In
In
| Number | Date | Country | Kind |
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| 2007-014228 | May 2007 | JP | national |
| 2007-014239 | May 2007 | JP | national |
| 2007-014240 | May 2007 | JP | national |
| 2007-014241 | May 2007 | JP | national |
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| Number | Date | Country | |
|---|---|---|---|
| Parent | 29296666 | Oct 2007 | US |
| Child | 29326223 | US |