Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5355270 | Magnetic recording medium having a reference track structure for improved optical tracking | Nobuhiro Umebayashi | 1994-10-11 |
| 5319507 | Recording/reproducing system using a flexible magnetic disk | Nobuhiro Umebayashi, Mikio Kishimoto, Norio Ohta | 1994-06-07 |
| 5317467 | Data recording cartridge including a flexible magnetic recording medium | Yoshitake Kato, Akira Katami, Shinichiro Oda | 1994-05-31 |