Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6835461 | Biaxially oriented polyester film, process for producing the same, and magnetic recording medium | Hikaru Yamagata, Masaaki Kotoura, Hirofumi Hosokawa | 2004-12-28 |
| 6783889 | Polyester film and magnetic recording medium using the same | Akira Kubota, Kenichi Eto, Yukari Nakamori | 2004-08-31 |