Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4811137 | Disk cartridge shutter opening and closing mechanism | Mitsuo Takahashi, Koji Asako | 1989-03-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4811137 | Disk cartridge shutter opening and closing mechanism | Mitsuo Takahashi, Koji Asako | 1989-03-07 |