With the analysis among 1,130 patents, we discovered top 258 key players by total patent application. Westinghouse Brake & Signal Co. Ltd., Siemens AG, STC Plc are dominant in this area. They take 26.55% of the total patent filing.
Bayern, Germany
Patent: 91
Telefonaktiebolaget LM Ericsson
Liaoning Sheng, China
Patent: 14
Connecticut, United States
Patent: 11
BERKSHIRE, United Kingdom
Patent: 10
Nordrhein-Westfalen, Germany
Patent: 10
No data, please try another search term
With the analysis among related 56 patents applied in the last 5 years. We discover 31 most active companies in this area. The fast-growing Lanzhou Jiaotong University, Nanjing Institute of Railway Technology, Shanghai Tiexin Electric Technology Co., Ltd. take 21.43% of patent filing during this period.
Gansu Sheng, China
Patent: 5
Nanjing Institute of Railway Technology
Shanghai Tiexin Electric Technology Co., Ltd.
Shanghai Shi, China
Patent: 2
Zhejiang Sheng, China
Patent: 2
Guangdong Sheng, China
Patent: 2
Tianjin Shi, China
Patent: 2
Jiangsu Sheng, China
Patent: 2
Jiangsu Sheng, China
Patent: 2
Jiangsu Sheng, China
Patent: 2
With the analysis among related 56 patents in last 5 years, we discover 21 new entrants. Lanzhou Jiaotong University, Nanjing Institute of Railway Technology, Shanghai Tiexin Electric Technology Co., Ltd. are the most active new entrants in this area.
Gansu Sheng, China
Patent: 5
Nanjing Institute of Railway Technology
Shanghai Tiexin Electric Technology Co., Ltd.
Shanghai Shi, China
Patent: 2
Zhejiang Sheng, China
Patent: 2
Tianjin Shi, China
Patent: 2
Heilongjiang Sheng, China
Patent: 1
Tianjin Shi, China
Patent: 1
Beijing Headwell Technology Co., Ltd.
Beijing Shi, China
Patent: 1
With the analysis among 59 patents, we discovered top 8 universities and scientific research institutions by total patent application. Lanzhou Jiaotong University, Railway Technical Research Institute, Tashkent Institute of Railway Engineering are dominant in this area. They take 23.73% of the total patent filing.
Gansu Sheng, China
Patent: 5
Shanghai Shi, China
Patent: 2
Shaanxi Sheng, China
Patent: 1
Sichuan Sheng, China
Patent: 1
Anhui Sheng, China
Patent: 1
Liaoning Sheng, China
Patent: 1