Number | Date | Country | Kind |
---|---|---|---|
63-64915 | May 1988 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4498162 | Schatteman | Feb 1985 | |
4509157 | Morinaga | Apr 1985 | |
4523306 | Staar | Jun 1985 | |
4641298 | Ikedo et al. | Feb 1987 | |
4674079 | Agostini | Jun 1987 | |
4677607 | Ejini | Jun 1987 | |
4697259 | Talcanashi | Sep 1987 | |
4701901 | Imai | Oct 1987 | |
4733387 | Yoshimura | Mar 1988 | |
4839880 | D'Alayer de Costenore D'Arc et al. | Jun 1989 | |
4882722 | Mutsuura et al. | Nov 1989 |