Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6762217 | Water-based ink | Shigemi Wakabayashi | 2004-07-13 |
| 6758559 | Water-based ink for ink-jet recording | Michitaka Sawada | 2004-07-06 |
| 6740690 | Water-based ink composition | Fumihide Shiga | 2004-05-25 |
| 6676736 | Water-based ink composition | Shigeki Nagashima | 2004-01-13 |