Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4881696 | Mechanism for preventing loosening of tape in a tape cartridge | Yoshimi Maehara | 1989-11-21 |
| 4875640 | Tape cartidge | — | 1989-10-24 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4881696 | Mechanism for preventing loosening of tape in a tape cartridge | Yoshimi Maehara | 1989-11-21 |
| 4875640 | Tape cartidge | — | 1989-10-24 |