How many patents does
Sintai Optical have?
patents
799
families
338
granted
264
applications
535
US
235
CN
156
JP
24
EP
10
RoW
374
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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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Sintai Optical
Top ten assignees appearing on patents
2009
| asia optical company | 1 |
Sintai Optical
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 |
| wide-angle lens | 8 | 2014 |
| zoom lens | 6 | 2012 |
| zoom lens | 6 | 2013 |
| zoom lens | 6 | 2013 |
| slim lens assembly | 6 | 2012 |
| zoom lens | 6 | 2013 |
| zoom lens and cam frame thereof | 6 | 2013 |
| sights and methods of operation thereof | 6 | 2012 |