How many patents does
Asia Optical Company have?
patents
2,189
families
1,152
granted
911
applications
1,278
CN
616
US
549
JP
35
EP
5
RoW
984
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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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12,000+
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patent families
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Asia Optical Company
Top ten assignees appearing on patents
Asia Optical Company
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 |
| micro-projection lens | 7 | 2010 |
| light guide with region between light rod and lens | 7 | 2011 |
| bidirectional projector | 6 | 2011 |
| zoom lens and cam frame thereof | 6 | 2013 |
| zoom lens | 6 | 2011 |
| zoom lens | 6 | 2012 |
| sights and methods of operation thereof | 6 | 2012 |
| projection lens | 6 | 2011 |