Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4813797 | Dot printer | — | 1989-03-21 |
| 4562446 | Ink-dot printer with magnetic ink attracting and retention preventing means | Takeyoshi Tsuge, Yoshihiro Torisawa, Ayumu Makino | 1985-12-31 |