With the analysis among 379 patents, we discovered top 137 key players by total patent application. TOSHIBA Corp., Hitachi Ltd., Mitsubishi Heavy Industries, Ltd. are dominant in this area. They take 29.82% of the total patent filing.
Tokyo-to, Japan
Patent: 52
Tokyo-to, Japan
Patent: 40
Mitsubishi Heavy Industries, Ltd.
Tokyo-to, Japan
Patent: 21
Beijing Shi, China
Patent: 20
Tokyo-to, Japan
Patent: 14
Tokyo-to, Japan
Patent: 12
Tokyo-to, Japan
Patent: 12
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With the analysis among related 145 patents applied in the last 5 years. We discover 99 most active companies in this area. The fast-growing Korea Electric Power Corp., Hitachi Ltd., State Grid Corp. of China take 22.76% of patent filing during this period.
Beijing Shi, China
Patent: 7
Fujian Sheng, China
Patent: 6
Fujian Sheng, China
Patent: 4
Nippon Railway Corporation
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Patent: 3
With the analysis among related 145 patents in last 5 years, we discover 66 new entrants. Sangmyung University Industry-Academy Cooperation Foundation, Nippon Railway Corporation, Shenzhen Power Supply Bureau Co., Ltd. are the most active new entrants in this area.
Nippon Railway Corporation
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Patent: 3
Guangdong Sheng, China
Patent: 2
Fujian Sheng, China
Patent: 2
Yunnan Sheng, China
Patent: 2
Jess Tangqian International Co., Ltd
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Patent: 2
With the analysis among 64 patents, we discovered top 12 universities and scientific research institutions by total patent application. Kyushu University, North China Electric Power University, Gwangju Institute of Science & Technology are dominant in this area. They take 40.63% of the total patent filing.
Fukuoka-ken, Japan
Patent: 3
Beijing Shi, China
Patent: 2
Aichi-ken, Japan
Patent: 1
Guangdong Sheng, China
Patent: 1
Beijing Shi, China
Patent: 1
Beijing Shi, China
Patent: 1