Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5357493 | Magneto-optic memory device for overwriting information on magneto-optic recording medium by using a pair of light spots without using an external magnetic field | Mieko Kobukata | 1994-10-18 |
| 5321673 | Partial ROM type optical disk and its recording and reproducing apparatus | — | 1994-06-14 |