Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5679474 | Overwritable optomagnetic recording method and medium having a layer with curie temperature which varies in the thickness direction | — | 1997-10-21 |
| 5648134 | Thermal recording medium capable of keeping width of mark train constant and recording method for the same | Hiroshi Yoshida | 1997-07-15 |
| 5629909 | Magneto-optical recording medium with initializing layer for initializing different regions in different directions | — | 1997-05-13 |