With the analysis among 160 patents, we discovered top 72 key players by total patent application. Mitsubishi Electric Corp., Meidensha Corp., Hitachi Industrial Equipment Systems Co., Ltd. are dominant in this area. They take 18.75% of the total patent filing.
Mitsubishi Electric Corp.
Tokyo-to, Japan
Patent: 15
Hitachi Industrial Equipment Systems Co., Ltd.
Fukushima-ken, Japan
Patent: 6
Shiga-ken, Japan
Patent: 6
HD Hyundai Electric Co., Ltd.
Gyeonggi-do, South Korea
Patent: 5
Wolong Electric Yinchuan Transformer Co., Ltd.
Ningxia Huizi Zizhiqu, China
Patent: 4
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With the analysis among related 32 patents applied in the last 5 years. We discover 21 most active companies in this area. The fast-growing HD Hyundai Electric Co., Ltd., Korea Railroad Corp., Chongqing Kexin Electric Co., Ltd. take 34.38% of patent filing during this period.
HD Hyundai Electric Co., Ltd.
Gyeonggi-do, South Korea
Patent: 5
Chongqing Kexin Electric Co., Ltd.
Chongqing Shi, China
Patent: 3
Chengdu Feiya Aviation Equipment Application Research Institute Co., Ltd.
Sichuan Sheng, China
Patent: 2
Guangdong Orion Electric Power Technology Co., Ltd.
Guangdong Sheng, China
Patent: 2
Chizhou Botai Trading Co., Ltd.
Anhui Sheng, China
Patent: 2
China Railway Electrification Bureau (Group) Co., Ltd.
Beijing Shi, China
Patent: 2
Lianyungang Jari Electronics Co. Ltd.
Jiangsu Sheng, China
Patent: 2
Wolong Electric Yinchuan Transformer Co., Ltd.
Ningxia Huizi Zizhiqu, China
Patent: 2
Guangdong Kaikai Electric Co., Ltd.
Guangdong Sheng, China
Patent: 1
With the analysis among related 32 patents in last 5 years, we discover 16 new entrants. HD Hyundai Electric Co., Ltd., Korea Railroad Corp., Chongqing Kexin Electric Co., Ltd. are the most active new entrants in this area.
HD Hyundai Electric Co., Ltd.
Gyeonggi-do, South Korea
Patent: 5
Chongqing Kexin Electric Co., Ltd.
Chongqing Shi, China
Patent: 3
Chengdu Feiya Aviation Equipment Application Research Institute Co., Ltd.
Sichuan Sheng, China
Patent: 2
Guangdong Orion Electric Power Technology Co., Ltd.
Guangdong Sheng, China
Patent: 2
Chizhou Botai Trading Co., Ltd.
Anhui Sheng, China
Patent: 2
China Railway Electrification Bureau (Group) Co., Ltd.
Beijing Shi, China
Patent: 2
Guangdong Kaikai Electric Co., Ltd.
Guangdong Sheng, China
Patent: 1
Xi'an Jiaotong University
Shaanxi Sheng, China
Patent: 1
China Railway Electric Industries Co. Ltd.
Hebei Sheng, China
Patent: 1
With the analysis among 21 patents, we discovered top 11 universities and scientific research institutions by total patent application. Southwest Jiaotong University, Shanghai Jiao Tong University, Tsinghua University are dominant in this area. They take 42.86% of the total patent filing.
Southwest Jiaotong University
Sichuan Sheng, China
Patent: 4
Shanghai Jiao Tong University
Shanghai Shi, China
Patent: 2
Beijing Shi, China
Patent: 2
Xi'an Jiaotong University
Shaanxi Sheng, China
Patent: 1
Beijing Jiaotong University
Beijing Shi, China
Patent: 1
Railway Technical Research Institute
Shanghai Shi, China
Patent: 1
Hubei Sheng, China
Patent: 1
Jiangsu Sheng, China
Patent: 1
Hunan Sheng, China
Patent: 1