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 |
---|---|---|
operating handle device | 7 | 2016 |
karaoke music selection system using personal portable terminal | 3 | 2011 |
method and device for detecting food bacteria using electric impedance | 2 | 2012 |
music selection reservation system in single use karaoke performance device | 2 | 2012 |
door opening/closing alarm system in karaoke performance device used by single person | 2 | 2012 |
karaoke performance mode setting system | 2 | 2012 |
collaboration singing video recording system | 2 | 2012 |
karaoke log-in system using personal portable terminal | 2 | 2012 |
karaoke log-in system using personal portable terminal | 2 | 2012 |
still display instruction timing evaluation system of karaoke background video | 2 | 2012 |