Number | Name | Date | Kind |
---|---|---|---|
D310615 | Kitai et al. | Sep 1990 | |
D311848 | Mikami et al. | Nov 1990 | |
D314687 | Kim | Feb 1991 | |
D325147 | Watanabe et al. | Apr 1992 | |
D330306 | Kim | Oct 1992 | |
D341515 | Hamada et al. | Nov 1993 | |
D341516 | Hamada et al. | Nov 1993 | |
D346303 | Kaneko | Apr 1994 | |
D351759 | Maruyama et al. | Oct 1994 |