With the analysis among 277 patents, we discovered top 47 key players by total patent application. STC Plc, Westinghouse Brake & Signal Co. Ltd., Gec Plc are dominant in this area. They take 27.08% of the total patent filing.
Tennessee, United States
Patent: 13
New York, United States
Patent: 11
Bayern, Germany
Patent: 10
BERKSHIRE, United Kingdom
Patent: 5
With the analysis among 3 patents, we discovered top 1 start-ups by total patent application.
New York, United States
Patent: 3
With the analysis among related 3 patents applied in the last 5 years. We discover 3 most active companies in this area.
Zhejiang Sheng, China
Patent: 1
Jiangsu Sheng, China
Patent: 1
West-Vlaanderen, Belgium
Patent: 1
With the analysis among related 3 patents in last 5 years, we discover 3 new entrants.
Zhejiang Sheng, China
Patent: 1
Jiangsu Sheng, China
Patent: 1
West-Vlaanderen, Belgium
Patent: 1
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