Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6773802 | Biaxially oriented laminated polyester film and magnetic recording medium | Shinji Muro, Hirofumi Murooka | 2004-08-10 |
| 6770351 | Biaxially oriented polyester film and magnetic recording medium | Toshifumi Osawa | 2004-08-03 |