How many patents does
Meidensha Corporation have?
patents
3,152
families
1,336
granted
729
applications
2,423
JP
1,631
WO
314
US
311
CN
307
EP
201
KR
139
GB
16
RoW
233
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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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the following tables are just extracts from the report
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Meidensha Corporation
Top ten assignees appearing on patents
2009 - 2018
2009
Meidensha Corporation
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| membrane unit and membrane separation device | 18 | 2010 |
| vehicle-mounted power conversion device | 16 | 2013 |
| membrane module, membrane unit, and membrane separation device | 16 | 2009 |
| vehicle restraining device | 15 | 2013 |
| multilevel power conversion device | 15 | 2013 |
| multilevel power convertor | 14 | 2013 |
| method for producing electrode material for vacuum circuit breaker, electrode material f… 🛈 | 14 | 2010 |
| chemical injection control method and chemical injection controller | 14 | 2011 |
| trolley wire abrasion measuring apparatus using image process | 13 | 2011 |
| rotor of permanent magnet motor | 12 | 2012 |