Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6648463 | Water base ink for ink-jet recording | Narumi Koga, Kazuma Goto, Naomichi Kobayashi, Michiko Aoyama, Masaya Fujioka | 2003-11-18 |
| 6523947 | Ink set for ink-jet recording | Narumi Koga, Kazuma Goto, Naomichi Kobayashi, Michiko Aoyama, Masaya Fujioka | 2003-02-25 |