With the analysis among 1,060 patents, we discovered top 333 key players by total patent application. Mitsubishi Electric Corp., TOSHIBA Corp., Hitachi Ltd. are dominant in this area. They take 14.15% of the total patent filing.
Tokyo-to, Japan
Patent: 71
Tokyo-to, Japan
Patent: 40
Tokyo-to, Japan
Patent: 39
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Patent: 27
Tokyo-to, Japan
Patent: 21
Bayern, Germany
Patent: 20
Tokyo-to, Japan
Patent: 20
Gyeonggi-do, South Korea
Patent: 20
Tokyo-to, Japan
Patent: 16
Tokyo-to, Japan
Patent: 13
With the analysis among 1 patents, we discovered top 1 start-ups by total patent application.
With the analysis among related 276 patents applied in the last 5 years. We discover 86 most active companies in this area. The fast-growing Russian Railways OJSC, Chengdu Shanghua Electric Co., Ltd., Southwest Jiaotong University take 8.33% of patent filing during this period.
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Patent: 10
Sichuan Sheng, China
Patent: 7
Sichuan Sheng, China
Patent: 6
Shanghai Shi, China
Patent: 3
Hebei Sheng, China
Patent: 3
Beijing Shi, China
Patent: 3
Shanghai Shi, China
Patent: 2
With the analysis among related 276 patents in last 5 years, we discover 62 new entrants. Chengdu Shanghua Electric Co., Ltd., Voith Patent GmbH, Shanghai Rail Transit Maintenance Support Co.,Ltd. are the most active new entrants in this area.
Sichuan Sheng, China
Patent: 7
Shanghai Shi, China
Patent: 3
Hebei Sheng, China
Patent: 3
Beijing Shi, China
Patent: 3
Shanghai Shi, China
Patent: 2
Jiangsu Sheng, China
Patent: 2
With the analysis among 131 patents, we discovered top 19 universities and scientific research institutions by total patent application. Railway Technical Research Institute, Southwest Jiaotong University, Tsinghua University are dominant in this area. They take 48.85% of the total patent filing.
Sichuan Sheng, China
Patent: 8
Beijing Shi, China
Patent: 3
Zhejiang Sheng, China
Patent: 2
Shanghai Shi, China
Patent: 2
Taiwan Province, China
Patent: 2
Beijing Shi, China
Patent: 1
Taiwan Province, China
Patent: 1