Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882644 | Magnetic head supporting mechanism | Ippo Kimura, Naoyuki Okumura, Yoshio Arai | 1989-11-21 |
| 4825314 | Disc drive | Nobuyoshi Maekawa, Hideya Yokouchi, Tadashi Sugiyama | 1989-04-25 |