Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5355270 | Magnetic recording medium having a reference track structure for improved optical tracking | Kazuya Fukunaga | 1994-10-11 |
| 5319507 | Recording/reproducing system using a flexible magnetic disk | Kazuya Fukunaga, Mikio Kishimoto, Norio Ohta | 1994-06-07 |