Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4590119 | Polyester film and magnetic recording medium therefrom | Ken Kawakami, Toshiya Yoshii, Masaru Suzuki | 1986-05-20 |
| 4246378 | Thermoplastic polyester resinous composition | Kiichi Kometani | 1981-01-20 |