Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6600627 | Rotational driving apparatus for disk and manufacturing method therefor | — | 2003-07-29 |
| 6535346 | Dual head disk drive unit for differing recording densities | Hiroki Hirashima, Masahiro Matsunaga, Kazuhisa Taira | 2003-03-18 |