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.
Henan Sheng, China
Patent: 488
Guangdong Sheng, China
Patent: 225
Hunan Sheng, China
Patent: 196
Sichuan Sheng, China
Patent: 176
Hubei Sheng, China
Patent: 138
Jiangsu Sheng, China
Patent: 136
Shanghai Shi, China
Patent: 133
Shanxi Sheng, China
Patent: 114
Jiangsu Sheng, China
Patent: 114
Shanxi Sheng, China
Patent: 100
With the analysis among 1 patents, we discovered top 1 start-ups by total patent application.
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.
Henan Sheng, China
Patent: 411
Guangdong Sheng, China
Patent: 203
Sichuan Sheng, China
Patent: 174
Hunan Sheng, China
Patent: 148
Sichuan Sheng, China
Patent: 145
Hubei Sheng, China
Patent: 125
Jiangsu Sheng, China
Patent: 125
Jiangsu Sheng, China
Patent: 114
Shanxi Sheng, China
Patent: 100
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.
Jiangsu Sheng, China
Patent: 114
Shandong Sheng, China
Patent: 49
Beijing Shi, China
Patent: 37
Tianjin Shi, China
Patent: 34
Guangdong Sheng, China
Patent: 31
China Railway No. 5 Engineering Group Co., Ltd.
Guizhou Sheng, China
Patent: 31
Jiangsu Sheng, China
Patent: 31
Zhejiang Sheng, China
Patent: 30
Jiangsu Sheng, China
Patent: 29
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.
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 Sheng, China
Patent: 59
Beijing Shi, China
Patent: 51
Jiangxi Sheng, China
Patent: 47
Jiangsu Sheng, China
Patent: 33
Hubei Sheng, China
Patent: 32