Number | Date | Country | Kind |
---|---|---|---|
1-225685 | Aug 1989 | JPX | |
1-229395 | Sep 1989 | JPX | |
1-229396 | Sep 1989 | JPX | |
2-039147 | Feb 1990 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3521294 | Treves | Jul 1970 | |
4932012 | Kobayashi | Jun 1990 | |
4955007 | Aratani et al. | Sep 1990 | |
5051970 | Ishii et al. | Sep 1991 |
Number | Date | Country |
---|---|---|
0258978 | Mar 1988 | EPX |
0291248 | Nov 1988 | EPX |
0318925 | Jun 1989 | EPX |
1-112505 | May 1989 | JPX |
Entry |
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"Dual-Film Disk Hikes Magneto-Optic Density", 8032 Electronics, 59 (1986) Jun., No. 25, pp. 24-25. |