How many patents does
Nippon Densan Corporation have?
patents
1,723
families
454
granted
476
applications
1,247
JP
556
CN
513
US
475
KR
60
WO
41
EP
36
RoW
42
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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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patents
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patent families
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read summary of their published patent
the following tables are just extracts from the report
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Nippon Densan Corporation
Top ten assignees appearing on patents
2009 - 2018
2018
| nidec corporation | 11 |
Nippon Densan Corporation
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| spindle motor and storage disk drive | 38 | 2010 |
| motor and disk drive apparatus | 24 | 2011 |
| spindle motor, and disk drive apparatus including the spindle motor | 22 | 2010 |
| motor and disk drive apparatus | 18 | 2011 |
| spindle motor and storage disk drive apparatus | 16 | 2008 |
| bearing apparatus, spindle motor, and disk drive apparatus | 15 | 2009 |
| stator and motor | 13 | 2010 |
| spindle motor and disk drive apparatus | 12 | 2009 |
| rotor unit, rotating electrical machine, and method of manufacturing rotor unit | 12 | 2011 |
| rotor core, motor, and method for manufacturing motor | 12 | 2012 |