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.
Beijing Shi, China
Patent: 7
Hyogo-ken, Japan
Patent: 5
Mitsubishi Heavy Industries, Ltd.
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.
Anhui Sheng, China
Patent: 4
Tianjin Shi, China
Patent: 3
Jiangsu Sheng, China
Patent: 3
Hyogo-ken, Japan
Patent: 3
Beijing Shi, China
Patent: 3
Henan Sheng, China
Patent: 2
Taiwan Province, China
Patent: 2
Beijing Shi, China
Patent: 2
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.
Anhui Sheng, China
Patent: 4
Henan Sheng, China
Patent: 2
Taiwan Province, China
Patent: 2
Hebei Sheng, China
Patent: 1
Jiangsu Sheng, China
Patent: 1
Liaoning Sheng, China
Patent: 1
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 Shi, China
Patent: 4
Anhui Sheng, China
Patent: 4
Beijing Shi, China
Patent: 4
Tianjin Shi, China
Patent: 4
Shaanxi Sheng, China
Patent: 3
Shandong Sheng, China
Patent: 2
Shandong Sheng, China
Patent: 2