With the analysis among 2,580 patents, we discovered top 480 key players by total patent application. Siemens AG, Single Buoy Moorings, Inc., China Railway First Survey & Design Institute Group Co., Ltd. are dominant in this area. They take 5.04% of the total patent filing.
Bayern, Germany
Patent: 66
Shaanxi Sheng, China
Patent: 29
Jiangsu Sheng, China
Patent: 29
Tianjin Shi, China
Patent: 29
Texas, United States
Patent: 28
Tokyo-to, Japan
Patent: 25
Beijing Shi, China
Patent: 25
With the analysis among 5 patents, we discovered top 2 start-ups by total patent application.
DURHAM COUNTY, United Kingdom
Patent: 4
With the analysis among related 1,024 patents applied in the last 5 years. We discover 500 most active companies in this area. The fast-growing Southwest Jiaotong University, China Railway Electrification Survey, Design and Research Institute Co., Ltd., China Railway Construction Electrification Bureau Group Rail Transit Equipment Co., Ltd. take 9.67% of patent filing during this period.
Sichuan Sheng, China
Patent: 56
Tianjin Shi, China
Patent: 26
Jiangsu Sheng, China
Patent: 17
Gansu Sheng, China
Patent: 16
Shanxi Sheng, China
Patent: 16
Beijing Shi, China
Patent: 15
Tianjin Shi, China
Patent: 15
Hubei Sheng, China
Patent: 12
Hebei Sheng, China
Patent: 12
With the analysis among related 1,024 patents in last 5 years, we discover 384 new entrants. Lanzhou Xinwei Vehicle Equipment Co., Ltd., Shanghai University of Engineering Science, CNOOC China Ltd. are the most active new entrants in this area.
Gansu Sheng, China
Patent: 16
Shanghai Shi, China
Patent: 8
Tianjin Shi, China
Patent: 8
Shaanxi Sheng, China
Patent: 7
Hebei Sheng, China
Patent: 6
SOMERSET, United Kingdom
Patent: 6
Zhejiang Sheng, China
Patent: 5
Shanxi Sheng, China
Patent: 5
Jiangsu Sheng, China
Patent: 5
Guangdong Sheng, China
Patent: 4
With the analysis among 447 patents, we discovered top 89 universities and scientific research institutions by total patent application. Southwest Jiaotong University, Beijing Jiaotong University, Railway Technical Research Institute are dominant in this area. They take 31.99% of the total patent filing.
Sichuan Sheng, China
Patent: 92
Beijing Shi, China
Patent: 10
Shanghai Shi, China
Patent: 8
Jiangxi Sheng, China
Patent: 8
Shanghai Shi, China
Patent: 6
Tianjin Shi, China
Patent: 6
Hunan Sheng, China
Patent: 5
Zhejiang Sheng, China
Patent: 5