How many patents does
Okuma Corporation have?
patents
1,465
families
497
granted
455
applications
1,010
JP
575
US
316
CN
232
EP
8
KR
6
WO
2
RoW
326
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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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Okuma Corporation
Top ten assignees appearing on patents
Okuma Corporation
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| position control apparatus | 10 | 2008 |
| cutting method and cutting apparatus | 10 | 2008 |
| machine tool | 10 | 2014 |
| stator and resolver | 9 | 2011 |
| positionssteuerungsvorrichtung | 9 | 2007 |
| bearing state diagnostic apparatus | 9 | 2007 |
| tailstock control device | 9 | 2008 |
| collision preventing device incorporated in numerical control apparatus | 9 | 2008 |
| linear motor | 9 | 2009 |
| control apparatus for reluctance type synchronous motor | 9 | 2007 |