How many patents does
Fdk Corporation have?
patents
961
families
419
granted
186
applications
775
JP
479
US
154
EP
97
WO
86
CN
81
KR
20
GB
2
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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the following tables are just extracts from the report
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Fdk Corporation
Top ten assignees appearing on patents
2009 - 2018
2009
| fdk corporation | 79 |
| bonmaaku | 1 |
| fdk energy company | 1 |
Fdk Corporation
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| ptc device and secondary battery having same | 14 | 2010 |
| positive electrode lead and alkaline secondary battery | 11 | 2012 |
| alkaline storage cell | 11 | 2012 |
| hydrogen storage multi-phase alloys | 10 | 2014 |
| non-reciprocal circuit element | 10 | 2011 |
| nickel hydrogen rechargeable battery | 9 | 2011 |
| balance correction device and electricity storage device | 9 | 2013 |
| alkaline niobate piezoelectric material and production method for alkaline niobate piezo… 🛈 | 9 | 2011 |
| power supply apparatus | 9 | 2013 |
| spacer for batteries | 9 | 2015 |