How many patents does
Doowon Electronics Company have?
patents
504
families
260
granted
92
applications
412
KR
292
WO
115
US
37
CN
33
EP
8
RoW
19
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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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Doowon Electronics Company
Top ten assignees appearing on patents
2009 - 2018
| doowon electronics company | 448 |
| obrist engineering | 11 |
| doowon climate control company | 2 |
| doowon electric company | 2 |
2009
| doowon electronics company | 48 |
| obrist engineering | 5 |
2018
| doowon electronics company | 2 |
Doowon Electronics Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| variable displacement swash plate type compressor | 9 | 2007 |
| scroll compressor with improved back pressure control function | 9 | 2008 |
| oil separating structure of variable displacement compressor | 7 | 2006 |
| inverter type scroll compressor | 7 | 2008 |
| compressor | 7 | 2008 |
| exhaust check valve of swash plate compressor | 7 | 2008 |
| displacement control valve for a variable displacement compressor | 7 | 2008 |
| variable displacement swash plate type compressor with smooth inclined moving feature | 6 | 2004 |
| displacement control valve for variable displacement compressor | 6 | 2009 |
| variable displacement swash plate type compressor | 6 | 2007 |