With the analysis among 19 patents, we discovered top 18 key players by total patent application. China Railway Eryuan Engineering Group Co., Ltd., China Power Construction Jijiao Expressway Investment and Development Co., Ltd., China Academy of Railway Sciences Group Co. Ltd. are dominant in this area. They take 63.16% of the total patent filing.
Sichuan Sheng, China
Patent: 4
Hebei Sheng, China
Patent: 4
Beijing Shi, China
Patent: 2
Beijing Shi, China
Patent: 2
National Railway Sichuan-Tibet Technology Innovation Center (Chengdu) Co., Ltd.
Sichuan Sheng, China
Patent: 2
Beijing Shi, China
Patent: 2
Beijing Shi, China
Patent: 1
Liaoning Sheng, China
Patent: 1
Guangdong Sheng, China
Patent: 1
Shanghai Shi, China
Patent: 1
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With the analysis among related 33 patents applied in the last 5 years. We discover 33 most active companies in this area. The fast-growing Harbin Institute of Technology, China Railway Eryuan Engineering Group Co., Ltd., China Power Construction Jijiao Expressway Investment and Development Co., Ltd. take 39.39% of patent filing during this period.
Heilongjiang Sheng, China
Patent: 5
Sichuan Sheng, China
Patent: 4
Hebei Sheng, China
Patent: 4
Sichuan Sheng, China
Patent: 4
Guangdong Sheng, China
Patent: 2
National Railway Sichuan-Tibet Technology Innovation Center (Chengdu) Co., Ltd.
Sichuan Sheng, China
Patent: 2
Beijing Shi, China
Patent: 2
Beijing Shi, China
Patent: 2
Beijing Shi, China
Patent: 2
Liaoning Sheng, China
Patent: 1
With the analysis among related 33 patents in last 5 years, we discover 32 new entrants. Harbin Institute of Technology, China Railway Eryuan Engineering Group Co., Ltd., China Power Construction Jijiao Expressway Investment and Development Co., Ltd. are the most active new entrants in this area.
Heilongjiang Sheng, China
Patent: 5
Sichuan Sheng, China
Patent: 4
Hebei Sheng, China
Patent: 4
Sichuan Sheng, China
Patent: 4
Guangdong Sheng, China
Patent: 2
National Railway Sichuan-Tibet Technology Innovation Center (Chengdu) Co., Ltd.
Sichuan Sheng, China
Patent: 2
Beijing Shi, China
Patent: 2
Beijing Shi, China
Patent: 2
Beijing Shi, China
Patent: 2
Liaoning Sheng, China
Patent: 1
With the analysis among 34 patents, we discovered top 15 universities and scientific research institutions by total patent application. Harbin Institute of Technology, Guangdong University of Technology, Southwest Jiaotong University are dominant in this area. They take 38.24% of the total patent filing.
Heilongjiang Sheng, China
Patent: 5
Guangdong Sheng, China
Patent: 4
Sichuan Sheng, China
Patent: 4
Beijing Shi, China
Patent: 2
Guangdong Sheng, China
Patent: 2
Hunan Sheng, China
Patent: 1
Shaanxi Sheng, China
Patent: 1
Beijing Shi, China
Patent: 1
Beijing Shi, China
Patent: 1
Jiangsu Sheng, China
Patent: 1