Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6494560 | Ink jet printer and printing system using the same | Hikonosuke Uwai | 2002-12-17 |
| 6481824 | Ink jet recording apparatus and recording head cleaning control method thereon | Hitoshi Hayakawa, Hikonosuke Uwai | 2002-11-19 |