Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7608349 | Polyester film for recording medium and magnetic recording tape | Masaaki Ono, Masahiro Yagi | 2009-10-27 |
| 7060378 | Polyester film for magnetic recording media, magnetic recording tape and digital recorder | Masaaki Ono, Katsuya Okamoto | 2006-06-13 |
| 6936331 | Polyester film and recording tape | Masaaki Ono, Katsuya Okamoto | 2005-08-30 |