With the analysis among 412 patents, we discovered top 234 key players by total patent application. Mitsubishi Electric Corp., Hitachi Ltd., TOSHIBA Corp. are dominant in this area. They take 12.62% of the total patent filing.
Tokyo-to, Japan
Patent: 20
Tokyo-to, Japan
Patent: 16
Tokyo-to, Japan
Patent: 16
Osaka-fu, Japan
Patent: 10
Fukuoka-ken, Japan
Patent: 7
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With the analysis among related 44 patents applied in the last 5 years. We discover 41 most active companies in this area. The fast-growing Harbin Engineering University, Harbin Institute of Technology, Beihang University take 18.18% of patent filing during this period.
Heilongjiang Sheng, China
Patent: 3
Heilongjiang Sheng, China
Patent: 3
Beijing Shi, China
Patent: 2
Guangdong Sheng, China
Patent: 2
Zhejiang Sheng, China
Patent: 2
Guangdong Sheng, China
Patent: 1
Jilin Sheng, China
Patent: 1
Chongqing Shi, China
Patent: 1
Beijing Shi, China
Patent: 1
With the analysis among related 44 patents in last 5 years, we discover 35 new entrants. Harbin Engineering University, Harbin Institute of Technology, China Southern Power Grid Co., Ltd. are the most active new entrants in this area.
Heilongjiang Sheng, China
Patent: 3
Heilongjiang Sheng, China
Patent: 3
Guangdong Sheng, China
Patent: 2
Zhejiang Sheng, China
Patent: 2
Guangdong Sheng, China
Patent: 1
Jilin Sheng, China
Patent: 1
Chongqing Shi, China
Patent: 1
Beijing Shi, China
Patent: 1
Hebei Sheng, China
Patent: 1
With the analysis among 75 patents, we discovered top 41 universities and scientific research institutions by total patent application. Nagoya Institute of Technology, North China Electric Power University, Fukuoka Institute of Technology are dominant in this area. They take 18.67% of the total patent filing.
Aichi-ken, Japan
Patent: 5
Beijing Shi, China
Patent: 4
Fukuoka-ken, Japan
Patent: 4
Beijing Shi, China
Patent: 3
Sichuan Sheng, China
Patent: 3
Heilongjiang Sheng, China
Patent: 3
Heilongjiang Sheng, China
Patent: 3
Beijing Shi, China
Patent: 2
Shaanxi Sheng, China
Patent: 2
Hubei Sheng, China
Patent: 2