How many patents does
Nec Energy Devices have?
patents
1,321
families
300
granted
326
applications
995
JP
403
US
261
CN
224
EP
213
WO
184
KR
9
RoW
27
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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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Nec Energy Devices
Top ten assignees appearing on patents
2009
| nec tokin corporation | 13 |
| nissan motor company | 2 |
| nec corporation | 1 |
2018
| nec energy devices | 68 |
| nec corporation | 5 |
| nec platforms | 1 |
| nec engineering | 1 |
Nec Energy Devices
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| battery pack | 15 | 2011 |
| manufacturing method and manufacturing apparatus for film-covered electrical device | 12 | 2008 |
| nonaqueous electrolyte solution, and lithium ion secondary battery using same | 12 | 2010 |
| method for production of stacked battery | 12 | 2006 |
| battery pack and electric bicycle | 11 | 2011 |
| energy storage system and rechargeable battery control method | 11 | 2011 |
| lithium ion secondary battery and method for manufacturing same | 11 | 2012 |
| secondary battery pack and authentication method | 11 | 2012 |
| positive electrode active material for secondary battery and secondary battery using the… 🛈 | 11 | 2010 |
| film pack battery | 11 | 2012 |