Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6462916 | Magnetic disc apparatus | — | 2002-10-08 |
| 6426157 | Perpendicular magnetic recording medium | Shinzo Tsuboi, Katsumichi Tagami | 2002-07-30 |
| 6387483 | Perpendicular magnetic recording medium and manufacturing process therefor | Shinzo Tsuboi | 2002-05-14 |