Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6770351 | Biaxially oriented polyester film and magnetic recording medium | Ieyasu Kobayashi | 2004-08-03 |
| 6713155 | Magnetic recording medium and base film for the same | Makoto Handa, Hirofumi Murooka | 2004-03-30 |