Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6899479 | Printer and commodity information processing apparatus | Hiroyuki Koyama, Kouichi Yamada | 2005-05-31 |
| 6793424 | Cutter device having detachable blade and printer having the same | Kouichi Yamada, Hiroyuki Koyama | 2004-09-21 |