With the analysis among 70 patents, we discovered top 65 key players by total patent application. State Grid Corp. of China, Hitachi Ltd., Zhejiang Chint Electrics Co., Ltd. are dominant in this area. They take 22.86% of the total patent filing.
State Grid Corp. of China
Beijing Shi, China
Patent: 10
Zhejiang Chint Electrics Co., Ltd.
Zhejiang Sheng, China
Patent: 3
California, United States
Patent: 2
Shandong Sheng, China
Patent: 2
Jiangsu Electric Power Co.
Jiangsu Sheng, China
Patent: 2
Zhejiang Electric Power Co., Ltd.
Zhejiang Sheng, China
Patent: 2
Matsushita Electronics Corp.
Hangzhou Zhongheng Power Energy Co. Ltd.
Zhejiang Sheng, China
Patent: 2
State Grid Beijing Electric Power Co.
Beijing Shi, China
Patent: 2
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With the analysis among related 21 patents applied in the last 5 years. We discover 24 most active companies in this area. The fast-growing State Grid Corp. of China, Taiyuan University of Technology, Hangzhou Zhongheng Power Energy Co. Ltd. take 33.33% of patent filing during this period.
State Grid Corp. of China
Beijing Shi, China
Patent: 3
Taiyuan University of Technology
Shanxi Sheng, China
Patent: 2
Hangzhou Zhongheng Power Energy Co. Ltd.
Zhejiang Sheng, China
Patent: 2
State Grid Hebei Electric Power Co.
Hubei Sheng, China
Patent: 1
Zhejiang Electric Power Co., Ltd.
Zhejiang Sheng, China
Patent: 1
Shenyang Polytechnic University
Liaoning Sheng, China
Patent: 1
Weihai Guangtai Airport Equipment Co., Ltd.
Shandong Sheng, China
Patent: 1
Zhejiang Sheng, China
Patent: 1
Hunan Huda Hualong Electric and Information Technology Co., Ltd.
Hunan Sheng, China
Patent: 1
CRRC Qingdao Sifang Rolling Stock Research Institute Co., Ltd.
Shandong Sheng, China
Patent: 1
With the analysis among related 21 patents in last 5 years, we discover 22 new entrants. Taiyuan University of Technology, Hangzhou Zhongheng Power Energy Co. Ltd., State Grid Hebei Electric Power Co. are the most active new entrants in this area.
Taiyuan University of Technology
Shanxi Sheng, China
Patent: 2
Hangzhou Zhongheng Power Energy Co. Ltd.
Zhejiang Sheng, China
Patent: 2
State Grid Hebei Electric Power Co.
Hubei Sheng, China
Patent: 1
Shenyang Polytechnic University
Liaoning Sheng, China
Patent: 1
Weihai Guangtai Airport Equipment Co., Ltd.
Shandong Sheng, China
Patent: 1
Zhejiang Sheng, China
Patent: 1
Hunan Huda Hualong Electric and Information Technology Co., Ltd.
Hunan Sheng, China
Patent: 1
CRRC Qingdao Sifang Rolling Stock Research Institute Co., Ltd.
Shandong Sheng, China
Patent: 1
Liaoning Province Power Co. Ltd.
Liaoning Sheng, China
Patent: 1
DFINE Technology Co., Ltd.
Sichuan Sheng, China
Patent: 1
With the analysis among 23 patents, we discovered top 15 universities and scientific research institutions by total patent application. Taiyuan University of Technology, Shandong University, Zhejiang University are dominant in this area. They take 26.09% of the total patent filing.
Taiyuan University of Technology
Shanxi Sheng, China
Patent: 2
Shandong Sheng, China
Patent: 1
Zhejiang Sheng, China
Patent: 1
Beijing Shi, China
Patent: 1
Beijing Shi, China
Patent: 1
Beijing Jiaotong University
Beijing Shi, China
Patent: 1
North China Electric Power University
Beijing Shi, China
Patent: 1
Hunan Sheng, China
Patent: 1
Changchun Institute of Optics Fine Mechanics & Physics
China Electric Power Research Institute Ltd.
Beijing Shi, China
Patent: 1