With the analysis among 156 patents, we discovered top 102 key players by total patent application. Hitachi Ltd., State Grid Corp. of China, Mitsubishi Electric Corp. are dominant in this area. They take 14.10% of the total patent filing.
State Grid Corp. of China
Beijing Shi, China
Patent: 7
Mitsubishi Electric Corp.
The Yokohama Rubber Co., Ltd.
Hyogo-ken, Japan
Patent: 5
Mitsubishi Heavy Industries, Ltd.
Nippon Telegraph & Telephone Corp.
California, United States
Patent: 4
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With the analysis among related 69 patents applied in the last 5 years. We discover 62 most active companies in this area. The fast-growing Hefei University of Technology, Institute of Electrical Engineering, Chinese Academy of Sciences, Tianjin University take 14.49% of patent filing during this period.
Hefei University of Technology
Anhui Sheng, China
Patent: 4
Institute of Electrical Engineering, Chinese Academy of Sciences
Tianjin Shi, China
Patent: 3
Jiangsu Sheng, China
Patent: 3
Hyogo-ken, Japan
Patent: 3
State Grid Corp. of China
Beijing Shi, China
Patent: 3
Zhengzhou University of Light Industry
Henan Sheng, China
Patent: 2
Taipei Medical University
Taiwan Province, China
Patent: 2
North China Electric Power University
Beijing Shi, China
Patent: 2
Hebei University of Technology
Hebei Sheng, China
Patent: 1
With the analysis among related 69 patents in last 5 years, we discover 49 new entrants. Hefei University of Technology, Institute of Electrical Engineering, Chinese Academy of Sciences, Zhengzhou University of Light Industry are the most active new entrants in this area.
Hefei University of Technology
Anhui Sheng, China
Patent: 4
Institute of Electrical Engineering, Chinese Academy of Sciences
Zhengzhou University of Light Industry
Henan Sheng, China
Patent: 2
Taipei Medical University
Taiwan Province, China
Patent: 2
Hebei University of Technology
Hebei Sheng, China
Patent: 1
Academy of Military Medical Sciences
Nantong Jiadi Sporting Goods Co., Ltd.
Jiangsu Sheng, China
Patent: 1
Liaoning Province Power Co. Ltd.
Liaoning Sheng, China
Patent: 1
Marketing Service Center of State Grid Jiangsu Electric Power Co., Ltd.
Jiangsu Sheng, China
Patent: 1
With the analysis among 80 patents, we discovered top 41 universities and scientific research institutions by total patent application. Southeast University, Shanghai Jiao Tong University, Hefei University of Technology are dominant in this area. They take 16.25% of the total patent filing.
Jiangsu Sheng, China
Patent: 5
Shanghai Jiao Tong University
Shanghai Shi, China
Patent: 4
Hefei University of Technology
Anhui Sheng, China
Patent: 4
North China Electric Power University
Beijing Shi, China
Patent: 4
Tianjin Shi, China
Patent: 4
Railway Technical Research Institute
Xi'an University of Technology
Shaanxi Sheng, China
Patent: 3
Institute of Electrical Engineering, Chinese Academy of Sciences
Shandong Sheng, China
Patent: 2
China University of Petroleum (East China)
Shandong Sheng, China
Patent: 2