With the analysis among 8,509 patents, we discovered top 449 key players by total patent application. China Railway Engineering Equipment Group Co., Ltd., China Railway Tunnel Bureau Group Co., Ltd., China Railway Construction Heavy Industry Corp. Ltd. are dominant in this area. They take 10.68% of the total patent filing.
China Railway Engineering Equipment Group Co., Ltd.
Henan Sheng, China
Patent: 488
China Railway Tunnel Bureau Group Co., Ltd.
Guangdong Sheng, China
Patent: 225
China Railway Construction Heavy Industry Corp. Ltd.
Hunan Sheng, China
Patent: 196
China Railway Engineering Services Co., Ltd.
Sichuan Sheng, China
Patent: 176
China Railway Siyuan Survey & Design Group Co., Ltd.
Hubei Sheng, China
Patent: 138
Tianhe Mechanical Equipment Manufacturing Co. Ltd.
Jiangsu Sheng, China
Patent: 136
Shanghai Tunnel Industrial Co., Ltd.
Shanghai Shi, China
Patent: 133
China Railway 12th Bureau Group Co., Ltd.
Shanxi Sheng, China
Patent: 114
China Construction Eighth Bureau Rail Transit Construction Co., Ltd.
Jiangsu Sheng, China
Patent: 114
China Railway 12th Bureau Group 2nd Engineering Co., Ltd.
Shanxi Sheng, China
Patent: 100
With the analysis among 1 patents, we discovered top 1 start-ups by total patent application.
Wuxi Xuelang Shuzhi Technology Co. Ltd.
Jiangsu Sheng, China
Patent: 1
With the analysis among related 7,843 patents applied in the last 5 years. We discover 500 most active companies in this area. The fast-growing China Railway Engineering Equipment Group Co., Ltd., China Railway Tunnel Bureau Group Co., Ltd., China Railway Engineering Services Co., Ltd. take 10.05% of patent filing during this period.
China Railway Engineering Equipment Group Co., Ltd.
Henan Sheng, China
Patent: 411
China Railway Tunnel Bureau Group Co., Ltd.
Guangdong Sheng, China
Patent: 203
China Railway Engineering Services Co., Ltd.
Sichuan Sheng, China
Patent: 174
China Railway Construction Heavy Industry Corp. Ltd.
Hunan Sheng, China
Patent: 148
Southwest Jiaotong University
Sichuan Sheng, China
Patent: 145
China Railway Siyuan Survey & Design Group Co., Ltd.
Hubei Sheng, China
Patent: 125
Tianhe Mechanical Equipment Manufacturing Co. Ltd.
Jiangsu Sheng, China
Patent: 125
China Construction Eighth Bureau Rail Transit Construction Co., Ltd.
Jiangsu Sheng, China
Patent: 114
China Railway 12th Bureau Group Co., Ltd.
Shanxi Sheng, China
Patent: 100
Shanghai Tunnel Industrial Co., Ltd.
Shanghai Shi, China
Patent: 100
With the analysis among related 7,843 patents in last 5 years, we discover 289 new entrants. China Construction Eighth Bureau Rail Transit Construction Co., Ltd., Jinan Heavy Industry Group Co., Ltd., China Communications First Public Bureau Group Co., Ltd. are the most active new entrants in this area.
China Construction Eighth Bureau Rail Transit Construction Co., Ltd.
Jiangsu Sheng, China
Patent: 114
Jinan Heavy Industry Group Co., Ltd.
Shandong Sheng, China
Patent: 49
China Communications First Public Bureau Group Co., Ltd.
Beijing Shi, China
Patent: 37
China Railway Engineering Equipment Group (Tianjin) Co., Ltd.
Tianjin Shi, China
Patent: 34
China Railway 15th Bureau Group Urban Rail Transit Engineering Co., Ltd.
Guangdong Sheng, China
Patent: 31
China Railway No. 5 Engineering Group Co., Ltd.
Guizhou Sheng, China
Patent: 31
Jiangsu Zhongya Heavy Industries Co.,Ltd.
Jiangsu Sheng, China
Patent: 31
Tengda Construction Group Co., Ltd.
Zhejiang Sheng, China
Patent: 30
Wuxi China Railway Urban Rail Equipment Co., Ltd.
Jiangsu Sheng, China
Patent: 29
Tianjin Hongxuanda Technology Co., Ltd.
Tianjin Shi, China
Patent: 27
With the analysis among 1,959 patents, we discovered top 157 universities and scientific research institutions by total patent application. Southwest Jiaotong University, Tongji University, Central South University are dominant in this area. They take 19.19% of the total patent filing.
Southwest Jiaotong University
Sichuan Sheng, China
Patent: 163
Shanghai Shi, China
Patent: 111
Hunan Sheng, China
Patent: 99
Tianjin Shi, China
Patent: 64
Shandong Sheng, China
Patent: 63
Zhejiang University City College
Zhejiang Sheng, China
Patent: 59
Beijing Jiaotong University
Beijing Shi, China
Patent: 51
East China Jiaotong University
Jiangxi Sheng, China
Patent: 47
Jiangsu Sheng, China
Patent: 33
Huazhong University of Science & Technology
Hubei Sheng, China
Patent: 32