How many patents does
Ngk Spark Plug Company have?
patents
10,837
families
3,242
granted
3,171
applications
7,666
JP
3,787
US
2,146
EP
1,701
CN
1,121
KR
578
WO
487
GB
3
RoW
1,014
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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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Ngk Spark Plug Company
Top ten assignees appearing on patents
2009 - 2018
Ngk Spark Plug Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| spark plug for internal combustion engine | 52 | 2007 |
| ceramic substrate and production method therefor | 32 | 2015 |
| spark plug | 29 | 2012 |
| relay | 26 | 2010 |
| wiring substrate | 22 | 2012 |
| solid oxide fuel cell | 19 | 2011 |
| spark plug | 19 | 2013 |
| ignition timing control device and ignition timing control system | 17 | 2012 |
| spark plug | 17 | 2008 |
| spark plug | 17 | 2011 |