How many patents does
Optical Logic have?
patents
341
families
68
granted
113
applications
228
US
175
JP
92
CN
62
WO
12
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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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Optical Logic
Top ten assignees appearing on patents
2009 - 2018
| optical logic | 257 |
| kantatsu company | 231 |
| kangtatsu company | 4 |
| optic logic company | 2 |
| kang dazhi company | 1 |
| optics logic | 1 |
| kandachi k. k. | 1 |
2009
| kantatsu company | 3 |
| optical logic | 3 |
2018
| optical logic | 30 |
| kantatsu company | 30 |
Optical Logic
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| imaging lens | 20 | 2014 |
| imaging lens | 15 | 2012 |
| imaging lens | 14 | 2011 |
| imaging lens | 11 | 2012 |
| imaging lens | 11 | 2011 |
| imaging lens | 10 | 2014 |
| imaging lens | 10 | 2014 |
| imaging lens | 9 | 2012 |
| imaging lens | 9 | 2014 |
| imaging lens | 8 | 2014 |