Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6670030 | Biaxially oriented laminate polyester film for magnetic recording medium | Toshikazu Uchida, Mitsuo Tojo, Akira Kameoka, Tomokatsu Ura, Masahiko Kosuge | 2003-12-30 |
| 6592966 | Biaxially orientated multi layer polyester film | Ieyasu Kobayashi | 2003-07-15 |
| 6503599 | Polyester film with specified surface roughness, Young's modulus and heat shrinkage for use as substrate for magnetic recording medium | Mitsuo Tojo | 2003-01-07 |