Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6670030 | Biaxially oriented laminate polyester film for magnetic recording medium | Toshikazu Uchida, Toshifumi Osawa, Akira Kameoka, Tomokatsu Ura, Masahiko Kosuge | 2003-12-30 |
| 6503599 | Polyester film with specified surface roughness, Young's modulus and heat shrinkage for use as substrate for magnetic recording medium | Toshifumi Osawa | 2003-01-07 |