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 |
---|---|---|
shutter curtain lifting prevention structure in shutter device | 3 | 2003 |
waterproof door | 3 | 2014 |
waterproof door | 3 | 2013 |
shutter with mechanical stopping device for evacuation | 2 | 2013 |
shutter controller | 2 | 2012 |
fireproof construction of window shutter | 2 | 2012 |
brake release mechanism of shutter opening/closing machine | 2 | 2011 |
gravitational lowering control system for fireproof and smokeproof shutter | 2 | 2011 |
business support system | 2 | 2011 |
crime prevention device of top-railed sliding door | 2 | 2011 |