sichuan Sheng, China
Patent: 3
Shandong University of Science & Technology
Shandong Sheng, China
Patent: 3
Fujian Sheng, China
Patent: 3
Xi'an Jiaotong University
Shaanxi Sheng, China
Patent: 2