With the analysis among 3,819 patents, we discovered top 472 key players by total patent application. China Railway Siyuan Survey & Design Group Co., Ltd., Guangzhou Metro Design & Research Institute Co., Ltd., China Railway Liuyuan Group Co., Ltd. are dominant in this area. They take 10.40% of the total patent filing.
Hubei Sheng, China
Patent: 160
Guangdong Sheng, China
Patent: 158
Tianjin Shi, China
Patent: 79
Shanxi Sheng, China
Patent: 67
Shaanxi Sheng, China
Patent: 58
Shanxi Sheng, China
Patent: 57
Tianjin Shi, China
Patent: 56
Shaanxi Sheng, China
Patent: 49
Anhui Sheng, China
Patent: 46
Beijing Shi, China
Patent: 44
With the analysis among 7 patents, we discovered top 4 start-ups by total patent application. Beijing Baidu Netcom Science & Technology Co., Ltd., Beijing Minglue Software System Ltd., Shandong Jiantou Keji are active in this area.
Beijing Shi, China
Patent: 4
Beijing Shi, China
Patent: 1
Shandong Sheng, China
Patent: 1
With the analysis among related 3,520 patents applied in the last 5 years. We discover 500 most active companies in this area. The fast-growing China Railway Siyuan Survey & Design Group Co., Ltd., Guangzhou Metro Design & Research Institute Co., Ltd., China Railway Liuyuan Group Co., Ltd. take 8.75% of patent filing during this period.
Hubei Sheng, China
Patent: 128
Guangdong Sheng, China
Patent: 123
Tianjin Shi, China
Patent: 57
Shanxi Sheng, China
Patent: 52
Shaanxi Sheng, China
Patent: 44
Anhui Sheng, China
Patent: 43
Tianjin Shi, China
Patent: 43
Shanxi Sheng, China
Patent: 41
Shaanxi Sheng, China
Patent: 39
Tianjin Shi, China
Patent: 30
With the analysis among related 3,520 patents in last 5 years, we discover 328 new entrants. China Railway No. 5 Engineering Group Co., Ltd., Shanghai University of Engineering Science, CCCC Railway Construction Co., Ltd. are the most active new entrants in this area.
China Railway No. 5 Engineering Group Co., Ltd.
Guizhou Sheng, China
Patent: 30
Shanghai Shi, China
Patent: 26
Shaanxi Sheng, China
Patent: 21
Jiangsu Sheng, China
Patent: 18
Sichuan Sheng, China
Patent: 17
Guangdong Sheng, China
Patent: 16
Yunnan Sheng, China
Patent: 15
Shandong Sheng, China
Patent: 14
Shandong Sheng, China
Patent: 14
Guangdong Sheng, China
Patent: 14
With the analysis among 929 patents, we discovered top 167 universities and scientific research institutions by total patent application. Beijing Jiaotong University, Southeast University, Beijing University of Technology are dominant in this area. They take 10.33% of the total patent filing.
Beijing Shi, China
Patent: 33
Jiangsu Sheng, China
Patent: 33
Beijing Shi, China
Patent: 30
Sichuan Sheng, China
Patent: 27
Shanghai Shi, China
Patent: 26
Beijing Shi, China
Patent: 25
Guangdong Sheng, China
Patent: 16
Shaanxi Sheng, China
Patent: 14
Tianjin Shi, China
Patent: 13
Shandong Sheng, China
Patent: 12