How many patents does
Kumho Electric have?
patents
313
families
183
granted
73
applications
240
KR
181
US
54
WO
30
EP
17
CN
11
JP
4
RoW
16
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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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Kumho Electric
Top ten assignees appearing on patents
2009 - 2018
| kumho electric | 297 |
| kumho eletric company | 2 |
| kbitechnology company | 2 |
| suntel company | 1 |
2009
| kumho electric | 37 |
2018
| kumho electric | 1 |
Kumho Electric
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| led fluorescent lamp | 39 | 2008 |
| led fluorescent lamp | 13 | 2009 |
| field emission device | 9 | 2007 |
| led flourescent lamp | 7 | 2011 |
| oxynitride phosphor, method for preparing the same, and light-emitting device | 6 | 2008 |
| oled device having rear electrodes | 6 | 2009 |
| the electrode for hot cathode fluorescent lamp | 5 | 2007 |
| led fluorescent lamp | 4 | 2010 |
| phosphor and light-emitting device using the same | 4 | 2009 |
| filament for fluorescent lamp | 4 | 2008 |