With the analysis among 549 patents, we discovered top 279 key players by total patent application. State Grid Corp. of China, Gree Electric Appliances, Inc. of Zhuhai, State Grid Shanghai Municipal Electric Power Co. are dominant in this area. They take 44.44% of the total patent filing.
Beijing Shi, China
Patent: 146
Guangdong Sheng, China
Patent: 33
State Grid Shanghai Municipal Electric Power Co.
Shanghai Shi, China
Patent: 29
Tianjin Shi, China
Patent: 27
Hebei Electric Power Corp.
Hebei Sheng, China
Patent: 21
Guizhou Sheng, China
Patent: 18
Zhejiang Electric Power Co., Ltd.
Zhejiang Sheng, China
Patent: 15
Beijing Shi, China
Patent: 13
Shandong Sheng, China
Patent: 12
Jiangsu Sheng, China
Patent: 12
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With the analysis among related 585 patents applied in the last 5 years. We discover 329 most active companies in this area. The fast-growing State Grid Corp. of China, China Electric Power Research Institute Ltd., Gree Electric Appliances, Inc. of Zhuhai take 30.60% of patent filing during this period.
Beijing Shi, China
Patent: 102
Beijing Shi, China
Patent: 47
Guangdong Sheng, China
Patent: 30
State Grid Shanghai Municipal Electric Power Co.
Shanghai Shi, China
Patent: 20
Tianjin Shi, China
Patent: 18
Hebei Electric Power Corp.
Hebei Sheng, China
Patent: 18
Guizhou Sheng, China
Patent: 18
Beijing Shi, China
Patent: 17
Zhejiang Sheng, China
Patent: 15
Beijing Shi, China
Patent: 15
With the analysis among related 585 patents in last 5 years, we discover 279 new entrants. Guizhou Power Grid Co., State Grid Energy Research Institute Co., Ltd., Hangzhou Electric Power Bureau are the most active new entrants in this area.
Guizhou Sheng, China
Patent: 18
Beijing Shi, China
Patent: 13
Zhejiang Sheng, China
Patent: 12
Liaoning Sheng, China
Patent: 10
Beijing Shi, China
Patent: 7
Fujian Sheng, China
Patent: 6
Jiangsu Electricity Co. Nantong Power Supply Co.
Jiangsu Sheng, China
Patent: 6
Beijing Shi, China
Patent: 6
Shenzhen Institute of Information Technology
Guangdong Sheng, China
Patent: 5
Heilongjiang Sheng, China
Patent: 5
With the analysis among 310 patents, we discovered top 72 universities and scientific research institutions by total patent application. Tsinghua University, North China Electric Power University, China Electric Power Research Institute Ltd. are dominant in this area. They take 34.19% of the total patent filing.
Beijing Shi, China
Patent: 29
Beijing Shi, China
Patent: 23
Beijing Shi, China
Patent: 19
Zhejiang Sheng, China
Patent: 17
Jiangsu Sheng, China
Patent: 15
Tianjin Shi, China
Patent: 14
Shanghai Shi, China
Patent: 13
Liaoning Sheng, China
Patent: 12
Shanghai Shi, China
Patent: 9
Sichuan Sheng, China
Patent: 7