Number | Date | Country | Kind |
---|---|---|---|
4-192804 | Jun 1992 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4866689 | Satokata | Sep 1989 | |
5015835 | Ohuchida et al. | May 1991 | |
5073888 | Takahashi et al. | Dec 1991 | |
5258970 | Kobayashi | Nov 1990 |
Number | Date | Country |
---|---|---|
0311340 | Apr 1989 | EPX |
0311463 | Apr 1989 | EPX |
0379363 | Jul 1990 | EPX |
0402123 | Dec 1990 | EPX |
0447265 | Sep 1991 | EPX |
0468800 | Jan 1992 | EPX |
0469580 | Feb 1992 | EPX |
0478163 | Apr 1992 | EPX |
0515219 | Nov 1992 | EPX |
0563484 | Oct 1993 | EPX |
3-73448 | Mar 1991 | JPX |
Entry |
---|
"Write Verify System for Field Modulation Optical Recording", Research Disclosure, No. 320, Dec. 1990, Havant GB, p. 963, XP000163362. |