Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6468628 | Magnetic recording medium | Akimitsu Tsukuda, Nobuaki Ito | 2002-10-22 |
| 6358619 | Aromatic polyamide film and magnetic recording medium using it | Mitsuhiro Horiuchi, Akimitsu Tsukuda | 2002-03-19 |