How many patents does
Kantatsu Company have?
patents
763
families
165
granted
238
applications
525
US
351
JP
231
CN
152
WO
21
KR
1
EP
1
RoW
6
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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+
patents
42 million
patent families
23 million
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the following tables are just extracts from the report
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Kantatsu Company
Top ten assignees appearing on patents
2009 - 2018
| kantatsu company | 636 |
| optical logic | 236 |
| kangtatsu company | 4 |
| optic logic company | 2 |
| kang dazhi company | 1 |
| optics logic | 1 |
| kandachi k. k. | 1 |
| sharp corporation | 1 |
| sanshin corporation | 1 |
| siscom engineering | 1 |
2009
| kantatsu company | 13 |
| optical logic | 3 |
2018
| kantatsu company | 65 |
| optical logic | 30 |
Kantatsu Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| imaging lens | 20 | 2014 |
| image pickup lens for solid-state image pickup element | 19 | 2009 |
| imaging lens | 15 | 2012 |
| imaging lens | 15 | 2013 |
| imaging lens | 14 | 2011 |
| imaging lens | 14 | 2013 |
| imaging lens | 12 | 2013 |
| imaging lens | 12 | 2012 |
| imaging lens | 11 | 2012 |
| imaging lens | 11 | 2011 |