Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4858042 | Cassette insertion detecting mechanism | Yukio Ito, Kimichika Yamada | 1989-08-15 |
| 4855848 | Double insertion and inner lid float preventing mechanism | Kimichika Yamada, Yukio Ito | 1989-08-08 |
| 4831473 | Dust door mechanism in tape player | Kimichika Yamada, Yukio Ito | 1989-05-16 |