Number | Name | Date | Kind |
---|---|---|---|
D298323 | Ariyoshi et al. | Nov 1988 | |
D306724 | Inoue et al. | Mar 1990 | |
D316855 | Saeki et al. | May 1991 | |
D335664 | Morita et al. | May 1993 | |
D336643 | Kitashima et al. | Jun 1993 | |
D342498 | Nakamura et al. | Dec 1993 | |
D342500 | Wada et al. | Dec 1993 |