Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5681633 | Magneto optical disc, apparatus for reproducing the same and method of reproducing the same | Nobuaki Onagi, Takamasa Yoshikawa | 1997-10-28 |
| 5627803 | Magneto optical recording medium including a plurality of magnetic layers and a method for reducing thereof | — | 1997-05-06 |