Number | Date | Country | Kind |
---|---|---|---|
2-275682 | Oct 1990 | JPX | |
2-287600 | Oct 1990 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4388401 | Hasebe et al. | Jun 1983 | |
4652515 | Ogawa et al. | Mar 1987 | |
4770982 | Ichijima et al. | Sep 1988 |
Number | Date | Country |
---|---|---|
0167168 | Aug 1986 | EPX |
0270351 | Jun 1988 | EPX |
0440195 | Aug 1991 | EPX |
0250433 | Oct 1987 | JPX |
0202744 | Aug 1988 | JPX |
0000546 | Jan 1989 | JPX |
64546 | Jan 1989 | JPX |
Entry |
---|
Research Disclosure, No. 188, Item 18813, p. 673, Dec. 1979. |