With the analysis among 712 patents, we discovered top 327 key players by total patent application. State Grid Corp. of China, Hitachi Ltd., DENSO Corp. are dominant in this area. They take 13.06% of the total patent filing.
State Grid Corp. of China
Beijing Shi, China
Patent: 33
Tokyo-to, Japan
Patent: 30
Aichi-ken, Japan
Patent: 30
Matsushita Electronics Corp.
Osaka-fu, Japan
Patent: 22
Fukuoka-ken, Japan
Patent: 19
Toshiba Mitsubishi-Electric Industrial Systems Corp.
Tokyo-to, Japan
Patent: 18
Tokyo-to, Japan
Patent: 16
Massachusetts, United States
Patent: 12
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With the analysis among related 272 patents applied in the last 5 years. We discover 192 most active companies in this area. The fast-growing Electric Power Research Institute of Yunnan Power Grid Co., Ltd., State Grid Corp. of China, Changsha University of Science & Technology take 14.71% of patent filing during this period.
Electric Power Research Institute of Yunnan Power Grid Co., Ltd.
Yunnan Sheng, China
Patent: 15
State Grid Corp. of China
Beijing Shi, China
Patent: 14
Changsha University of Science & Technology
Hunan Sheng, China
Patent: 11
Toshiba Mitsubishi-Electric Industrial Systems Corp.
Nordrhein-Westfalen, Germany
Patent: 7
Huazhong University of Science & Technology
Hubei Sheng, China
Patent: 6
Jiangsu Sheng, China
Patent: 5
Delta Electronics (Shanghai) Co., Ltd.
Shanghai Shi, China
Patent: 5
With the analysis among related 272 patents in last 5 years, we discover 140 new entrants. Miele & Cie. KG, Kia Corp., State Grid Zhejiang Electric Power Co., Ltd. Electric Power Research Institute are the most active new entrants in this area.
Nordrhein-Westfalen, Germany
Patent: 7
State Grid Zhejiang Electric Power Co., Ltd. Electric Power Research Institute
Zhejiang Sheng, China
Patent: 5
Guangdong Power Grid Co. Ltd.
Guangdong Sheng, China
Patent: 4
State Grid Henan Electric Power Company Electric Power Research Institute
Henan Sheng, China
Patent: 4
Xi'an Xirui Control Technology Co., Ltd.
Shaanxi Sheng, China
Patent: 4
Fujian Sheng, China
Patent: 3
Xi'an University of Technology
Shaanxi Sheng, China
Patent: 3
Anhui Pavel Intelligent Technology Co., Ltd.
Anhui Sheng, China
Patent: 3
With the analysis among 234 patents, we discovered top 62 universities and scientific research institutions by total patent application. Changsha University of Science & Technology, Nanjing University of Science & Technology, Huazhong University of Science & Technology are dominant in this area. They take 19.66% of the total patent filing.
Changsha University of Science & Technology
Hunan Sheng, China
Patent: 15
Nanjing University of Science & Technology
Jiangsu Sheng, China
Patent: 10
Huazhong University of Science & Technology
Hubei Sheng, China
Patent: 9
Shandong Sheng, China
Patent: 8
Shanghai Jiao Tong University
Shanghai Shi, China
Patent: 7
South China University of Technology
Guangdong Sheng, China
Patent: 7
Anhui Sheng, China
Patent: 6
Northeast Electric Power University
Jilin Sheng, China
Patent: 6
Hefei University of Technology
Anhui Sheng, China
Patent: 5
China University of Mining & Technology
Jiangsu Sheng, China
Patent: 5