The report contains ten-year analysis with the following sections
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Title of patent family (most common patent title) |
Family members |
Filing year |
---|---|---|
train control device | 19 | 2012 |
train control system | 18 | 2011 |
wireless communication network system | 17 | 2011 |
train control system | 17 | 2011 |
train control system | 16 | 2011 |
wireless communication network system synchronization method | 16 | 2011 |
on-vehicle device for train control system | 16 | 2011 |
train control system | 15 | 2011 |
train control apparatus | 14 | 2012 |
train guide broadcast system | 14 | 2011 |