With the analysis among 1,487 patents, we discovered top 467 key players by total patent application. Siemens AG, Casco Signal Co. Ltd., Shenyang Railway Signal Factory are dominant in this area. They take 8.74% of the total patent filing.
Bayern, Germany
Patent: 48
Liaoning Sheng, China
Patent: 40
Tokyo-to, Japan
Patent: 25
Beijing Shi, China
Patent: 25
Beijing Shi, China
Patent: 24
Hebei Sheng, China
Patent: 22
With the analysis among 3 patents, we discovered top 1 start-ups by total patent application.
With the analysis among related 980 patents applied in the last 5 years. We discover 333 most active companies in this area. The fast-growing Shenyang Railway Signal Factory, Casco Signal Co. Ltd., Casco Signal (Beijing) Co., Ltd. take 8.78% of patent filing during this period.
Liaoning Sheng, China
Patent: 39
Beijing Shi, China
Patent: 20
Hebei Sheng, China
Patent: 20
Beijing Shi, China
Patent: 20
Shaanxi Sheng, China
Patent: 18
Beijing Shi, China
Patent: 17
Gansu Sheng, China
Patent: 15
Tianjin Shi, China
Patent: 14
Guangxi Zhuangzu Zizhiqu, China
Patent: 14
With the analysis among related 980 patents in last 5 years, we discover 265 new entrants. Casco Signal (Beijing) Co., Ltd., Tianjin Railway Signal Factory, Zhengzhou Railway Vocational & Technical College are the most active new entrants in this area.
Beijing Shi, China
Patent: 20
Tianjin Shi, China
Patent: 14
Zhengzhou Railway Vocational & Technical College
Henan Sheng, China
Patent: 11
Hebei Sheng, China
Patent: 9
Beijing Shi, China
Patent: 9
Shanxi Sheng, China
Patent: 9
Tianjin Shi, China
Patent: 9
Guangdong Sheng, China
Patent: 8
Henan Sheng, China
Patent: 8
Jiangsu Sheng, China
Patent: 8
With the analysis among 227 patents, we discovered top 24 universities and scientific research institutions by total patent application. Lanzhou Jiaotong University, Railway Technical Research Institute, Zhengzhou Railway Vocational & Technical College are dominant in this area. They take 26.43% of the total patent filing.
Gansu Sheng, China
Patent: 18
Zhengzhou Railway Vocational & Technical College
Henan Sheng, China
Patent: 11
Sichuan Sheng, China
Patent: 6
Beijing Shi, China
Patent: 3
Anhui Sheng, China
Patent: 3
Hunan Sheng, China
Patent: 2
Hebei Sheng, China
Patent: 2
Shaanxi Sheng, China
Patent: 2
Shanghai Shi, China
Patent: 1