Number | Date | Country | Kind |
---|---|---|---|
2-113380 | Apr 1990 | JPX | |
2-113382 | Apr 1990 | JPX | |
2-113383 | Apr 1990 | JPX | |
2-121481 | May 1990 | JPX | |
2-160735 | Jun 1990 | JPX | |
2-160736 | Jun 1990 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4499178 | Wada et al. | Feb 1985 | |
4670345 | Morimoto et al. | Jun 1987 | |
4984231 | Yasuaka et al. | Jan 1991 | |
5024910 | Ohta et al. | Jun 1991 | |
5034255 | Shigematsu et al. | Jul 1991 |
Number | Date | Country |
---|---|---|
60-34897 | Feb 1985 | JPX |
7-66566 | Jul 1995 | JPX |
Entry |
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Ohta et al., "Phase Change Disk having Rapid Cooling Structure", Jap. J.Appl. Phys. 28(3) pp. 123-128, 1989. |
Ohta et al., "Million Cycle Overwriteable Phase Change Optical Disk Media", Proc. SPIE 1078 pp. 27-34, 1989. |
Number | Date | Country | |
---|---|---|---|
Parent | 559166 | Jul 1990 |