| Number | Date | Country | Kind |
|---|---|---|---|
| 000796933 | Sep 2007 | EM | regional |
| Number | Name | Date | Kind |
|---|---|---|---|
| 2147431 | Ewing | Feb 1939 | A |
| 2192565 | Suekely | Mar 1940 | A |
| 4712810 | Pozzi | Dec 1987 | A |
| 5165731 | Kimuta | Nov 1992 | A |
| 5213375 | Wu | May 1993 | A |
| 6447019 | Hosono et al. | Sep 2002 | B1 |
| 7093862 | Muto | Aug 2006 | B2 |
| D529998 | Mutou | Oct 2006 | S |
| 7210708 | Muto | May 2007 | B2 |