With the analysis among 350 patents, we discovered top 132 key players by total patent application. Matsushita Electronics Corp., Hitachi Ltd., Fujitsu Ltd. are dominant in this area. They take 17.43% of the total patent filing.
Osaka-fu, Japan
Patent: 22
Tokyo-to, Japan
Patent: 21
Tokyo-to, Japan
Patent: 18
Tokyo-to, Japan
Patent: 16
Tokyo-to, Japan
Patent: 15
Tokyo-to, Japan
Patent: 13
Hyogo-ken, Japan
Patent: 13
Beijing Shi, China
Patent: 9
Texas, United States
Patent: 8
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With the analysis among related 29 patents applied in the last 5 years. We discover 32 most active companies in this area. The fast-growing State Grid Corp. of China, Tianjin Electric Power Corp., Samsung Electronics Co., Ltd. take 24.14% of patent filing during this period.
Beijing Shi, China
Patent: 3
Tianjin Shi, China
Patent: 2
Guangdong Sheng, China
Patent: 2
Chiba-ken, Japan
Patent: 2
California, United States
Patent: 2
Guangdong Sheng, China
Patent: 2
Jiangsu Sheng, China
Patent: 2
Chongqing Shi, China
Patent: 1
With the analysis among related 29 patents in last 5 years, we discover 27 new entrants. Guangdong Power Grid Co. Ltd., Resonac Holdings Corp., California Institute of Technology are the most active new entrants in this area.
Guangdong Sheng, China
Patent: 2
Chiba-ken, Japan
Patent: 2
California, United States
Patent: 2
Guangdong Sheng, China
Patent: 2
Jiangsu Sheng, China
Patent: 2
Chongqing Shi, China
Patent: 1
Anhui Sheng, China
Patent: 1
Shanghai Shi, China
Patent: 1
Anhui Sheng, China
Patent: 1
Zhejiang Sheng, China
Patent: 1
With the analysis among 47 patents, we discovered top 20 universities and scientific research institutions by total patent application. University of Tokyo, University of South Carolina, Jilin University are dominant in this area. They take 57.45% of the total patent filing.
Tokyo-to, Japan
Patent: 12
South Carolina, United States
Patent: 2
Jilin Sheng, China
Patent: 2
California, United States
Patent: 2
Jiangsu Sheng, China
Patent: 2
Beijing Shi, China
Patent: 1
Beijing Shi, China
Patent: 1
Beijing Shi, China
Patent: 1
Zhejiang Sheng, China
Patent: 1
Hubei Sheng, China
Patent: 1