With the analysis among 33 patents, we discovered top 17 key players by total patent application. China Railway Eryuan Engineering Group Co., Ltd., China Railway Engineering Consulting Group Co., Ltd., China Railway First Survey & Design Institute Group Co., Ltd. are dominant in this area. They take 45.45% of the total patent filing.
China Railway Eryuan Engineering Group Co., Ltd.
Sichuan Sheng, China
Patent: 9
China Railway Engineering Consulting Group Co., Ltd.
Beijing Shi, China
Patent: 3
China Railway First Survey & Design Institute Group Co., Ltd.
Shaanxi Sheng, China
Patent: 3
Yahagi Construction Co., Ltd.
Aichi-ken, Japan
Patent: 1
Fukuoka-ken, Japan
Patent: 1
Sankyo Aluminum Industry Co., Ltd.
Toyama-ken, Japan
Patent: 1
China Civil Engineering Construction Corp.
Beijing Shi, China
Patent: 1
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With the analysis among related 12 patents applied in the last 5 years. We discover 10 most active companies in this area. The fast-growing China Railway Engineering Consulting Group Co., Ltd., China Railway First Survey & Design Institute Group Co., Ltd., Tiefa Coal Industry Group Railway Engineering Co., Ltd. take 58.33% of patent filing during this period.
China Railway Engineering Consulting Group Co., Ltd.
Beijing Shi, China
Patent: 3
China Railway First Survey & Design Institute Group Co., Ltd.
Shaanxi Sheng, China
Patent: 3
Tiefa Coal Industry Group Railway Engineering Co., Ltd.
Liaoning Sheng, China
Patent: 1
Korea Research Institute of Standards & Science
China Civil Engineering Construction Corp.
Beijing Shi, China
Patent: 1
Sichuan Qiyibiao Information Technology Co., Ltd.
Sichuan Sheng, China
Patent: 1
China Railway Shanghai Design Institute Group Co., Ltd.
Shanghai Shi, China
Patent: 1
China Railway Eryuan Engineering Group Co., Ltd.
Sichuan Sheng, China
Patent: 1
With the analysis among related 12 patents in last 5 years, we discover 9 new entrants. China Railway Engineering Consulting Group Co., Ltd., China Railway First Survey & Design Institute Group Co., Ltd., Tiefa Coal Industry Group Railway Engineering Co., Ltd. are the most active new entrants in this area.
China Railway Engineering Consulting Group Co., Ltd.
Beijing Shi, China
Patent: 3
China Railway First Survey & Design Institute Group Co., Ltd.
Shaanxi Sheng, China
Patent: 3
Tiefa Coal Industry Group Railway Engineering Co., Ltd.
Liaoning Sheng, China
Patent: 1
Korea Research Institute of Standards & Science
China Civil Engineering Construction Corp.
Beijing Shi, China
Patent: 1
Sichuan Qiyibiao Information Technology Co., Ltd.
Sichuan Sheng, China
Patent: 1
China Railway Shanghai Design Institute Group Co., Ltd.
Shanghai Shi, China
Patent: 1
With the analysis among 4 patents, we discovered top 2 universities and scientific research institutions by total patent application.
Chengdu University of Information Technology
Sichuan Sheng, China
Patent: 2
Railway Technical Research Institute