How many patents does
Ntn Corporation have?
patents
17,259
families
6,401
granted
3,600
applications
13,659
JP
6,703
US
2,740
EP
2,518
WO
2,317
CN
2,120
KR
185
RoW
676
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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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the following tables are just extracts from the report
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Ntn Corporation
Top ten assignees appearing on patents
2009 - 2018
Ntn Corporation
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| retainer for thrust roller bearing and method for producing said retainer | 27 | 2014 |
| roller bearing, cage segment, spacer, and main-shaft support structure for wind-driven g… 🛈 | 23 | 2006 |
| rolling member, rolling bearing and process for manufacturing rolling member | 20 | 2007 |
| rolling contact member and rolling bearing using the same | 20 | 2006 |
| roller bearing and main shaft support structure of wind-power generator | 18 | 2006 |
| braking device, and shielding device using same | 18 | 2015 |
| sintered bearing | 18 | 2012 |
| bearing device for wheel | 16 | 2007 |
| clutch unit | 16 | 2010 |
| bearing device for drive wheel | 16 | 2001 |