With the analysis among 109 patents, we discovered top 87 key players by total patent application. State Grid Corp. of China, Henan Kaifeng Power Supply Co., Jiangsu Electric Power Co. are dominant in this area. They take 43.12% of the total patent filing.
Beijing Shi, China
Patent: 30
Henan Kaifeng Power Supply Co.
Henan Sheng, China
Patent: 6
Jiangsu Sheng, China
Patent: 4
Tianjin Shi, China
Patent: 4
State Grid Shanghai Municipal Electric Power Co.
Shanghai Shi, China
Patent: 4
Jiangsu Sheng, China
Patent: 4
Hunan Sheng, China
Patent: 4
Guangdong Sheng, China
Patent: 3
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With the analysis among related 172 patents applied in the last 5 years. We discover 120 most active companies in this area. The fast-growing State Grid Corp. of China, Changsha University of Science & Technology, China Electric Power Research Institute Ltd. take 25.58% of patent filing during this period.
Beijing Shi, China
Patent: 25
Hunan Sheng, China
Patent: 10
Beijing Shi, China
Patent: 9
Beijing Shi, China
Patent: 8
Beijing Shi, China
Patent: 8
Shanghai Shi, China
Patent: 7
Tianjin Shi, China
Patent: 6
Jiangsu Sheng, China
Patent: 6
Henan Kaifeng Power Supply Co.
Henan Sheng, China
Patent: 6
Liaoning Sheng, China
Patent: 5
With the analysis among related 172 patents in last 5 years, we discover 109 new entrants. Shanghai Jiao Tong University, Henan Kaifeng Power Supply Co., North Eastern University are the most active new entrants in this area.
Shanghai Shi, China
Patent: 7
Henan Kaifeng Power Supply Co.
Henan Sheng, China
Patent: 6
Liaoning Sheng, China
Patent: 5
Jiangsu Sheng, China
Patent: 4
Jiangsu Sheng, China
Patent: 4
Hunan Sheng, China
Patent: 4
Sichuan Sheng, China
Patent: 4
State Grid Shanghai Municipal Electric Power Co.
Shanghai Shi, China
Patent: 4
Shaanxi Sheng, China
Patent: 3
Shenyang Institute of Engineering
Liaoning Sheng, China
Patent: 3
With the analysis among 126 patents, we discovered top 41 universities and scientific research institutions by total patent application. Changsha University of Science & Technology, Tsinghua University, North China Electric Power University are dominant in this area. They take 24.60% of the total patent filing.
Hunan Sheng, China
Patent: 11
Beijing Shi, China
Patent: 10
Beijing Shi, China
Patent: 10
Jiangsu Sheng, China
Patent: 8
Shanghai Shi, China
Patent: 7
Tianjin Shi, China
Patent: 7
Liaoning Sheng, China
Patent: 5
Sichuan Sheng, China
Patent: 4
Shandong Sheng, China
Patent: 3
Shaanxi Sheng, China
Patent: 3