The report contains ten-year analysis with the following sections
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qisda corporation | 1 |
Title of patent family (most common patent title) |
Family members |
Filing year |
---|---|---|
projection device | 7 | 2015 |
projector and color wheel module thereof | 4 | 2014 |
color wheel fixing assembly | 4 | 2015 |
color wheel and projection system using same | 4 | 2015 |
printing device and ink cartridge thereof | 4 | 2012 |
projection system and control method thereof | 3 | 2013 |
projection lens and projection device | 3 | 2015 |
detection method and detection device for gray-scale pictures | 3 | 2014 |
color wheel switching structure and projection system with color wheel switching structu… 🛈 | 3 | 2014 |
projector | 3 | 2014 |