How many patents does
Kotobuki have?
patents
328
families
110
granted
96
applications
232
JP
83
US
54
EP
53
CN
35
KR
25
WO
23
RoW
55
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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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42 million
patent families
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Kotobuki
Top ten assignees appearing on patents
Kotobuki
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| centrifugal dehydration method and centrifugal dehydration device | 13 | 2011 |
| ink composition for oil-based ballpoint pen | 11 | 2010 |
| liquid applying tool | 11 | 2013 |
| lead cartridge and mechanical pencil with built-in lead cartridge | 10 | 2007 |
| liquid supply device | 10 | 2008 |
| needle thread passing device | 10 | 2008 |
| knock-type feeding container | 9 | 2010 |
| needle threading device and operation unit therefor | 9 | 2011 |
| knock type writing instrument | 8 | 2008 |
| liquid applicator | 8 | 2007 |