How many patents does
Suzhou Qisda Optoelectronic Company have?
patents
498
families
318
granted
164
applications
334
CN
491
US
3
RoW
4
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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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Suzhou Qisda Optoelectronic Company
Top ten assignees appearing on patents
2009 - 2018
2018
| qisda corporation | 1 |
Suzhou Qisda Optoelectronic Company
The top ten patent families are
|
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 |