Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6692849 | Magnetic recording medium comprising spindle-shaped ferromagnetic metal particles | Mikio Ohno, Toshichika Aoki | 2004-02-17 |
| 6686024 | Magnetic recording medium | Mikio Ohno, Naoto Murao, Toshichika Aoki | 2004-02-03 |