Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6471344 | Ink supply device and ink filling method | Tomohiro Ishitsu, Yousuke Tatsumi | 2002-10-29 |
| 6460983 | Ink supply device and ink filling method | Tomohiro Ishitsu, Yousuke Tatsumi | 2002-10-08 |
| 6409322 | Ink supply apparatus and ink filling method | Tomohiro Ishitsu, Yousuke Tatsumi | 2002-06-25 |