With the analysis among 31 patents, we discovered top 24 key players by total patent application. China Academy of Railway Sciences Group Co. Ltd., Communication and Signal Research Institute of China Academy of Railway Sciences Group Co., Ltd., Isuzu Motors Ltd. are dominant in this area. They take 25.81% of the total patent filing.
Beijing Shi, China
Patent: 3
Beijing Shi, China
Patent: 3
Beijing Shi, China
Patent: 2
Beijing Shi, China
Patent: 2
Beijing Shi, China
Patent: 2
Ford Global Technologies LLC
Michigan, United States
Patent: 2
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With the analysis among related 15 patents applied in the last 5 years. We discover 11 most active companies in this area. The fast-growing Communication and Signal Research Institute of China Academy of Railway Sciences Group Co., Ltd., China Academy of Railway Sciences Group Co. Ltd., Beijing National Railway Rsch & Design Inst of Signal & Comm take 53.33% of patent filing during this period.
Beijing Shi, China
Patent: 3
Beijing Shi, China
Patent: 3
Beijing Shi, China
Patent: 2
Beijing Shi, China
Patent: 2
Beijing Shi, China
Patent: 2
Jiangsu Sheng, China
Patent: 1
Sichuan Sheng, China
Patent: 1
Beijing Shi, China
Patent: 1
Zhejiang Sheng, China
Patent: 1
With the analysis among related 15 patents in last 5 years, we discover 11 new entrants. Communication and Signal Research Institute of China Academy of Railway Sciences Group Co., Ltd., China Academy of Railway Sciences Group Co. Ltd., Beijing National Railway Rsch & Design Inst of Signal & Comm are the most active new entrants in this area.
Beijing Shi, China
Patent: 3
Beijing Shi, China
Patent: 3
Beijing Shi, China
Patent: 2
Beijing Shi, China
Patent: 2
Beijing Shi, China
Patent: 2
Jiangsu Sheng, China
Patent: 1
Sichuan Sheng, China
Patent: 1
Beijing Shi, China
Patent: 1
Zhejiang Sheng, China
Patent: 1
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