How many patents does
Hitachi Construction Machinery Company have?
patents
8,785
families
2,738
granted
2,267
applications
6,518
JP
3,009
EP
1,464
US
1,340
CN
1,151
KR
720
WO
663
RoW
438
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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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Hitachi Construction Machinery Company
Top ten assignees appearing on patents
Hitachi Construction Machinery Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| truck frame for construction machinery | 14 | 2011 |
| electric construction machine | 14 | 2012 |
| dump truck tip-over safety device | 14 | 2009 |
| work machine | 14 | 2011 |
| exhaust purification system for work vehicle | 13 | 2007 |
| electric work vehicle | 13 | 2010 |
| industrial use automobile | 13 | 2011 |
| device for detecting abnormality in construction machine | 12 | 2009 |
| construction machine | 12 | 2013 |
| construction machine having rotary element | 12 | 2010 |