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 |
---|---|---|
structure for reducing tunnel micro pressure wave including air pipe | 10 | 2013 |
heavy concrete composition using slag by-products | 10 | 2009 |
orientation control device for magnetic fluid and method for same | 9 | 2012 |
two-phase two-column linear pulse motor propulsion system | 7 | 2012 |
collapsible container and apparatus for opening and closing same | 7 | 2015 |
intelligent train scheduling method | 7 | 2014 |
active steering bogie for railway vehicles using leverage | 7 | 2007 |
transformer for resonant power converter using winding method for reducing leakage flux | 7 | 2014 |
container binding device | 7 | 2015 |
rail tie having embedded automatic differential settlement compensation apparatus using … 🛈 | 7 | 2014 |