| Number | Date | Country | Kind |
|---|---|---|---|
| D. 2006-008008 | Mar 2006 | JP | national |
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|---|---|---|---|
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| D312465 | Yaguchi et al. | Nov 1990 | S |
| D356582 | Weber | Mar 1995 | S |
| D363940 | Hinklin | Nov 1995 | S |
| D378755 | Kato et al. | Apr 1997 | S |
| D421266 | Hinklin | Feb 2000 | S |
| D422606 | Katoh et al. | Apr 2000 | S |
| D438546 | Katoh et al. | Mar 2001 | S |
| D501487 | Katoh et al. | Feb 2005 | S |