How many patents does
Hitachi Mito Engineering Company have?
patents
488
families
186
granted
151
applications
337
CN
194
JP
167
EP
28
US
6
WO
4
GB
3
KR
2
RoW
84
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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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patent families
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Hitachi Mito Engineering Company
Top ten assignees appearing on patents
Hitachi Mito Engineering Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| elevator group supervisory control system | 14 | 2005 |
| dc power supply | 9 | 2011 |
| battery equipment of railway vehicle and railway vehicle | 9 | 2008 |
| power conversion system | 7 | 2012 |
| dc power supply | 7 | 2013 |
| dc power supply | 7 | 2013 |
| vehicle information control device with load management function | 6 | 2012 |
| electromagnetic brake release device for elevators | 6 | 2012 |
| power conversion equipment | 6 | 2012 |
| passenger conveyor equipment | 5 | 2013 |