With the analysis among 30 patents, we discovered top 14 key players by total patent application. Construcciones y Auxiliar de Ferrocarriles SA, Bombardier, Inc., East Japan Railway Co. are dominant in this area. They take 60.00% of the total patent filing.
Zhejiang Sheng, China
Patent: 3
Aichi-ken, Japan
Patent: 1
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With the analysis among related 3 patents applied in the last 5 years. We discover 2 most active companies in this area.
Jiangxi Sheng, China
Patent: 1
Shaanxi Sheng, China
Patent: 1
With the analysis among related 3 patents in last 5 years, we discover 2 new entrants.
Jiangxi Sheng, China
Patent: 1
Shaanxi Sheng, China
Patent: 1
With the analysis among 8 patents, we discovered top 2 universities and scientific research institutions by total patent application.
Jiangxi Sheng, China
Patent: 1
Shaanxi Sheng, China
Patent: 1