Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6688788 | Dot-matrix printer and printing method | Kenichiro Ogawa | 2004-02-10 |
| 6680784 | High speed printer with the ability to print at different print densities | Takashi Kato | 2004-01-20 |