Number | Date | Country | Kind |
---|---|---|---|
62-236877 | Sep 1987 | JPX | |
63-221482 | Sep 1988 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4562117 | Kikukawa et al. | Dec 1985 | |
4784907 | Matsufuji et al. | Nov 1988 | |
4806417 | Saito et al. | Feb 1989 | |
4847156 | Nishikawa et al. | Jul 1989 | |
4860046 | Moriizumi et al. | Sep 1989 |
Entry |
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Kouichi Masaki, "Surface Modifications of Ferromagnetic Iron Oxide for Magnetic Recording," Scientific Publication of the Fuji Photo Film Co., Ltd., No. 33,20 (and English translation), published Oct. 13, 1987. |