Number | Date | Country | Kind |
---|---|---|---|
62-221279 | Sep 1987 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3833919 | Naber | Sep 1974 | |
4621275 | Ueno et al. | Nov 1986 | |
4641169 | Inuiya | Feb 1987 | |
4912537 | Boyd | Mar 1990 |
Number | Date | Country |
---|---|---|
0014749 | Jan 1986 | JPX |
Entry |
---|
"A Half Inch Size . . . Silicon", Chikamura et al., Central Research Lab., 1984. |