With the analysis among 628 patents, we discovered top 399 key players by total patent application. Westinghouse Air Brake Co., General Signal Corp., Sasib SpA are dominant in this area. They take 7.64% of the total patent filing.
Pennsylvania, United States
Patent: 20
Connecticut, United States
Patent: 19
Emilia-Romagna, Italy
Patent: 9
Sichuan Sheng, China
Patent: 8
Texas, United States
Patent: 7
Jiangsu Sheng, China
Patent: 7
Nordrhein-Westfalen, Germany
Patent: 6
Gyeongsangbuk-do, South Korea
Patent: 6
With the analysis among 3 patents, we discovered top 3 start-ups by total patent application.
California, United States
Patent: 1
AALAN CONTROL TECHNOLOGY PRIVATE LIMITED
Tamil Nadu, India
Patent: 1
With the analysis among related 258 patents applied in the last 5 years. We discover 214 most active companies in this area. The fast-growing Central South University, Jingmen Sian Machinery Equipment Co., Ltd., Sinohydro Bureau 14 Co., Ltd. take 3.49% of patent filing during this period.
Hunan Sheng, China
Patent: 3
Hubei Sheng, China
Patent: 3
Yunnan Sheng, China
Patent: 3
Jiangsu Sheng, China
Patent: 3
Beijing Shi, China
Patent: 2
Hebei Sheng, China
Patent: 2
Shaanxi Sheng, China
Patent: 2
Henan Sheng, China
Patent: 2
Kunshan Shangsheng Hazardous Waste Professional Transportation Co., Ltd
Jiangsu Sheng, China
Patent: 2
Sichuan Sheng, China
Patent: 2
With the analysis among related 258 patents in last 5 years, we discover 204 new entrants. Central South University, Jingmen Sian Machinery Equipment Co., Ltd., Sinohydro Bureau 14 Co., Ltd. are the most active new entrants in this area.
Hunan Sheng, China
Patent: 3
Hubei Sheng, China
Patent: 3
Yunnan Sheng, China
Patent: 3
Beijing Shi, China
Patent: 2
Hebei Sheng, China
Patent: 2
Shaanxi Sheng, China
Patent: 2
Henan Sheng, China
Patent: 2
Kunshan Shangsheng Hazardous Waste Professional Transportation Co., Ltd
Jiangsu Sheng, China
Patent: 2
Tianjin Shi, China
Patent: 2
Guizhou Sheng, China
Patent: 2
With the analysis among 106 patents, we discovered top 44 universities and scientific research institutions by total patent application. Railway Technical Research Institute, Southwest Jiaotong University, Southeast University are dominant in this area. They take 28.30% of the total patent filing.
Sichuan Sheng, China
Patent: 5
Jiangsu Sheng, China
Patent: 5
Louisiana, United States
Patent: 3
Hunan Sheng, China
Patent: 3
Beijing Shi, China
Patent: 2
Jilin Sheng, China
Patent: 2
Zhejiang Sheng, China
Patent: 2
Shaanxi Sheng, China
Patent: 2