How many patents does
Kokusan Denki Company have?
patents
255
families
109
granted
83
applications
172
JP
89
CN
70
US
55
EP
24
WO
9
RoW
8
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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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Kokusan Denki Company
Top ten assignees appearing on patents
2009
| kokusan denki company | 34 |
| kishibata, kazuyoshi | 5 |
| toyota motor corporation | 1 |
| hitachi | 1 |
| nsk | 1 |
Kokusan Denki Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| internal combustion engine ignition device | 10 | 2013 |
| electric pump | 10 | 2012 |
| power supply unit control device for internal combustion engine driven vehicle and inter… 🛈 | 9 | 2011 |
| rotating electrical machine and method for manufacturing a stator thereof | 7 | 2010 |
| control device of rotating electrical machine | 7 | 2010 |
| resin-sealed semiconductor device and electronic device using such semiconductor device | 7 | 2006 |
| control device for internal combustion engine | 7 | 2011 |
| ignition control device for engine | 6 | 2010 |
| battery charging apparatus | 5 | 2008 |
| bicycle wheel hub with built-in motor | 5 | 2010 |