Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6783201 | Ink jet printing appartus for identifying ejection error | — | 2004-08-31 |
| 6771378 | Information processing apparatus which obtains information concerning residual ink amount from an attached ink jet printer | Yuji Akiyama, Masashi Kamada, Toshiharu Inui, Kazuhiko Morimura | 2004-08-03 |