How many patents does
Doosan Corporation have?
patents
1,466
families
624
granted
291
applications
1,175
KR
784
WO
378
US
106
CN
84
EP
72
JP
35
RoW
7
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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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the following tables are just extracts from the report
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Doosan Corporation
Top ten assignees appearing on patents
2009 - 2018
2018
| doosan corporation | 34 |
Doosan Corporation
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| organic electroluminescent element | 24 | 2014 |
| automatic stopping device for forklift | 10 | 2012 |
| motor control method and control device for electrical forklift truck | 10 | 2007 |
| method for surface-treating copper foil and copper foil surface-treated thereby | 10 | 2012 |
| fuel injector for diesel particulate filter | 10 | 2012 |
| safety device for preventing working-apparatus operation during regeneration of forklift… 🛈 | 9 | 2012 |
| energy recovery system for an electromotive forklift truck | 9 | 2010 |
| novel compound and organic electroluminescence device comprising same | 9 | 2012 |
| device for controlling rising velocity of actuator in heavy equipment | 9 | 2010 |
| oil-pressure control system | 9 | 2012 |