Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5680285 | Magnetic disk having improved surface configuration and magnetic disk unit including same | Takao Nakamura, Nobuya Sekiyama, Yoshiki Kato | 1997-10-21 |
| 5623464 | Optical disk apparatus and seek control method | — | 1997-04-22 |