Number | Date | Country | Kind |
---|---|---|---|
2-255829 | Sep 1990 | JPX | |
2-255831 | Sep 1990 | JPX | |
2-255832 | Sep 1990 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4954379 | Nishida et al. | Sep 1990 | |
5171618 | Suzuki | Dec 1992 | |
5206114 | Kobayashi | Apr 1993 | |
5234737 | Ueno et al. | Aug 1993 |
Entry |
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Ohta et al. SPIE vol. 1316, Optical Data Storage, p. 367 (1990). |
Young et al., Journal of Applied Physics, vol. 60, p. 4319 (Dec. 1986). |