How many patents does
Asia Optical International have?
patents
451
families
118
granted
175
applications
276
US
211
CN
51
JP
14
EP
3
RoW
172
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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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Asia Optical International
Top ten assignees appearing on patents
2009
| asia optical company | 1 |
Asia Optical International
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| method of reading image and image reading device | 9 | 2010 |
| laser range finding device and distance measurement method thereof | 8 | 2007 |
| zoom lens and cam frame thereof | 6 | 2013 |
| headphone | 6 | 2016 |
| headphone | 6 | 2016 |
| zoom lens | 6 | 2013 |
| zoom lens | 6 | 2011 |
| zoom lens | 6 | 2013 |
| projection lens | 6 | 2011 |
| zoom lens | 6 | 2013 |