| Number | Name | Date | Kind |
|---|---|---|---|
| 3898601 | Meindl | Aug 1975 | A |
| 4352080 | Mitsui et al. | Sep 1982 | A |
| 4424504 | Mitsui et al. | Jan 1984 | A |
| D280810 | Mitsui | Oct 1985 | S |
| D288314 | Makinson et al. | Feb 1987 | S |
| D330541 | Burrow et al. | Oct 1992 | S |
| D384333 | Suzuki | Sep 1997 | S |
| D443585 | Shida et al. | Jun 2001 | S |
| D454839 | Hoglund | Mar 2002 | S |
| D463365 | Sakai et al. | Sep 2002 | S |
| 6696913 | Meuche et al. | Feb 2004 | B2 |
| D522455 | Nishimura | Jun 2006 | S |
| Number | Date | Country |
|---|---|---|
| A-2000-150269 | May 2000 | JP |