How many patents does
Hitachi Appliances have?
patents
6,218
families
3,324
granted
1,393
applications
4,825
JP
3,821
CN
1,294
KR
260
EP
151
US
132
WO
107
RoW
453
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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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Hitachi Appliances
Top ten assignees appearing on patents
2009 - 2018
2009
Hitachi Appliances
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| screw compressor and chiller unit provided with same | 22 | 2012 |
| washing machine | 14 | 2011 |
| refrigerant compressor and refrigeration cycle device | 11 | 2012 |
| air conditioner | 11 | 2012 |
| screw compressor | 11 | 2014 |
| machine management device | 11 | 2012 |
| refrigerator | 10 | 2008 |
| power monitoring device and power monitoring system | 10 | 2012 |
| vacuum cleaner | 10 | 2009 |
| converter, motor driving module, and refrigerating apparatus | 10 | 2010 |