How many patents does
Hitachi Industrial Equipment Systems Company have?
patents
3,964
families
1,279
granted
1,136
applications
2,828
JP
1,584
CN
772
US
521
EP
459
WO
278
KR
66
RoW
284
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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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Hitachi Industrial Equipment Systems Company
Top ten assignees appearing on patents
2009
Hitachi Industrial Equipment Systems Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| wound iron core for static apparatus, amorphous transformer and coil winding frame for t… 🛈 | 21 | 2008 |
| operating device or vacuum switch | 16 | 2012 |
| amorphous transformer for electric power supply | 16 | 2006 |
| switchgear and method for operating switchgear | 16 | 2009 |
| ink jet recording device | 16 | 2008 |
| gas-liquid separator and inkjet recording apparatus using the same | 16 | 2012 |
| liquid container coupled to a refill container and ink-jet recording apparatus having sa… 🛈 | 16 | 2013 |
| power transducer | 16 | 2008 |
| switch | 15 | 2012 |
| power converter device | 15 | 2009 |