| Number | Date | Country | Kind |
|---|---|---|---|
| 000942768-0001 | May 2008 | EM | regional |
| Number | Name | Date | Kind |
|---|---|---|---|
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| D307024 | Itoh et al. | Apr 1990 | S |
| D309739 | Itoh et al. | Aug 1990 | S |
| D321518 | Uchida | Nov 1991 | S |
| D321694 | Uchida | Nov 1991 | S |
| D338022 | Takada et al. | Aug 1993 | S |
| D392294 | Kato et al. | Mar 1998 | S |
| D450721 | Kawaguchi | Nov 2001 | S |
| D478337 | Kuroki | Aug 2003 | S |
| D478916 | Kuroki | Aug 2003 | S |
| D482702 | Kawaguchi | Nov 2003 | S |
| D553650 | Muto | Oct 2007 | S |
| D555176 | Ogawa | Nov 2007 | S |