How many patents does
Korea Railroad Research Institute have?
patents
340
families
82
granted
96
applications
244
KR
89
WO
79
US
60
EP
56
CN
36
JP
12
RoW
8
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The report contains ten-year analysis with the following sections
- patent filing analysis
- worldwide filing analysis
- patent family analysis
- application analysis
- granted analysis
- classification analysis
- citation analysis
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Korea Railroad Research Institute
Top ten assignees appearing on patents
Korea Railroad Research Institute
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| cartridge for tunnel blasting | 10 | 2013 |
| 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 |
| transformer for resonant power converter using winding method for reducing leakage flux | 7 | 2014 |
| collapsible container and apparatus for opening and closing same | 7 | 2015 |
| active steering bogie for railway vehicles using leverage | 7 | 2007 |
| container binding device | 7 | 2015 |
| two-phase two-column linear pulse motor propulsion system | 7 | 2012 |
| rail tie having embedded automatic differential settlement compensation apparatus using … 🛈 | 7 | 2014 |