Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6190753 | Biaxially oriented polyester film for magnetic recording media | Hideaki Watanabe | 2001-02-20 |
| 6068909 | Biaxially oriented laminate polyester film | Toshifumi Osawa, Teyasu Kobayashi | 2000-05-30 |
| 5919550 | Biaxially oriented laminate polyester film | Toshifumi Osawa, Ieyasu Kobayashi | 1999-07-06 |